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J Clin Gastroenterol. 2004 Oct;38(9):818-22.

Inflammatory pseudotumor of the liver associated with Crohn's disease.

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Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA.


Inflammatory pseudotumor (IPT) of the liver is a rare, benign lesion that is characterized by proliferating fibrous tissue infiltrated by inflammatory cells. The exact etiology of IPT remains unclear. Although the association of IPT with systemic inflammatory disorders has been established, a specific link with Crohn's disease is rare. We report two cases of IPT associated with Crohn's disease. Both patients were elderly males who presented with abdominal pain and jaundice. At the time of presentation, both had active Crohn's disease that was undiagnosed. Computed tomography demonstrated a liver mass, and endoscopic retrograde cholangiography revealed biliary strictures in both patients. Given their symptomatic jaundice and concern for cholangiocarcinoma, they underwent abdominal surgical exploration and pathology results revealed IPT. They were subsequently diagnosed with Crohn's disease. Following treatment of Crohn's disease, there was significant improvement in their overall clinical status. An underlying diagnosis of inflammatory bowel disease should be considered in patients with IPT.

[Indexed for MEDLINE]

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