Sonja Steigen

• MD (University of Tromsoe, Norway, 1985-1991)
• Internship Tromsoe, Norway
• Resident - internal medicine (University Hospital of Northern Norway, 1994)
• Resident - pathology (University Hospital of Northern Norway 1995-1999)
• Consultant pathologist (University Hospital of Northern Norway 2000-)
• Fellow – Department of Pathology (University of Tromsoe, Norway, 2003-)
• Sabbatical/visiting fellow (GPEC, Vancouver August 2005-)

Tissue microarrays, Gastrointestinal stromal tumors, prognostic markers, mutation analyzes

1. Steigen SE, EideTJ. [Gastrointestinal stromal tumor] Tidsskr Nor Laegeforen. 2003 May 1;123(9):1191-3. Norwegian.
2. Lasota J, Dansonka-Mieszkowska A, Stachura T, Schneider-Stock R, Kallajoki M, Steigen, SE, Sarlomo-Rikala M, Boltze C, Kordek R, Roessner A, Stachura J, Miettinen M. Gastrointestinal stromal tumors with internal tandem duplications in 3' end of KIT juxtamembrane domain occur predominantly in stomach and generally seem to have a favorable course. Mod Pathol. 2003 Dec;16(12):1257-64
3. Asfeldt AM, Lochen ML, Staume B, Steigen SE, Florholmen J, Goll R, Nestegard O, Paulssen EJ. Accuracy of a monoclonal antibody-based stool antigen test in the diagnosis of Helicobacter pylori infection. Scand J Gastroenterol. 2004 Nov;39(11):1073-7.
4. Bruun CF, Langbakk B, Eriksson Steigen S. Purpura fulminans as a sequel to erythema nodosum in a child with homozygous Leiden mutation and acquired protein S deficiency. Acta Paediatr. 2005 Aug;94(8):1155-8