Petter Malmborg

Publications
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Public outreach and news

Articles

Article: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2023;77(1):55-61
Risk Factors of Cancer in Pediatric-Onset Inflammatory Bowel Disease in Denmark and Finland
Malham M; Jansson S; Malmborg P; Olen O; Paerregaard A; Virta LJ; Jakobsen C; Kolho K-L; Wewer V
Article: DIGESTIVE DISEASES AND SCIENCES. 2023;68(7):3129-3138
Frequent Occurrence of Perianal Disease and Granuloma Formation in Patients with Crohn's Disease and Coexistent Orofacial Granulomatosis
Malmquist M; Rabe H; Malmborg P; Gale G; Idestrom M; Sigurdsson GV; Hasseus B; Wold AE; Saalman R
Article: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2022;57(12):1435-1442
Switching from originator infliximab to biosimilar versus continuing on originator in inflammatory bowel disease: results from the observational Project NORTH study
Hellstrom PM; Gemmen E; Ward HA; Koo H; Faccin F; Xue Z; Malmborg P
Article: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2022;56(6):1007-1017
Earnings during adulthood in patients with childhood-onset inflammatory bowel disease: A nationwide population-based cohort study
Malmborg P; Everhov AH; Soderling J; Ludvigsson JF; Bruze G; Olen O
Article: CLINICAL EPIDEMIOLOGY. 2022;14:591-600
Identification of Childhood-Onset Inflammatory Bowel Disease in Swedish Healthcare Registers: A Validation Study
Mouratidou N; Malmborg P; Jaras J; Sigurdsson V; Sandstrom O; Fagerberg UL; Broms G; Ludvigsson JF; Olen O
Article: JOURNAL OF PEDIATRICS. 2021;238:66-73.e1
Serious Infections in Pediatric Inflammatory Bowel Disease 2002-2017-A Nationwide Cohort Study
Ludvigsson JF; Sachs MC; Jaras J; Malmborg P; Olen O
Article: JOURNAL OF CROHNS & COLITIS. 2021;15(6):980-987
Women's Earnings are more Affected by Inflammatory Bowel Disease than Men's: A Register-Based Swedish Cohort Study
Everhov AH; Bruze G; Soderling J; Askling J; Halfvarson J; Westberg K; Malmborg P; Nordenvall C; Ludvigsson JF; Olen O
Article: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2020;51(8):789-800
Adult height in patients with childhood-onset inflammatory bowel disease: a nationwide population-based cohort study
Mouratidou N; Malmborg P; Sachs MC; Askling J; Ekbom A; Neovius M; Smedby KE; Savendahl L; Ludvigsson JF; Olen O
Journal article: GASTROHEP. 2019;1(6):265
Editorial: Paediatric onset inflammatory bowel disease is it a distinct and aggressive phenotype?
Malmborg P
Article: INFLAMMATORY BOWEL DISEASES. 2019;25(10):1663-1673
Effects of Childhood-onset Inflammatory Bowel Disease on School Performance: A Nationwide Population-based Cohort Study Using Swedish Health and Educational Registers
Malmborg P; Mouratidou N; Sachs MC; Hammar U; Khalili H; Neovius M; Hjern A; Smedby KE; Ekbom A; Askling J; Ludvigsson JF; Olen O
Article: GASTROENTEROLOGY. 2019;156(3):614-622
Increased Mortality of Patients With Childhood- Onset Inflammatory Bowel Diseases, Compared With the General Population
Olen O; Askling J; Sachs MC; Frumento P; Neovius M; Smedby KE; Ekbom A; Malmborg P; Ludvigsson JF
Article: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2019;54(1):55-63
Changes in inflammatory bowel disease subtype during follow-up and over time in 44,302 patients
Everhov AH; Sachs MC; Malmborg P; Nordenvall C; Myrelid P; Khalili H; Elmberg M; Ekbom A; Askling J; Jakobsson G; Halfvarson J; Ludvigsson JF; Olen O
Article: ACTA PAEDIATRICA. 2018;107(9):1635-1641
Combining Rome ΙΙΙ criteria with alarm symptoms provides high specificity but low sensitivity for functional gastrointestinal disorders in children
Uusijarvi A; Olen O; Malmborg P; Eriksson M; Grimheden P; Arnell H
Article: JOURNAL OF CROHNS & COLITIS. 2018;12(2):157-166
Surgical Treatment in Childhood-onset Inflammatory Bowel Disease-A Nationwide Register-based Study of 4695 Incident Patients in Sweden 2002-2014
Nordenvall C; Rosvall O; Bottai M; Everhov AH; Malmborg P; Smedby KE; Ekbom A; Askling J; Ludvigsson JF; Myrelid P; Olen O
Article: BMJ-BRITISH MEDICAL JOURNAL. 2017;358:j3951
Childhood onset inflammatory bowel disease and risk of cancer: a Swedish nationwide cohort study 1964-2014
Olen O; Askling J; Sachs MC; Frumento P; Neovius M; Smedby KE; Ekbom A; Malmborg P; Ludvigsson JF
Journal article: INFLAMMATORY BOWEL DISEASES. 2016;22(7):e23-e24
Reply.
Gita G; Vignir S; Sofia Ö; Petter M; Karin H; Bengt H; Mats J; Robert S
Article: INFLAMMATORY BOWEL DISEASES. 2016;22(5):1071-1077
Does Crohn's Disease with Concomitant Orofacial Granulomatosis Represent a Distinctive Disease Subtype?
Gale G; Sigurdsson GV; Ostman S; Malmborg P; Hogkil K; Hasseus B; Jontell M; Saalman R
Article: GLOBAL PEDIATRIC HEALTH. 2016;3:2333794X16633672
Iron Deficiency Is Common During Remission in Children With Inflammatory Bowel Disease.
Wikholm E; Malmborg P; Forssberg M; Hederos C-A; Wikström S
Article: INFLAMMATORY BOWEL DISEASES. 2015;21(9):2145-2153
Pediatric IBD-unclassified Is Less Common than Previously Reported; Results of an 8-Year Audit of the EUROKIDS Registry.
Winter DA; Karolewska-Bochenek K; Lazowska-Przeorek I; Lionetti P; Mearin ML; Chong SK; Roma-Giannikou E; Maly J; Kolho K-L; Shaoul R; Staiano A; Damen GM; de Meij T; Hendriks D; George EK; Turner D; Escher JC; Paediatric IBD Porto Group of ESPGHAN
Article: INFLAMMATORY BOWEL DISEASES. 2015;21(5):1098-1108
Presentation and Progression of Childhood-Onset Inflammatory Bowel Disease in Northern Stockholm County
Malmborg P; Grahnquist L; Idestrom M; Lindholm J; Befrits R; Bjork J; Montgomery S; Hildebrand H
Article: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2013;57(1):29-34
Increasing Incidence of Paediatric Inflammatory Bowel Disease in Northern Stockholm County, 2002-2007
Malmborg P; Grahnquist L; Lindholm J; Montgomery S; Hildebrand H
Article: INFLAMMATORY BOWEL DISEASES. 2013;19(2):378-385
Disease phenotype at diagnosis in pediatric Crohn's disease: 5-year analyses of the EUROKIDS Registry.
de Bie CI; Paerregaard A; Kolacek S; Ruemmele FM; Koletzko S; Fell JME; Escher JC; EUROKIDS Porto IBD Working Group of ESPGHAN
Article: INFLAMMATORY BOWEL DISEASES. 2013;19(2):370-377
Atypical disease phenotypes in pediatric ulcerative colitis: 5-year analyses of the EUROKIDS Registry.
Levine A; de Bie CI; Turner D; Cucchiara S; Sladek M; Murphy MS; Escher JC; EUROKIDS Porto IBD Working Group of ESPGHAN
Article: INFLAMMATORY BOWEL DISEASES. 2012;18(4):703-708
Cesarean section and the risk of pediatric Crohn's disease
Malmborg P; Bahmanyar S; Grahnquist L; Hildebrand H; Montgomery S
Article: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2012;54(3):374-380
Diagnostic workup of paediatric patients with inflammatory bowel disease in Europe: results of a 5-year audit of the EUROKIDS registry.
de Bie CI; Buderus S; Sandhu BK; de Ridder L; Paerregaard A; Veres G; Dias JA; Escher JC; EUROKIDS Porto IBD Working Group of ESPGHAN
Article: EUROPEAN JOURNAL OF PEDIATRIC SURGERY. 2009;19(5):290-292
Treatment with Botulinum Toxin in Children with Chronic Anal Fissure
Husberg B; Malmborg P; Stirgard K
Journal article: JOURNAL OF CROHNS & COLITIS. 2009;3(1):15
P063 MARKERS OF PERINATAL BOWEL COLONIZATION AND PEDIATRIC CROHN'S DISEASE RISK
Malmborg P; Hildebrand H; Kling A; Montgomery SM
Journal article: JOURNAL OF CROHNS & COLITIS. 2009;3(1):15
P062 RADIOLOGIC EVALUATION OF THE SMALL INTESTINE IN PEDIATRIC INFLAMMATORY BOWEL DISEASE
Linnér A; Malmborg P; Ullberg U; Fagerberg UL; Hildebrand H
Article: INFLAMMATORY BOWEL DISEASES. 2009;15(7):1049-1054
Granulocyte-Monocyte Adsorptive Apheresis in Pediatric Inflammatory Bowel Disease: Results, Practical Issues, Safety, and Future Perspectives
Ruuska T; Wewer V; Lindgren F; Malmborg P; Lindquist M; Marthinsen L; Browaldh L; Casswall T; Kalliomaki M; Gronlund J
Article: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2008;43(8):961-966
Early-life exposures associated with antibiotic use and risk of subsequent Crohn's disease
Hildebrand H; Malmborg P; Askling J; Ekbom A; Montgomery SM
Article: WORLD JOURNAL OF GASTROENTEROLOGY. 2008;14(28):4576-4579
Cerebral venous thrombosis and heparin-induced thrombocytopenia in an 18-year old male with severe ulcerative colitis
Thorsteinsson GS; Magnussson M; Hallberg LM; Wahlgren NG; Lindgren F; Malmborg P; Casswall TH
Journal article: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2005;40(5):663
EARLY BACTERIAL INFECTIONS AND CAESAREAN SECTION AS RISK FACTORS FOR CROHN'S DISEASE
Hildebrand H; Malmborg P; Montgomery S
Journal article: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2005;40(5):663
EARLY BACTERIAL INFECTIONS AND CAESAREAN SECTION AS RISK FACTORS FOR CROHN'S DISEASE
Hildebrand H; Malmborg P; Montgomery S
Article: PEDIATRIC INFECTIOUS DISEASE JOURNAL. 2002;21(12):1142-1145
Successful treatment of neuroborreliosis with ten day regimens
Thorstrand C; Belfrage E; Bennet R; Malmborg P; Eriksson M
Journal article: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2002;35(3):400
Reply to: Ganciclovir Treatment in Infants With Cytomegalovirus Infection and Cholestasis
Fischler B; Casswall T; Malmborg P; Nemeth A
Journal article: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2002;34(2):154-157
Ganciclovir Treatment in Infants With Cytomegalovirus Infection and Cholestasis
Fischler B; Casswall TH; Malmborg P; Nemeth A
Article: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2002;34(2):154-157
Ganciclovir treatment in infants with cytomegalovirus infection and cholestasis
Fischler B; Casswall TH; Malmborg P; Nemeth A
Article: LAKARTIDNINGEN. 2001;98(34):3545-3549
[Rheumatic fever behind acute chorea in a young girl. A case report].
Malmborg P; Dahlström K; Kendahl GC; Lundell B; Eriksson B; Hildebrand H
Journal article: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2001;32(S1):s49
ELECTROGASTROGRAPHY IN COELIAC DISEASE
Malmborg P; Ejderhamn J
Journal article: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2001;32:s49
ELECTROGASTROGRAPHY IN COELIAC DISEASE
Malmborg P; Ejderhamn J
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All other publications

Review: THERAPEUTIC ADVANCES IN GASTROENTEROLOGY. 2023;16:17562848231177612
Coronavirus disease 2019 and gastrointestinal disorders in children
Tjernberg AR; Malmborg P; Marild K
Letter: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2020;52(3):560-561
Letter: is unrealised adult height resulting from paediatric Crohn's disease associated with a potential reduction in lifetime earnings? Authors' reply
Mouratidou N; Malmborg P; Olen O
Letter: ACTA PAEDIATRICA. 2019;108(2):378
Reply about alarm symptoms in functional gastrointestinal disorders
Uusijarvi A; Olen O; Malmborg P; Arnell H
Conference publication: JOURNAL OF CROHNS & COLITIS. 2017;11(suppl_1):s14-s15
OP024 Childhood-onset inflammatory bowel disease and risk of cancer – a Swedish nationwide cohort study 1964–2014
Olén O; Askling J; Frumento P; Sachs MC; Neovius M; Eriksson J; Smedby KE; Ekbom A; Malmborg P; Ludvigsson JF
Conference publication: JOURNAL OF CROHNS & COLITIS. 2017;11:S14-S15
Childhood-onset inflammatory bowel disease and risk of cancer - a Swedish nationwide cohort study 1964-2014
Olen O; Askling J; Frumento P; Sachs MC; Neovius M; Eriksson J; Smedby KE; Ekbom A; Malmborg P; Ludvigsson JF
Review: JOURNAL OF INTERNAL MEDICINE. 2016;279(3):241-258
The emerging global epidemic of paediatric inflammatory bowel disease - causes and consequences
Malmborg P; Hildebrand H
Meeting abstract: JOURNAL OF CROHNS & COLITIS. 2014;8:S321
Presentation and progression of childhood-onset inflammatory bowel disease in northern Stockholm County
Malmborg P; Grahnquist L; Idestrom M; Bjork J; Befrits R; Lindholm J; Montgomery S; Hildebrand H
Review: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2012;54(6):830-837
Risk of Infection and Prevention in Pediatric Patients With IBD: ESPGHAN IBD Porto Group Commentary
Veereman-Wauters G; de Ridder L; Veres G; Kolacek S; Fell J; Malmborg P; Koletzko S; Dias JA; Misak Z; Rahier J-F; Escher JC
Conference publication: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2010;50:E106-E107
ONE YEAR OUTCOME OF PAEDIATRIC INFLAMMATORY BOWEL DISEASE IN NORTHERN STOCKHOLM COUNTY
Malmborg P; Grahnquist L; Montgomery SM; Lindholm J; Hildebrand H
Letter: JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION. 2002;35(3):400
Reply to: Ganciclovir treatment in infants with cytomegalovirus infection and cholestasis
Fischler B; Casswall T; Malmborg P

Employments

Affiliated to Research, Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, 2023-2026
Affiliated to Research, Department of Medicine, Karolinska Institutet, 2023-2025

Degrees and Education

Degree Of Doctor Of Philosophy, Department of Women's and Children's Health, Karolinska Institutet, 2014
University Medical Degree, Karolinska Institutet, 1992

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