Tomas Wester
Professor/Senior Physician
E-mail: tomas.wester@ki.se
Telephone: +46852483275
Visiting address: Tomtebodavägen 18A, 8tr, 17177 Stockholm
Postal address: K6 Kvinnors och barns hälsa, K6 Barnonkologi och Barnkirurgi Wester, 171 77 Stockholm
Research
- Our research group is involved in research projects on malformations and surgical disorders of the gastrointestinal tract in children, such as anorectal malformations, Hirschsprung disease, necrotizing enterocolitis and acute appendicitis. We focus on the short- and long-term outcome studies of the surgical treatment. These studies are important to inform parents about what to expect when their child gets older. We are also involved in register studies and interventional studies.
Articles
- Journal article: BJS-BRITISH JOURNAL OF SURGERY. 2026;113:znag093.119Axelsson G; Soderstrom L; Danielsson J; Dellenmark M; Brautigam M; Borg H; Stenstrom P; Lof A; Wester T
- Article: WORLD JOURNAL OF PEDIATRICS. 2026;:1-9Reismann M; Kiss N; Markel M; Hauptmann K; Svensson JF; Wester T; Warmann SW
- Article: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2026;83(1):185-207Rossi D; Irvine W; Granstrom AL; Mutanen A; Bakx R; Bjornland K; Cavalieri D; Czauderna P; Dariel A; Ellebaek M; Leon FF; Fusaro F; Gloudemans D-J; Jank M; Kvist PK; Lacher M; Lemli A; Matthyssens L; Montalva L; Palazon P; Prato AP; Pos L; Rassouli-Kirchmeier R; Reinshagen K; Schukfeh N; Sfeir R; Spivack O; Stenstrom P; Telborn L; Toxopeus E; Vilanova A; Wilms M; Wijnen R; Sloots CEJ; Pakarinen M; Wester T
- Journal article: JOURNAL OF PEDIATRIC SURGERY OPEN. 2026;15:100287Soderstrom L; Granstrom AL; Wester T
- Article: ANNALS OF SURGERY. 2026Tamimi S; de la Croix H; Muszta A; Granström AL; Löfgren J; Wester T; Melkemichel M
- Article: JOURNAL OF PEDIATRIC SURGERY. 2026;61(6):162848van Heurn LJ; Derikx JPM; Hall NJ; AbouZeid AA; de Campos Vieira Abib S; Chirdan LB; Fumino S; Kim SC; Muensterer O; Olivos M; StPeter SD; Twisk J; Vinit N; Yang T; Zani A; Ernst van Heurn LW; SCT-study consortium
- Article: ANNALS OF SURGERY. 2026;283(6):1112-1119Soderstrom L; Axelsson G; Mutanen A; Stenstrom P; Danielsson J; Borg H; Telle Hoel A; Olsbo S; Pakarinen M; Qvist N; Bjornland K; Wester T; Lof Granstrom A
- Article: BJS OPEN. 2025;10(1):zraf155Af Petersens M; Stenstrom P; Borg H; Danielson J; Ortqvist L; Gunnarsdottir A; Oddsberg J; Gustafson E; Graneli C; Hagelsteen K; Tofft L; Wester T
- Article: PEDIATRIC SURGERY INTERNATIONAL. 2025;42(1):52Gertler J; Gunnarsdottir A; Oddsberg J; Svenningsson A; Ortqvist L; Granstrom AL; Wester T
- Article: PEDIATRIC SURGERY INTERNATIONAL. 2025;41(1):309Soderstrom L; Graneli C; Hagelsteen K; Gunnarsdottir A; Oddsberg J; Svensson P-J; Borg H; Brautigam M; Gustafson E; Lof Granstrom A; Stenstrom P; Wester T
- Article: BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY. 2025;132(11):1673-1680Davidson JR; Mutanen A; Granstrom AL; Hoel AT; Loukogeorgakis SP; De Coppi P; Bjornland K; Wester T; Eaton S; Pakarinen MP; Curry J
- Article: EUROPEAN JOURNAL OF PEDIATRIC SURGERY. 2025;35(05):382-389Gnatzy R; Lacher M; Berger M; Boettcher M; Deffaa OJ; Kuebler J; Madadi-Sanjani O; Martynov I; Mayer S; Pakarinen MP; Wagner R; Wester T; Zani A; Aubert O
- Article: PEDIATRIC SURGERY INTERNATIONAL. 2025;41(1):303Fogelstrom A; Skoglund C; Hagel E; Wester T; Granstrom AL; Mesas-Burgos C
- Journal article: BJS-BRITISH JOURNAL OF SURGERY. 2025;112:znaf149.018-xi5Axelsson G; Gunnarsdottir A; Wester T; Granstrom AL
- Journal article: BJS-BRITISH JOURNAL OF SURGERY. 2025;112:znaf149.015-xi5Petersens MA; Ortqvist L; Holmdahl G; Anderberg M; Reinfeldt G; Sjostrom S; Barker G; Wester T
- Article: PEDIATRIC SURGERY INTERNATIONAL. 2025;41(1):232Axelsson G; Gunnarsdottir A; Wester T; Lof Granstrom A
- Article: JOURNAL OF PEDIATRIC SURGERY. 2025;60(6):162314Burgos CM; Gatzinsky V; Nord P; Gustafson E; Stenstrom P; Winberg H; Nilsson M; Broman LM; Rosen E; Wester T
- Article: ACTA PAEDIATRICA. 2025;114(6):1464-1477Rossi D; Granstrom AL; Pakarinen M; Bjornland K; de Blaauw I; Ellebaek M; Leon FF; Gloudemans D-J; Prato AP; Rolle U; Schwarzer N; Tabbers M; Vilanova A; Wijnen R; Sloots CEJ; Wester T; EPSA ERGCA
- Article: FRONTIERS IN HEALTH SERVICES. 2025;5:1609018Spivack OKC; Irvine WFE; Husby S; Wester T; Wijnen RMH
- Article: LANCET. 2025;405(10474):233-240St Peter SD; Noel-MacDonnell JR; Hall NJ; Eaton S; Suominen JS; Wester T; Svensson JF; Almstrom M; Muenks EP; Beaudin M; Piche N; Brindle M; MacRobie A; Keijzer R; Lilja HE; Kassa A-M; Jancelewicz T; Butter A; Davidson J; Skarsgard E; Te-Lu Y; Nah S; Willan AR; Pierro A
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All other publications
- Preprint: RESEARCH SQUARE. 2025Gertler JN; Gunnarsdóttir A; Oddsberg J; Svenningsson A; Örtqvist L; Granström AL; Wester T
- Review: BJS OPEN. 2025;9(6):zraf107de Andres Crespo M; Bystrom C; Tyraskis A; Mutanen A; Stenstrom P; Hartman E; Danielsson J; Eaton S; De Coppi P; Lof Granstrom A; Wester T; Pakarinen M; Curry J; Loukogeorgakis S; Davidson J
- Review: JOURNAL OF PEDIATRIC SURGERY. 2025;60(9):162418Hoel AT; Olsboe S; Davidson JR; Mutanen A; Granstrom AL; Wong CWY; Beltman L; Wong KKY; Chung PHY; Tam PKH; van Heurn E; De Coppi P; Wester T; Pakarinen M; Bjornland K
- Meeting abstract: BJS-BRITISH JOURNAL OF SURGERY. 2024;111:znae175.041Persson S; Reilly C; Burgos CM; Lilja HE; OEst E; Granstroem AL; Wester T; Fourtaka A; Rietman AB; Wallace V; Quitmann JH; Witt S; Slater G; Brendel J; Dingemann J; Dellenmark-Blom M
- Meeting abstract: BJS-BRITISH JOURNAL OF SURGERY. 2024;111:znae175.050Petersens MA; Stenstrom P; Borg H; Danielson J; Gunnarsdottir A; Oddsberg J; Gustafson E; Graneli C; Hagelsteen K; Tofft L; Wester T
- Preprint: RESEARCH SQUARE. 2024Gertler J; Granström AL; Oddsberg J; Gunnarsdóttir A; Svenningsson A; Wester T; Örtqvist L
- Book chapter: 50 LANDMARK PAPERS EVERY PEDIATRIC SURGEON SHOULD KNOW. 2023;p. 128-130Svensson J; Patkova B; Almström M; Naji H; Hall N; Eaton S; Pierro A; Wester T
- Letter: JAMA SURGERY. 2023;158(10):1105-1106Patkova B; Svenningsson A; Almstroem M; Svensson JF; Eriksson S; Wester T; Eaton S
- Letter: BJS-BRITISH JOURNAL OF SURGERY. 2023;110(10):1397-1399Markel M; Lacher M; Hall NJ; Martynov I; Hinojosa AS; Asensio JCDA; Fortmann C; Hukkinen M; Mutanen A; Ford K; Glenisson M; Bonnard A; Dimitrios G; Zavras N; Malowiecka M; Patkowski D; Zambaiti E; Pelizzo G; Salo M; Wester T; Hoel AT; Bjornland K; Arni D; Wildhaber BE; Karagoz A; Tekant GT; Barroso C; Correia-Pinto J; Gorter R; van Heurn E; Reusens H; Steyaert H; Dagilyte R; Strumila A; Arneitz C; Till H; Dotlaci V; Rygl M; Jukic M; Pogorelic Z; Enache T; Balanescu L; Cascio S; Zani A; Pio L
- Review: EUROPEAN JOURNAL OF PEDIATRIC SURGERY. 2023;33(01):2-10Chen Y; Zhao J; Alganabi M; Mesas-Burgos C; Eaton S; Wester T; Pierro A
- Review: PEDIATRIC SURGERY INTERNATIONAL. 2022;39(1):11Jumah S; Wester T
- Editorial: BJS-BRITISH JOURNAL OF SURGERY. 2022;109(11):1044-1048Van Amstel P; El Ghazzaoui A; Hall NJ; Wester T; Morini F; Van der Lee JH; Singer G; Pierro A; Zani A; Gorter RR
- Review: PEDIATRIC SURGERY INTERNATIONAL. 2022;38(8):1099-1104Wekell P; Wester T
- Editorial: JOURNAL OF PEDIATRIC SURGERY. 2022;57(8):1486Wester T
- Review: EUROPEAN JOURNAL OF PEDIATRIC SURGERY. 2022;32(03):219-232Morini F; Dreuning KMA; Lok MJHJ; Wester T; Derikx JPM; Friedmacher F; Miyake H; Zhu H; Pio L; Lacher M; Sgro S; Zani A; Eaton S; van Heurn LWE; Pierro A
- Study protocol: PEDIATRIC SURGERY INTERNATIONAL. 2022;38(5):679-694Ganji N; Li B; Ahmad I; Daneman A; Deshpande P; Dhar V; Eaton S; Faingold R; Gauda EB; Hall N; El Helou S; Kabeer MH; Kim JH; King A; Livingston MH; Ng E; Offringa M; Palleri E; Walton M; Wesson DE; Wester T; Wijnen RMH; Willan A; Yankanah R; Zozaya C; Shah PS; Pierro A
- Letter: ANNALS OF SURGERY. 2021;274(6):e816-e817Patkova B; Svenningsson A; Almstrom M; Eaton S; Wester T; Svensson JF
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Grants
- Swedish Research Council1 January 2017 - 31 December 2019
- Swedish Research Council1 January 2014 - 31 December 2016
Employments
- Professor/Senior Physician, Paediatric Surgery, Department of Women's and Children's Health, Karolinska Institutet, 2022-
- Adjunct Professor, Department of Women's and Children's Health, Karolinska Institutet, 2015-2022
Degrees and Education
- Docent, Karolinska Institutet, 2009
Supervision
Supervision to doctoral degree
- Salim Tamimi, Clinical outcomes of inguinal hernia in children and adolescents, 2023-
- Karin Salehi, Molecular and clinical studies of intestinal malrotation, 2022