Author information from the last article
Articles by Jørgen Jahnsen
A man in his fifties with abdominal pain, itching and weight loss
- Kristin Hammersbøen Bjørlykke,
- Lars Lohne Eftang,
- Krzysztof Grzyb,
- Pål-Dag Line,
- Kristoffer Lassen,
- Jørgen Jahnsen
10.02.2020:
A middle-aged man was admitted with elevated liver values and jaundice. Because malignancy was suspected, the man underwent extensive liver surgery. Histological examinations of the liver resection specimen revealed an unexpected and underdiagnosed disease. A man in his fifties with a history of...
Bariatric surgery in inflammatory bowel disease
- Bjørn Moum,
- Jørgen Jahnsen
25.03.2010:
Surgical treatment of morbid obesity in patients with inflammatory bowel disease is a difficult issue. There are very few references to this subject in the literature, which may mean that little is known about this problem. Serious complications are feared with this type of surgery in these patients...
Measurement of calprotectin in faeces
- Jørgen Jahnsen,
- Arne G. Røseth,
- Erling Aadland
16.04.2009:
Calprotectin is a small protein that can be detected in various body fluids and tissues by using ELISA methodology and immunohistochemistry. The protein originates mainly from neutrophils. In the 1990s, detection of calprotectin in faeces was marketed as a test for colorectal cancer. The specificity...