retroperitoneal fibrosis/progesterone

METHODS A 69-year-old man had a history of chronic abdominal pain and intermittent fever for more than 10 years. Due to acute epigastric pain and intermittent fever with night sweat for one week he was admitted for further investigation. On physical examination there was tenderness in the right

Sclerosing mesenteritis is a complex inflammatory disorder of the mesentery. Although sclerosing mesenteritis is often associated with other idiopathic inflammatory disorders such as retroperitoneal fibrosis, sclerosing cholangitis, Riedel thyroiditis, and orbital pseudotumor, its exact cause is

Type 1 autoimmune pancreatitis (AIP1) is an IgG4-related systemic disease that mimics tumors. We report a rare case of AIP1 accompanied by mucinous cystic neoplasm (MCN). A pancreatic lesion was incidentally detected in a woman in her 60s. After 6 years of follow-up, the lesion abruptly increased in