Jana de Boniface
About me
I am a general surgeon trained in Berlin and Västerås, today specialising in oncoplastic breast surgery. The seat of my clinical activities is Capio St Göran's Hospital, one of the three large Breast Centers in Stockholm. Born in Giessen, Germany, I moved to Humboldt University in Berlin after school and studied medicine as well as violin (Universität der Künste) until receiving my graduations in 1996 and 1999. I did my doctoral thesis on viral hepatitis C and psychological side effects of Ribavirin and interferon treatment and later continued with a PhD thesis on sentinel node biopsy in breast cancer at Uppsala University.
Research
My research, through a position as senior researcher at Karolinska Institutet, is focussed on two main clinical areas: axillary surgery and oncoplastic breast surgery. In addition, we have recently started a randomized trial within exercise oncology.
Axillary surgery in breast cancer has undergone an enormous development since the 1990s. While we always performed an axillary clearance before that time, removing at least 10 lymph nodes from the armpit regardless of whether they were tumor-bearing or not, we today get more and more restrictive about the extent of axillary surgery. The reason for that if of course mainly the known risk of lymph edema, affecting about 20-25% of women after axillary clearance, and the fact that breast cancer is diagnosed earlier today, making is less likely that extensive axillary surgery contributes to any survival benefit at all.
In the 1990s, the sentinel node biopsy was introduced, identifying the first lymph node/s draining the breast and representing the remaining axillary nodes. It is established today that no axillary clearance needs to be performed in case of a negative sentinel node. There are, however, additional data questioning the benefit of further axillary surgery even in the event of a tumor deposit (metastasis) in the sentinel node. We therefore started a large randomised trial, the SENOMAC Trial, analysing the effect of the omission of axillary clearance in this situation, the first results have been presented in San Antonio in December 2023 and the publication on recurrence-free survival is in press.
The next step of reducing axillary treatment is the randomized T-REX trial testing to reduce radiotherapy to the armpit, and the AXSANA study assessing how much axillary surgery we need to perform after preoperative chemotherapy.
Oncoplastic surgery is the use of plastic surgical methods in order to make breast cancer surgery less mutilating, maintaining the same safety that conventional methods provide. While I actively promote the knowledge and use of oncoplastic techniques through training courses and certification processes, the issues of oncological safety and quality of life are the focus of my oncoplastic research. Thereby I try to support the safe use of volume displacement methods as well as reconstructive options, but I am also involved in analyses on the reasons for regional differences and the patient-reported outcomes after such surgery, especially in patients irradiated after implant-based reconstruction.
Teaching
Teaching oncoplastic breast surgery is a passion of mine as I believe that we can thereby provide tailored surgery to breast cancer patients. The complex assessment of tumor, stage, planned treatment, together with patient factors such as own desires and priorities, expectations, body shape and comorbidities are fascinating. To disseminate "oncoplastic thinking" and craftsmanship, I lead the annual national oncoplastic course in Sweden and have recently joined the Oncoplastic Breast Consortium.
Articles
- Journal article: BREAST. 2025;83:104557Kaidar-Person O; Pfob A; Valentini V; Aznar M; Dekker A; Meattini I; de Boniface J; Krug D; Cardoso MJ; Curigliano G; Dubsky P; Poortmans P
- Article: BREAST. 2025;83:104537Kaidar-Person O; Pfob A; Valentini V; Aznar M; Dekker A; Meattini I; de Boniface J; Krug D; Cardoso MJ; Curigliano G; Dubsky P; Poortmans P
- Article: EJSO. 2025;51(9):110253Hartmann S; Banys-Paluchowski M; Berger T; Ditsch N; Stickeler E; de Boniface J; Gentilini OD; Schroth J; Cakmak GK; Rubio IT; Gasparri ML; Kontos M; Bonci E-A; Niinikoski L; Murawa D; Kadayaprath G; Pinto D; Peintinger F; Schlichting E; Dostalek L; Nina H; Af HV; Vanhoeij M; Perhavec A; Zippel D; Rebaza LP; Thongvitokomarn S; Frohlich S; Ruf F; Rief A; Wihlfahrt K; Basali T; Thill M; Lux MP; Loibl S; Kolberg H-C; Blohmer J-U; Hahn M; Gurleyik MG; Porpiglia M; Gunay S; Zetterlund L; Kuehn T
- Article: EUROPEAN JOURNAL OF CANCER. 2025;226:115607Di Micco R; Hartmann S; Banys-Paluchowski M; de Boniface J; Schmidt E; Ditsch N; Stickeler E; Schroth J; Cakmak GK; Hahn M; Thill M; Lux MP; Kolberg H-C; Rubio IT; Gasparri ML; Kontos M; Bonci E-A; Niinikoski L; Murawa D; Pinto D; Peintinger F; Schlichting E; Nina H; Qanimat HV; Vanhoeij M; Rebaza L; Kadayaprath G; Porpiglia M; Gentilini OD; Kuehn T
- Journal article: BJS-BRITISH JOURNAL OF SURGERY. 2025;112:znaf149.040-xi11Sackey H; Oikonomou I; Liu Y; Ansarei D; Halle M; Johansson ALV; de Boniface J
- Journal article: BJS-BRITISH JOURNAL OF SURGERY. 2025;112:znaf149.023-xi7Liu Y; Rittri S; Johansson ALV; Nord AE; Sackey H; de Boniface J; Halle M
- Journal article: BJS-BRITISH JOURNAL OF SURGERY. 2025;112:znaf149.028-xi8de Boniface J; Szulkin R; Karlsson P; Johansson ALV
- Journal article: BJS-BRITISH JOURNAL OF SURGERY. 2025;112:znaf149.027Appelgren M; Sackey H; Lundholm C; Wengstrom Y; Hartmann S; Wihlfahrt K; Banys-Paluchowski M; Kuehn T; de Boniface J
- Article: RADIOTHERAPY AND ONCOLOGY. 2025;211:111055Putora PM; Henke G; Bese N; Boersma L; Coles CE; de Boniface J; Duane F; Gabrys D; Jagsi R; Kim K; Kirby AM; Marta GN; Meattini I; Mjaaland I; Montero A; Offersen BV; Ramiah D; Ratosa I; Strnad V; Zeidan YH; Poortmans P; Kaidar-Person O
- Journal article: JOURNAL OF CLINICAL ONCOLOGY. 2025;43(16_suppl)Banys-Paluchowski M; Ditsch N; Ryu JM; Cabioglu N; Karadeniz Cakmak G; Tvedskov TF; Murawa D; Alran S; Gentilini OD; Di Micco R; Harvey J; Masannat Y; Pankratjevaite L; Gasparri ML; de Boniface J; Karakatsanis A; Weber W; Krawczyk N; Hartmann S; Kühn T
- Journal article: JOURNAL OF CLINICAL ONCOLOGY. 2025;43(16_SUPPL):e12570McIntosh S; Dubsky PC; Avery K; de Boniface J; Dodwell D; Finestone S; Iwata H; Jiang M; Lee H-B; MacKenzie M; Meyn A; Poortmans P; Poulakaki F; Person O; Spillane AJ; Thompson AM; Werutsky G; Wright J; Zdenkowski N; Potter S
- Journal article: JOURNAL OF CLINICAL ONCOLOGY. 2025;43(16_SUPPL):503Banys-Paluchowski M; Hartmann S; Ditsch N; de Boniface J; Gentilini OD; Stickeler E; Cakmak GK; Hauptmann M; Thill M; Di Micco R; Hahn M; Murawa D; Rubio IT; Pinto D; Kontos M; Niinikoski L; Gasparri ML; Nina H; Rebaza LP; Kuehn T
- Journal article: SENOLOGIE - ZEITSCHRIFT FÜR MAMMADIAGNOSTIK UND -THERAPIE. 2025;22(02):e13-e14Hartmann S; Banys-Paluchowski M; Berger T; Ditsch N; Stickeler E; de Boniface J; Gentilini OD; Schroth J; Cakmak GK; Rubio IT; Gasparri ML; Kontos M; Bonci E-A; Niinikoski L; Murawa D; Kadayaprath G; Pinto D; Peintinger F; Schlichting E; Dostalek L; Qanimat HV; Nina H; Kothari A; Vanhoeij M; Perhavec A; Ivanov T; Zippel D; Rebaza LP; Thongvitokomarn S; Fröhlich S; Ruf F; Rief A; Schmidt E; Wihlfahrt K; Basali T; Thill M; Lux MP; Loibl S; Kolberg H-C; Blohmer J-U; Hahn M; Gurleyik MG; Porpiglia M; Gunay S; Holmstrand-Zetterlund L; Kühn T
- Journal article: SENOLOGIE - ZEITSCHRIFT FÜR MAMMADIAGNOSTIK UND -THERAPIE. 2025;22(02):e8-e9Fröhlich S; Hartmann S; Banys-Paluchowski M; de Boniface J; Ditsch N; Gentilini OD; Cakmak GK; Stickeler E; Thill M; Lux MP; Hauptmann M; Schroth J; Basali T; Berger T; Rief A; Ruf F; Schmidt EE; Bonci E-A; Di Micco R; Dostalek L; Gaspari ML; Ivanov T; Nina H; Kadayaprath G; Kontos M; Kothari A; Murawa D; Niinikoski L; Peintinger F; Perhavec A; Pinto D; Qanimat HV; Rebaza LP; Rubio I; Schlichting E; Shaari E; Thongvitokomarn S; Vanhoeij M; Zippel D; Hahn M; Graßhoff S-T; Watermann D; Schrauder MG; Thiemann E; Klein E; Kolberg H-C; Untch M; Blohmer J-U; Loibl S; Kühn T
- Journal article: SENOLOGIE - ZEITSCHRIFT FÜR MAMMADIAGNOSTIK UND -THERAPIE. 2025;22(02):e27-e28Schmidt E; Banys-Paluchowski M; Hartmann S; Ditsch N; Stickeler E; de Boniface J; Gentilini O; Hauptmann M; Cakmak GK; Rubio IT; Gasparri ML; Kontos M; Bonci E-A; Niinikoski L; Murawa D; Kadayaprath G; Pinto D; Peintinger F; Schlichting E; Dostálek L; Nina H; Qanimat HV; Kothari A; Vanhoeij M; Perhavec A; Ivanov T; Zippel D; Rebaza LP; Thongvitokomarn S; Fröhlich S; Berger T; Ruf F; Rief A; Wihlfahrt K; Basali T; Thill M; Lux MP; Loibl S; Kolberg H-C; Reimer T; Blohmer J-U; Hahn M; Graßhoff S-T; Watermann D; Schrauder M; Thiemann E; Paepke S; Seitz S; Kaltenecker G; Kühn T
- Article: JOURNAL OF ADVANCED NURSING. 2025;81(6):3156-3165Appelgren M; Wengstroem Y; de Boniface J; Sackey H
- Article: BJS-BRITISH JOURNAL OF SURGERY. 2025;112(6):znaf111Andersson Y; Bergkvist L; Ryden L; Celebioglu F; Falck A-K; Norenstedt S; Ruderfors Malterling R; Vikhe Patil E; Frisell J; de Boniface J
- Journal article: EJSO. 2025;51:109865Ahmed B; Aga QA-K; Cheung K-L; de Boniface J; Gnant M; Cardoso MJ; Rakha E; Elumalai T; Harbeck N; Kaidar-Person O; Agrawal A
- Article: BREAST CANCER RESEARCH AND TREATMENT. 2025;211(1):203-211Banys-Paluchowski M; Hartmann S; Basali T; Gasparri ML; de Boniface J; Gentilini OD; Cakmak GK; Ditsch N; Stickeler E; Schlichting E; Rubio I; Peintinger F; Untch M; Mau C; Federspiel FK; Bucher S; Ramaker K; Paluchowski P; Bauer L; Riemer S; Langanke D; Leuf TD; Schnabel J; von Abel E; Solbach C; Ovalle SC; Hilmer K; Bjelic-Radisic V; Stahl N; Sanchez-Mendez JI; Hagen V; Hansen MH; Krawczyk N; Sezen BA; Jursik K; Thill M; Kolberg H-C; Reimer T; Ruf F; Wihlfahrt K; Rief A; Berger T; Schmidt E; Tauber N; Froehlich S; Kuehn T
- Article: RADIATION ONCOLOGY JOURNAL. 2024;42(4):308-318Gasparri ML; Kaidar-Person O; Gentilini OD; de Boniface J; Kuehn T; Poortmans P
- Article: LANCET REGIONAL HEALTH-EUROPE. 2024;47:101083Tvedskov TF; Szulkin R; Alkner S; Andersson Y; Bergkvist L; Frisell J; Gentilini OD; Kontos M; Kuehn T; Lundstedt D; Offersen BV; Bagge RO; Reimer T; Sund M; Ryden L; Christiansen P; de Boniface J
- Journal article: EJSO. 2024;50:108921Fröhlich S; Hartmann S; Banys-Paluchowski M; de Boniface J; Gentilini OD; Stickeler E; Ditsch N; Cakmak GK; Thill M; Hahn M; Lux MP; Hauptmann M; Sezen BA; Rubio IT; Kontos M; Pinto D; Murawa D; Peintinger F; Gaspari ML; Kühn T; group A-S
- Article: JAMA SURGERY. 2024;159(12):1393-1403Skarping I; Bendahl P-O; Szulkin R; Alkner S; Andersson Y; Bergkvist L; Christiansen P; Filtenborg Tvedskov T; Frisell J; Gentilini OD; Kontos M; Kuehn T; Lundstedt D; Vrou Offersen B; Olofsson Bagge R; Reimer T; Sund M; Ryden L; de Boniface J
- Article: BJS OPEN. 2024;8(5):zrae095Liu Y; Johansson ALV; Oikonomou I; Frisell A; Adam HC; Ansarei D; Halle M; Sackey H; de Boniface J
- Article: LANCET ONCOLOGY. 2024;25(9):1222-1230de Boniface J; Appelgren M; Szulkin R; Alkner S; Andersson Y; Bergkvist L; Frisell J; Gentilini OD; Kontos M; Kuehn T; Lundstedt D; Offersen BV; Bagge RO; Ryden L; Reimer T; Sund M; Christiansen P; Tvedskov TF
- Article: BJS-BRITISH JOURNAL OF SURGERY. 2024;111(9):znae240Gümüscü R; Wärnberg F; de Boniface J; Sund M; Åhsberg K; Hansson E; Folkvaljon F; Unukovych D; Mani M
- Journal article: BJS-BRITISH JOURNAL OF SURGERY. 2024;111:znae175.023Liu Y; Johansson ALV; Oikonomou I; Frisell A; Adam HC; Ansarei D; Halle M; Sackey H; de Boniface J
- Journal article: BJS-BRITISH JOURNAL OF SURGERY. 2024;111:znae175.112Liu Y; Jakobsson S; Edsander-Nord A; Johansson ALV; Sackey H; de Boniface J; Halle M
- Article: RADIOTHERAPY AND ONCOLOGY. 2024;197:110372Alkner S; Wieslander E; Lundstedt D; Berg M; Kristensen I; Andersson Y; Bergkvist L; Frisell J; Bagge RO; Sund M; Christiansen P; Gentilini OD; Kontos M; Kuehn T; Reimer T; Ryden L; Tvedskov TF; Offersen BV; Nissen HD; de Boniface J
- Journal article: JOURNAL OF CLINICAL ONCOLOGY. 2024;42(16_suppl):579Banys-Paluchowski M; Basali T; Hartmann S; de Boniface J; Gentilini OD; Stickeler E; Mau C; Ruf F; Froehlich S; Gasparri ML; Thill M; Peintinger F; Karadeniz Cakmak G; Rubio IT; Langanke D; Cardenas Ovalle S; Riemer S; Rody A; Schlichting E; Kuehn T
- Journal article: SENOLOGIE - ZEITSCHRIFT FÜR MAMMADIAGNOSTIK UND -THERAPIE. 2024;21(02):e2-e3Banys-Paluchowski M; Basali T; Hartmann S; de Boniface J; Gentilini OD; Stickeler E; Untch M; Ruf F; Fröhlich S; Gasparri ML; Thill M; Lux MP; Peintinger F; Cakmak GK; Rubio IT; Kontos M; Di Micco R; Murawa D; Schlichting E; Sezen BA; Rody A; Langanke D; Mendez JIS; Bjelic-Radisic V; Solbach C; Ovalle SC; Mau C; Buchmann N; Riemer S; Hansen MH; Bauer L; Schnabel J; Von Abel E; Ditsch N; Kühn T
- Journal article: SENOLOGIE - ZEITSCHRIFT FÜR MAMMADIAGNOSTIK UND -THERAPIE. 2024;21(02):e27Rief A; Hartmann S; Banys-Paluchowski M; de Boniface J; Gentlini OD; Stickeler E; Cakmak GK; Hauptmann M; Basali T; Berger T; Fröhlich S; Ruf F; Schmidt E; Wihlfahrt K; Sezen BA; Porpiglia M; Zetterlund L; Natsiopoulos I; Sackey H; Hadar T; Weigel M; Dostalek L; Iosifidou R; Schrauder MG; Kaltenecker G; Langanke D; Zippel D; Kühn T
- Journal article: SENOLOGIE - ZEITSCHRIFT FÜR MAMMADIAGNOSTIK UND -THERAPIE. 2024;21(02):e9-e10Fröhlich S; Hartmann S; Banys-Paluchowski M; Ditsch N; Thill M; Hahn M; Lux MP; de Boniface J; Gentilini OD; Stickeler E; Hauptmann M; Basali T; Berger T; Rief A; Ruf F; Schmidt EE; Wihlfahrt K; Sezen BA; Bonci E-A; Di Micco R; Dostalek L; Gaspari ML; Helidon N; Ivanov T; Kadayaprath G; Cakmak GK; Kontos M; Kothari A; Murawa D; Niinikoski L; Peintinger F; Perhavec A; Pinto D; Qanimat HV; Rebaza LP; Rubio IT; Schlichting E; Shaari E; Thongvitokomarn S; Vanhoeij M; Zippel D; Watermann D; Schrauder MG; Graßhoff S-T; Kühn T
- Journal article: RADIOTHERAPY AND ONCOLOGY. 2024;194:s56-s57de Boniface J
- Article: THE LANCET REGIONAL HEALTH. AMERICAS. 2024;33:100734Cardoso MJ; de Boniface J; Dodwell D; Kaidar-Person O; Poortmans P; van Maaren MC
- Journal article: CANCER RESEARCH. 2024;84(9):po3-23-03-po3-23-03Banys-Paluchowski M; Hartmann S; de Boniface J; Gentilini OD; Basali T; Stickeler E; Untch M; Ruf F; Frohlich S; Thill M; Lux MP; Peintinger F; Cakmak GK; Rubio I; Kontos M; Di Micco R; Murawa D; Schlichting E; Sezen BA; Rody A; Langanke D; Bundgen N; Sanchez-Mendez JI; Buss-Steidle R; Mau C; Buchmann N; Riemer S; Hansen MH; Ditsch N; Kuhn T
- Journal article: CANCER RESEARCH. 2024;84(9):po1-19-03-po1-19-03Alkner S; de Boniface J; Lundstedt D; Mjaaland I; Ryden L; Vikstrom J; Bendahl P-O; Holmberg E; Sackey H; Wieslander E; Karlsson P
- Journal article: CANCER RESEARCH. 2024;84(9):po4-19-04-po4-19-04Kuhn T; Hartmann S; Stickeler E; de Boniface J; Gentilini OD; Frohlich S; Ruf F; Thill M; Hauptmann M; Cakmak GK; Rubio I; Gasparri ML; Kontos M; Bonci E-A; Niinikoski L; Sezen BA; Di Micco R; Murawa D; Kadayaprath G; Pinto D; Peintinger F; Appelgren M; Simons JM; Smidt M; Schlichting E; Dostalek L; Thiemann E; Hahn M; Schrauder M; Gunay S; Gurleyik G; Helidon N; Valiyeva H; Kothari A; Vanhoeij M; Perhavec A; Ivanov T; Zippel D; Rebaza L; Thongvitokomarn S; Loibl S; Banys-Paluchowski M
- Journal article: CANCER RESEARCH. 2024;84(9):po1-19-06-po1-19-06de Boniface J; Ringborg CH; Altena R; Wengstrom Y
- Journal article: CANCER RESEARCH. 2024;84(9):po5-19-02-po5-19-02Di Micco R; Banys-Paluchowski M; Cardoso M-J; de Boniface J; Gulluoglu BM; Kaidar-Person O; Kuhn T; Nava MB; Poortmans P; Potter S; Rotmensz N; Spanic T; Thill M; Travado L; Weber W; Gentilini OD
- Journal article: CANCER RESEARCH. 2024;84(9):po4-18-12-po4-18-12Banys-Paluchowski M; Kuhn T; Masannat Y; Ditsch N; Esgueva A; Cabioglu N; Murawa D; Canturk NZ; Rubio I; De Boniface J; Karakatsanis A; Dave R; Potter S; Kothari A; Gentilini OD; Weber W; Krawczyk N; Hartmann S; Cakmak GK; Hahn M; Lux MP; Tvedskov T; Pankratjevaite L; Kontos M; Peintinger F; Lowery A; Smidt M; Rebaza L; Vasconcelos M; Gulluoglu BM; Sezen BA; Di Micco R; Nietz S; Malherbe F; Gasparri ML; Alran S; Deo SVS; Khan MM; Harvey J
- Journal article: CANCER RESEARCH. 2024;84(9):po1-23-02-po1-23-02Kolberg H-C; Hartmann S; Banys-Paluchowski M; Stickeler E; de Boniface J; Gentilini OD; Frohlich S; Thill M; Lux MP; Cakmak GK; Rubio I; Kontos M; Di Micco R; Murawa D; Kuhn T
- Journal article: CANCER RESEARCH. 2024;84(9):gs02-06-gs02-06de Boniface J; Tvedskov T; Leif B; Frisell J; Andersson Y; Alkner S; Sund M; Bagge RO; Lundstedt D; Gentilini OD; Kontos M; Reimer T; Offersen B; Kuhn T; Ryden L; Christiansen P
- Article: BMJ OPEN. 2024;14(4):e084488Potter S; Avery K; Ahmed R; de Boniface J; Chatterjee S; Dodwell D; Dubsky P; Iwata H; Jiang M; Lee H-B; MacKenzie M; Poulakaki F; Richardson AL; Sepulveda K; Spillane A; Thompson AM; Werutsky G; Wright JL; Zdenkowski N; Cowan K; McIntosh S
- Article: NEW ENGLAND JOURNAL OF MEDICINE. 2024;390(13):1163-1175de Boniface J; Filtenborg Tvedskov T; Ryden L; Szulkin R; Reimer T; Kuehn T; Kontos M; Gentilini OD; Olofsson Bagge R; Sund M; Lundstedt D; Appelgren M; Ahlgren J; Norenstedt S; Celebioglu F; Sackey H; Scheel Andersen I; Hoyer U; Nyman PF; Vikhe Patil E; Wieslander E; Dahl Nissen H; Alkner S; Andersson Y; Offersen BV; Bergkvist L; Frisell J; Christiansen P
- Journal article: EJSO. 2024;50(2):107446Appelgren M; Wengström Y; de Boniface J; Sackey H
- Article: BJS OPEN. 2024;8(1):zrae003Gumuscu R; Unukovych D; Warnberg F; de Boniface J; Sund M; Ahsberg K; Hansson E; Folkvaljon F; Mani M
- Article: BREAST CANCER RESEARCH AND TREATMENT. 2023;202(3):497-504Hartmann S; Banys-Paluchowski M; Stickeler E; de Boniface J; Gentilini OD; Kontos M; Seitz S; Kaltenecker G; Waernberg F; Zetterlund LH; Kolberg H-C; Froehlich S; Kuehn T
- Article: BREAST CARE. 2023;18(6):428-439Banys-Paluchowski M; Hartmann S; Ditsch N; Krawczyk N; Kuehn T; de Boniface J; Banys-Kotomska J; Rody A; Krug D
- Article: ANNALS OF ONCOLOGY. 2023;34(11):970-986Curigliano G; Burstein HJ; Gnant M; Loibl S; Cameron D; Regan MM; Denkert C; Poortmans P; Weber WP; Thurlimann B
- Article: BMJ OPEN. 2023;13(9):e075543Alkner S; de Boniface J; Lundstedt D; Mjaaland I; Ryden L; Vikstrom J; Bendahl P-O; Holmberg E; Sackey H; Wieslander E; Karlsson P
- Journal article: JOURNAL OF CLINICAL ONCOLOGY. 2023;41(16_SUPPL):tps626Banys-Paluchowski M; Kuhn T; Masannat Y; Rubio IT; de Boniface J; Ditsch N; Karakatsanis A; Dave RV; Potter S; Kothari A; Gentilini OD; Weber WP; Krawczyk N; Hartmann S; Cakmak GK; Hahn M; Lux MP; Smidt M; Cabioglu N; Harvey J
- Article: ARCHIVES OF GYNECOLOGY AND OBSTETRICS. 2023;307(5):1547-1556Banys-Paluchowski M; Untch M; Krawczyk N; Thurmann M; Kuehn T; Sehouli J; Gasparri ML; de Boniface J; Gentilini OD; Stickeler E; Ditsch N; Rody A; Paluchowski P; Blohmer J-U
- Article: LAKARTIDNINGEN. 2023;120:22149Gahm J; de Boniface J; Frisell J
- Journal article: BREAST. 2023;68:s7-s8de Boniface J
- Article: BJS-BRITISH JOURNAL OF SURGERY. 2023;110(3):344-352de Boniface J; Szulkin R; Johansson ALV
- Article: JOURNAL OF PLASTIC RECONSTRUCTIVE AND AESTHETIC SURGERY. 2023;76:18-26Frisell A; Bergman O; Khan A; Gistera A; Fisher RM; Lagergren J; de Boniface J; Halle M
- Article: BJS-BRITISH JOURNAL OF SURGERY. 2022;109(11):1107-1115de Boniface J; Adam HC; Frisell A; Oikonomou I; Ansarei D; Konstantinidou AL; Liu Y; Alniaj BA; Wallmon P; Halle M; Johansson ALV; Sackey H
- Article: PLOS ONE. 2022;17(10):e0274804de Boniface J; Altena R; Ringborg CH; Bolam KA; Wengstrom Y
- Article: BJS-BRITISH JOURNAL OF SURGERY. 2022;109(10):977-983de Boniface J; Szulkin R; Johansson ALV
- Article: JAMA NETWORK OPEN. 2022;5(9):e2231583Gahm J; Konstantinidou AL; Lagergren J; Sandelin K; Glimaker M; Johansson H; Wickman M; de Boniface J; Frisell J
- Article: BJS-BRITISH JOURNAL OF SURGERY. 2022;109(9):857-863Gasparri ML; de Boniface J; Poortmans P; Gentilini OD; Kaidar-Person O; Banys-Paluchowski M; Di Micco R; Niinikoski L; Murawa D; Bonci EA; Pasca A; Rubio IT; Cakmak GK; Kontos M; Kuehn T
- Article: BREAST CANCER RESEARCH AND TREATMENT. 2022;193(3):589-595de Boniface J; Frisell J; Kuehn T; Wiklander-Brakenhielm I; Dembrower K; Nyman P; Zouzos A; Gerber B; Reimer T; Hartmann S
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- Review: EUROPEAN JOURNAL OF CANCER. 2023;181:79-91Schmidt MK; Kelly JE; Bredart A; Cameron DA; de Boniface J; Easton DF; Offersen BV; Poulakaki F; Rubio IT; Sardanelli F; Schmutzler R; Spanic T; Weigelt B; Rutgers EJT
- Review: CANCERS. 2023;15(4):1173Banys-Paluchowski M; Kuehn T; Masannat Y; Rubio I; de Boniface J; Ditsch N; Karadeniz Cakmak G; Karakatsanis A; Dave R; Hahn M; Potter S; Kothari A; Gentilini OD; Gulluoglu BM; Lux MP; Smidt M; Weber WP; Aktas Sezen B; Krawczyk N; Hartmann S; Di Micco R; Nietz S; Malherbe F; Cabioglu N; Canturk NZ; Gasparri ML; Murawa D; Harvey J
- Conference publication: ONCOLOGY RESEARCH AND TREATMENT. 2022;45(SUPPL 3):24-25Banys-Paluchowski M; Hartmann S; Stickeler E; De Boniface J; Gentilini O; Froehlich S; Thill M; Ruf F; Hauptmann M; Cakmak GK; Rubio IT; Gasparri ML; Kontos M; Bonci E-A; Niinikoski L; Di Micco R; Murawa D; Pinto D; Peintinger F; Dostalek L; Solbach C; Appelgren M; Blohmer J-U; Thiemann E; Weigel M; Kaltenecker G; Ramaker K; Schrauder MG; Kuehn T
- Conference publication: SENOLOGIE - ZEITSCHRIFT FÜR MAMMADIAGNOSTIK UND -THERAPIE. 2022;19(02):e15Fröhlich S; Hartmann S; Banys-Paluchowski M; Stickeler E; de Boniface J; Gentilini O; Ruf F; Thill M; Hauptmann M; Rief A; Berger T; Wihlfahrt K; Cakmak GK; Rubio I; Gaspari ML; Kontos M; Bonci E-A; Niinikoski L; Murawa D; Pinto D; Peintinger F; Schlichting E; Krivorotko P; Vasquez LR; Valiyeva H; Helidon N; Appelgren M; Hahn M; Thiemann E; Kaltenecker G; Kühn T
- Conference publication: GEBURTSHILFE UND FRAUENHEILKUNDE. 2022;82(6):S47-S48Rief A; Kuehn T; Peintinger F; Hartmann S; Stickeler E; de Boniface J; Gentilini O; Ruf F; Froehlich S; Thill M; Hauptmann M; Berger T; Wihlfahrt K; Cakmak KG; Rubio TI; Gasparri LM; Kontos M; Bonci E-A; Niinikoski L; Murawa D; Appelgren M; Hahn M; Pristauz-Telsnigg G; Czihak J; Banys-Paluchowski M
- Conference publication: ANNALS OF ONCOLOGY. 2022;33:S178-S179Ruf F; Kuehn T; Hartmann S; de Boniface J; Gentilini OD; Stickeler E; Cakmak GK; Rubio I; Niinikoski L; Kontos M; Murawa D; Bonci E-A; Hauptmann M; Thill M; Markus H; Lux MP; Appelgren M; Blohmer J-U; Untch M; Banys-Paluchowski M
- Conference publication: CANCER RESEARCH. 2022;82(4):p1-01-16-p1-01-16Gasparri ML; De Boniface J; Gentilini OD; Kaidar-Person O; Poortmans P; Kuehn T
- Conference publication: CANCER RESEARCH. 2022;82(4):ot1-04-04-ot1-04-04Kuhn T; Hartmann S; Stickeler E; de Boniface J; Gentilini O; Frohlich S; Ruf F; Thill M; Hauptmann M; Cakmak GK; Rubio I; Gasparri ML; Kontos M; Bonci E-A; Niinikoski L; Di Micco R; Murawa D; Pinto D; Peintinger F; Solbach C; Appelgren M; Blohmer J-U; Weigel M; Kaltenecker G; Schrauder M; Simons J; Smidt M; Schlichting E; Dostalek L; Emelyanov AS; Thiemann E; Gunay S; Loibl S; Banys-Paluchowski M
- Review: GEBURTSHILFE UND FRAUENHEILKUNDE. 2021;81(10):1121-1127Hartmann S; Stachs A; Kuehn T; de Boniface J; Banys-Paluchowski M; Reimer T
- Conference publication: RADIOTHERAPY AND ONCOLOGY. 2021;161:S42-S43Alkner S; Lundstedt D; Wieslander E; Berg M; Kristensen I; Ahlgren J; Offersen B; de Boniface J; Dahl Nissen H
- Conference publication: SENOLOGIE - ZEITSCHRIFT FÜR MAMMADIAGNOSTIK UND -THERAPIE. 2021;18(02):e2Banys-Paluchowski M; Hartmann S; Stickeler E; de Boniface J; Gentilini O; Fröhlich S; Thill M; Hauptmann M; Karadeniz CG; Rubio I; Gasparri M; Kontos M; Bonci E; Niinikoski L; Di Micco R; Murawa D; Pinto D; Peintinger F; Solbach C; Appelgren M; Blohmer J; Weigel M; Kaltenecker G; Schrauder; Kühn T
- Conference publication: BREAST. 2021;56:S69de Boniface J; Szulkin R; Johansson A
- Conference publication: BREAST. 2021;56:S71-S72Fitzal F; Bolliger M; Dunkler D; Gambone L; Heil J; Riedel F; de Boniface J; Andre C; Matrai Z; Pukancsik D; Paulinelli RR; Ostapenko V; Burneckis A; Ostapenko A; Ostapenko E; Meani F; Harder Y; Bonollo M; Alberti ASM; Tausch C; Papassotiropoulos B; Helfgott R; Heck D; Fehrer HJ; Acko M; Schrenk P; Montagna G; Trapp E; Pristauz G; Paliczek C; Blohmer JU; Steffen S; Romics L; Morrow E; Lorenz K; Fehr M; Ritter M; Weber WP
- Review: CANCERS. 2021;13(7):1565Banys-Paluchowski M; Gasparri ML; de Boniface J; Gentilini O; Stickeler E; Hartmann S; Thill M; Rubio IT; Di Micco R; Bonci E-A; Niinikoski L; Kontos M; Karadeniz Cakmak G; Hauptmann M; Peintinger F; Pinto D; Matrai Z; Murawa D; Kadayaprath G; Dostalek L; Nina H; Krivorotko P; Classe J-M; Schlichting E; Appelgren M; Paluchowski P; Solbach C; Blohmer J-U; Kuehn T
- Conference publication: CANCER RESEARCH. 2021;81(4)Weber WP; Kappos EA; Regan MM; Moffa G; Harder Y; Ribi K; Potter S; Pusic A; Fehr MK; Hemkens LG; Holzbach T; Farhadi J; Simonson C; Knauer M; Verstappen R; Bucher H; Zwahlen D; Zimmermann F; Schwenkglenks M; Mucklow R; Bjelic-Radisic V; Chiorescu A; Chun Y; Farah S; Chen X; Nigard L; Kummel S; Reitsamer R; Hauschild M; Fulco I; Tausch C; Fischer T; Sarlos D; Constantinescu M; Lupatsch JE; Fitzal F; Heil J; Matrai Z; de Boniface J; Kurzeder C; Haug M; Schulz A
- Conference publication: CANCER RESEARCH. 2021;81(4)Banys-Paluchowski M; Stickeler E; de Boniface J; Gentilini O; Thill M; Hartmann S; Mangold M; Solbach C; Blohmer J-U; Untch M; Appelgren M; Kolberg H-C; Kuhn T
- Conference publication: EUROPEAN JOURNAL OF CANCER. 2020;138:S36Andersson Y; Frisell J; Bergkvist L; de Boniface J
- Conference publication: EUROPEAN JOURNAL OF CANCER. 2020;138:S22Zetterlund L; Celebioglu F; Frisell J; de Boniface J
- Conference publication: EUROPEAN JOURNAL OF CANCER. 2020;138:S3Andersson Y; Bergkvist L; Frisell J; de Boniface J
- Conference publication: EUROPEAN JOURNAL OF CANCER. 2020;138:S3De Boniface J; Ahlgren J; Andersson Y; Bergkvist L; Frisell J; Lundstedt D; Bagge RO; Ryden L; Sund M
- Conference publication: EUROPEAN JOURNAL OF CANCER. 2020;138:S95Adam H; Skogh ACD; Frisell J; De Boniface J
- Conference publication: EUROPEAN JOURNAL OF CANCER. 2020;138:S28-S29Andre C; Holsti C; Svenner A; Oikonomou I; Sackey HI; Appelgren M; Johansson A; de Boniface J
- Conference publication: GEBURTSHILFE UND FRAUENHEILKUNDE. 2020;80(10):E93-E94Banys-Paluchowski M; Stickeler E; de Boniface J; Gentilini O; Thill M; Hartmann S; Fasching PA; Huebner H; Krawczyk N; Blohmer JU; Solbach C; Untch M; T K
- Conference publication: GEBURTSHILFE UND FRAUENHEILKUNDE. 2020;80(10):E112Hartmann S; Stachs A; Kuehn T; Winckelmann A; de Boniface J; Gerber B; Reimer T
- Review: LANCET ONCOLOGY. 2020;21(8):e375-e385Weber WP; Morrow M; de Boniface J; Pusic A; Montagna G; Kappos EA; Ritter M; Haug M; Kurzeder C; Saccilotto R; Schulz A; Benson J; Fitzal F; Matrai Z; Shaw J; Peeters M-JV; Potter S; Heil J
- Conference publication: GEBURTSHILFE UND FRAUENHEILKUNDE. 2020;80(06):E20-E21Banys-Paluchowski M; Stickeler E; de Boniface J; Gentilini O; Thill M; Hartmann S; Fasching PA; Huebner H; Krawczyk N; Blohmer J-U; Solbach C; Untch M; Kuehn T
- Conference publication: GEBURTSHILFE UND FRAUENHEILKUNDE. 2020;80(06):E36Hartmann S; Stachs A; Kuehn T; Winckelmann A; de Boniface J; Gerber B; Reimer T
- Conference publication: SENOLOGIE - ZEITSCHRIFT FÜR MAMMADIAGNOSTIK UND -THERAPIE. 2020;17(02):e2Banys-Paluchowski M; Stickeler E; de Boniface J; Gentilini O; Thill M; Hartmann S; Fasching P; Huebner H; Krawczyk N; Blohmer J-U; Solbach C; Untch M; Kühn T
- Conference publication: SENOLOGIE - ZEITSCHRIFT FÜR MAMMADIAGNOSTIK UND -THERAPIE. 2020;17(02):e17-e18Hartmann S; Stachs A; Kühn T; Winckelmann A; de Boniface J; Gerber B; Reimer T
- Conference publication: CANCER RESEARCH. 2020;80(4):ot3-01-01-ot3-01-01Hartmann S; Stachs A; Kuhn T; Winckelmann A; de Boniface J; Gerber B; Reimer T
- Review: CURRENT OPINION IN OBSTETRICS & GYNECOLOGY. 2020;32(1):91-99Ditsch N; Rubio IT; Gasparri ML; de Boniface J; Kuehn T
- Preprint: SSRN ELECTRONIC JOURNAL. 2020de Boniface J; Szulkin R; Johansson A
- Review: BREAST CANCER RESEARCH AND TREATMENT. 2018;172(3):523-537Weber WP; Haug M; Kurzeder C; Bjelic-Radisic V; Koller R; Reitsamer R; Fitzal F; Biazus J; Brenelli F; Urban C; Paulinelli RR; Blohmer J-U; Heil J; Hoffmann J; Matrai Z; Catanuto G; Galimberti V; Gentilini O; Barry M; Hadar T; Allweis TM; Olsha O; Cardoso MJ; Gouveia PF; Rubio IT; de Boniface J; Svensjo T; Bucher S; Dubsky P; Farhadi J; Fehr MK; Fulco I; Ganz-Blattler U; Guenthert A; Harder Y; Hauser N; Kappos EA; Knauer M; Landin J; Mechera R; Meani F; Montagna G; Ritter M; Saccilotto R; Schwab FD; Steffens D; Tausch C; Zeindler J; Soysal SD; Lohsiriwat V; Kovacs T; Tansley A; Wyld L; Romics L; El-Tamer M; Pusic AL; Sacchini V; Gnant M
- Review: BREAST CARE. 2018;13(5):337-341Kuehn T; Classe J-M; Gentilini OD; Tinterri C; Peintinger F; de Boniface J
- Review: BREAST CARE. 2018;13(5):331-336de Boniface J; Schmidt M; Engel J; Smidt ML; Offersen BV; Reimer T
- Published conference paper: BJS-BRITISH JOURNAL OF SURGERY. 2018;105(11):1435-1445Adam H; Skogh ACD; Nord AE; Schultz I; Gahm J; Hall P; Frisell J; Halle M; de Boniface J
- Conference publication: VIRCHOWS ARCHIV. 2018;473:S199Ronnlund C; Robertson S; de Boniface J; Hartman J
- Conference publication: EUROPEAN JOURNAL OF CANCER. 2018;92:S68Adam H; Skogh ACD; Nord AE; Schultz I; Gahm J; Hall P; Frisell J; Halle M; De Boniface J
- Conference publication: CANCER RESEARCH. 2018;78(4_Supplement):p4-13-14-p4-13-14Adam H; Docherty Skogh A-C; Edsander Nord Å; Schultz I; Gahm J; Hall P; Frisell J; Halle M; de Boniface J
- Conference publication: CANCER RESEARCH. 2018;78(4)Adam H; Skogh A-CD; Nord AE; Schultz I; Gahm J; Hall P; Frisell J; Halle M; de Boniface J
- Book chapter: BREAST CANCER MANAGEMENT FOR SURGEONS. 2018;p. 355-364de Boniface J; Schultz I
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Grants
- Swedish Cancer Society1 January 2023The sentinel node, or the gatekeeper, is the first lymph node in the armpit to receive lymph from the breast, and thus also the first place where tumor cells are found if spread via lymphatics occurs in breast cancer. If the sentinel node is healthy, it is not necessary today to remove several lymph nodes from the armpit (axillary evacuation). Since axillary dissection entails a considerable risk of problems with the arm, in recent years people have begun to refrain from axillary dissection even when there is limited tumor spread to the sentinel node. However, whether this is safe has not yet been proven. The current SENOMAC study tests whether axillary evacuation needs to be done in patients with breast cancer who have tumor spread to 1-2 gatekeeper glands. The study is randomized, which means that after their sentinel node biopsy, patients are randomized to either undergo axillary dissection or to refrain from it. The study has included 2768 patients from 5 European countries in 2015-2021. Via questionnaires, the participants tell us about their quality of life and arm function. The study wants to show that you can reduce surgery in the armpit and thus reduce the occurrence of problems with the arm without worsening the prognosis. Inclusion in the study is now closed and follow-up is ongoing. With the SENOMAC study, I want to show that axillary evacuation does not need to be done in case of limited tumor spread of breast cancer to the sentinel node. Indirectly, this means that it is not the surgery itself, but rather other additional treatments, which protect against recurrence. I want to bring about a change in guidelines where surgery in the armpit is only as extensive as needed but not unnecessarily large. This needs to apply to all groups of patients, not just the sample of individuals who have participated in previous studies. With this, I want to achieve that the quality of life and arm function is improved for a large number of women.
- Swedish Research Council1 January 2022 - 31 December 2025The role of completion axillary lymph node dissection (ALND) in sentinel node (SN)-positive breast cancer is questioned since key randomized trials showed no survival differences comparing completion ALND and SN biopsy alone. These trials however were significantly underpowered, and in addition, patients undergoing mastectomy or those with larger tumors were not included. Thus, there is a need for additional prospective data validating previous results with sufficient statistical power to detect even smaller survival differences, and including the crucial subgroup of mastectomy patients. The SENOMAC trial was initiated in 2015 as an international randomized phase 3 clinical trial including patients with clinically node-negative T1-T3 breast cancer and up to two SN macrometastases. Patients are randomized 1:1 to undergo completion ALND or not, and both breast-conserving surgery and mastectomy are eligible interventions. The non-inferiority endpoint is overall survival at 5 years with a non-inferiority margin of 2.5% (94% versus 91.5%), targeting an overall accrual of 3000 patients. Secondary endpoints such as arm morbidity and health-related quality of life are measured by patient-reported outcomes (PROs) at 1, 3 and 5 years. The SENOMAC Trial has to date including 2395 patients, 34% of whom operated by mastectomy, from 5 European countries. Enrolment will be closed at the end of 2021, and the first report on the primary endpoint is expected in 2024.
- Swedish Research Council1 December 2021 - 30 November 2025Neoadjuvant chemotherapy (NACT) is increasingly used in breast cancer. The best proof of NACT efficacy is pathological complete response (pCR), i.e. the absence of invasive tumour on post-NACT surgical histopathology. While it is known that physical exercise can help patients to better tolerate and complete often harsh cancer treatments, it is an emerging area of research to understand if and how exercise exerts anti-tumour effects and improves oncological outcomes. The main aim of the Neo-ACT trial is to examine if a physical exercise intervention during NACT can increase pCR rates in breast cancer. Secondary aims are patient-related outcomes (health-related quality of life, physical activity), physiological outcomes (muscle strength, cardiorespiratory fitness), cancer treatment-related toxicities (cognitive dysfunction, chemotherapy completion rates) and long-term sick leave. Furthermore, the trial will explore how physical exercise affects anti-tumoral mechanisms inherent to therapy or host by hypothesis-generating translational analyses.712 patients with primary invasive breast cancer will be randomized to either a supervised intervention of high-intensity interval and resistance training during NACT, supported by an exercise app, or to usual care, and followed for two years. Physical activity is meticulously tracked. By offering patients active involvement, the trial contributes strongly to the concept of personalized medicine.
- Swedish Cancer Society1 January 2020The sentinel node, or gatekeeper, is the first lymph node in the armpit to receive lymph from the breast, and thus also the first place where tumor cells gather if spread with the lymph flow occurs in breast cancer. If the sentinel node is healthy, it is not necessary today to remove several lymph nodes from the armpit (axillary evacuation). Since axillary evacuation entails a considerable risk of subsequent problems with the arm, it has in recent years begun to investigate whether it is possible to refrain from axillary evacuation even when there is microscopic tumor spread to the sentinel node. So far, the results are promising, but the data is still too small to be implemented on a broad front. The current study, dubbed SENOMAC, raises the question of whether axillary evacuation needs to be performed in patients with breast cancer who have microscopic tumor spread to the concierge. In order to obtain a scientifically high-quality answer, the study is carried out with randomization, which means that patients after their sentinel node biopsy are randomized to either undergo axillary evacuation or also refrain from it. The study is ongoing at many hospitals in 6 different European countries. The aim is to show that it is possible to limit the scope of surgery in the armpit, and thereby reduce the incidence of problems with the arm, without worsening the prognosis. With the SENOMAC study, I want to show that axillary evacuation does not need to be done by microscopic tumor spread of breast cancer to the gatekeeper (sentinel node). Indirectly, this means that it is not the surgery itself, but rather other additional treatments, that protect against relapse. I want to bring about a change in national and international guidelines where surgery in the armpit is only as extensive as needed but not unnecessarily large. This needs to apply to all groups of patients, not just the sample of individuals who have participated in previous studies. With this, I want the quality of life and arm function to be improved for a large number of women.
- Swiss National Science Foundation1 August 2019 - 31 July 2025
- Survival and axillary recurrence following sentinel node-positive breast cancer without completion axillary lymph node dissection – the randomized controlled SENOMAC trial.Swedish Cancer Society1 January 2019The sentinel node, or gatekeeper, is the first lymph node in the armpit to receive lymph from the breast, and thus also the first place where tumor cells gather if spread with the lymph flow occurs in breast cancer. If the sentinel node is healthy, it is not necessary today to remove several lymph nodes from the armpit (axillary evacuation). Since axillary evacuation entails a considerable risk of subsequent problems with the arm, it has in recent years begun to investigate whether it is possible to refrain from axillary evacuation even when there is microscopic tumor spread to the sentinel node. So far, the results are promising, but the data is still too small to be implemented on a broad front. The current study, dubbed SENOMAC, raises the question of whether axillary evacuation needs to be performed in patients with breast cancer who have microscopic tumor spread to the concierge. In order to obtain a scientifically high-quality answer, the study is carried out with randomization, which means that patients after their sentinel node biopsy are randomized to either undergo axillary evacuation or also refrain from it. The study is ongoing at many hospitals in 6 different European countries. The aim is to show that it is possible to limit the scope of surgery in the armpit, and thereby reduce the incidence of problems with the arm, without worsening the prognosis. With the SENOMAC study, I want to show that axillary evacuation does not need to be done by microscopic tumor spread of breast cancer to the gatekeeper (sentinel node). Indirectly, this means that it is not the surgery itself, but rather other additional treatments, that protect against relapse. I want to bring about a change in national and international guidelines where surgery in the armpit is only as extensive as needed but not unnecessarily large. This needs to apply to all groups of patients, not just the sample of individuals who have participated in previous studies. With this, I want the quality of life and arm function to be improved for a large number of women.
- Do you need to evacuate several lymph nodes from the armpit at early breast cancer with microscopic spread to sentinel node (the porter gland)?Swedish Cancer Society1 January 2017Sentinel node, or the concierge, is the first lymph node in the armpit that receives lymph from the breast, and thus also the first site where tumor cells accumulate if proliferation with the lymph flow occurs in breast cancer. If sentinel node is healthy, one does not need to remove several lymph nodes from the armpit (axillary space). Since axillary spasm causes a considerable risk of subsequent arthroplasty, the last few years have begun to investigate whether axillary space can be dispensed with even when there is microscopic tumor spread to the sentinel node. So far, the results are promising, but the data is still too small to be implemented on a broad front. The current study, which has been named SENOMAC, raises the question of the need for axillary evacuation in patients with breast cancer who have microscopic tumor spread to the concierge. In order to obtain a scientifically high-quality response, the study is carried out with randomization, which means that patients after their sentinel node biopsy are randomized to either undergo axillary clearance or also abstain from it. The study is ongoing at many hospitals both in Sweden and in Denmark. The goal is to show that one can limit the extent of the surgery in the armpit, and thus reduce the incidence of the arm, without impairing the prognosis. With the SENOMAC study, we want to show that axillary clearance does not need to be done in microscopic tumor proliferation of the breast cancer to the sentinel node. Indirectly, this means that it is not the surgery itself, but rather the usual additional treatments that protect against relapse. We want to make sure that surgery in the armpit is just as extensive as is needed but not unnecessarily large, and that the quality of life and the arm function are thereby improved for a large number of women every year.
- Do you need to evacuate several lymph nodes from the armpit at early breast cancer with microscopic spread to sentinel node (the porter gland)?Swedish Cancer Society1 January 2016Sentinel node, or the concierge, is the first lymph node in the armpit that receives lymph from the breast, and thus also the first site where tumor cells accumulate if proliferation with the lymph flow occurs in breast cancer. If sentinel node is healthy, one does not need to remove several lymph nodes from the armpit (axillary space). Since axillary spasm causes a considerable risk of subsequent arthroplasty, the last few years have begun to investigate whether axillary space can be dispensed with even when there is microscopic tumor spread to the sentinel node. So far, the results are promising, but the data is still too small to be implemented on a broad front. The current study, which has been named SENOMAC, raises the question of the need for axillary evacuation in patients with breast cancer who have microscopic tumor spread to the concierge. In order to obtain a scientifically high-quality response, the study is carried out with randomization, which means that patients after their sentinel node biopsy are randomized to either undergo axillary clearance or also abstain from it. The study is ongoing at many hospitals both in Sweden and in Denmark. The goal is to show that one can limit the extent of the surgery in the armpit, and thus reduce the incidence of the arm, without impairing the prognosis. With the SENOMAC study, we want to show that axillary clearance does not need to be done in microscopic tumor proliferation of the breast cancer to the sentinel node. Indirectly, this means that it is not the surgery itself, but rather the usual additional treatments that protect against relapse. We want to make sure that surgery in the armpit is just as extensive as is needed but not unnecessarily large, and that the quality of life and the arm function are thereby improved for a large number of women every year.
- Do you need to evacuate several lymph nodes from the armpit at early breast cancer with microscopic spread to sentinel node (the porter gland)?Swedish Cancer Society1 January 2015Sentinel node, or the concierge, is the first lymph node in the armpit that receives lymph from the breast, and thus also the first site where tumor cells accumulate if proliferation with the lymph flow occurs in breast cancer. If sentinel node is healthy, one does not need to remove several lymph nodes from the armpit (axillary space). Since axillary spasm causes a considerable risk of subsequent arthroplasty, the last few years have begun to investigate whether axillary space can be dispensed with even when there is microscopic tumor spread to the sentinel node. So far, the results are promising, but the data is still too small to be implemented on a broad front. The current study, which has been named SENOMAC, raises the question of the need for axillary evacuation in patients with breast cancer who have microscopic tumor spread to the concierge. In order to obtain a scientifically high-quality response, the study is carried out with randomization, which means that patients after their sentinel node biopsy are randomized to either undergo axillary clearance or also abstain from it. The study is ongoing at many hospitals both in Sweden and in Denmark. The goal is to show that one can limit the extent of the surgery in the armpit, and thus reduce the incidence of the arm, without impairing the prognosis. With the SENOMAC study, we want to show that axillary clearance does not need to be done in microscopic tumor proliferation of the breast cancer to the sentinel node. Indirectly, this means that it is not the surgery itself, but rather the usual additional treatments that protect against relapse. We want to make sure that surgery in the armpit is just as extensive as is needed but not unnecessarily large, and that the quality of life and the arm function are thereby improved for a large number of women every year.
- Swedish Research Council1 January 2015 - 31 December 2017
Employments
- Adjunct Professor, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 2024-2028
Degrees and Education
- Docent, Karolinska Institutet, 2014
Distinction and awards
- Jeanne Petrek Memorial Lecturer 2025, Memorial Sloan Kettering Cancer Center, 2025
- Annual Award, Swedish Breast Cancer Association, 2024
- Jubilee Award 2024, Swedish Medical Association, 2024