Small bowel (small intestine)
Benign tumors and tumor-like conditions
Sclerosing peritonitis


Topic Completed: 1 August 2012

Revised: 14 August 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: Sclerosing peritonitis[TIAB] small bowel

Hanni Gulwani, M.B.B.S.
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Cite this page: Gulwani H. Sclerosing peritonitis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/smallbowelsclerosingperitonitis.html. Accessed November 18th, 2019.
Definition / general
  • Inflammatory and fibrosing process affecting visceral peritoneum that can encase small bowel (World J Gastroenterol 2012;18:1999)
  • Infiltrates mesentery at attachment site with peritoneum
  • Usually spares retroperitoneum
  • Associated with dry eyes and itchy scaly skin lesions
Clinical features
  • Associated with beta blockers; chronic peritoneal dialysis
  • Rare causes include abdominal surgery, abdominal tuberculosis, cirrhosis, dermoid cyst rupture, endometriosis, familial Mediterranean fever, fibrogenic foreign material, GI malignancy, intraperitoneal chemotherapy, liver transplantation, luteinized ovarian thecomas, pertioneoventricular shunting, protein S deficiency, recurrent peritonitis, sarcoidosis, subclinical primary viral peritonitis
Case reports
Clinical images

Images hosted on other servers:

Encapsulating thick,
white adherent
membrane encasing
small bowel

Gross images

Contributed by Dr. Sajna V. M. Kutty, for Case of the Month #482

Right colon limited resection for possible enteric duplication cyst in the distal ileum

Microscopic (histologic) images

Contributed by Dr. Sajna V. M. Kutty, for Case of the Month #482

Board review question #2
Sclerosing encapsulating peritonitis most often involves what intraperitoneal organ?

A. Colon
B. Ovary
C. Small bowel
D. Stomach
Board review answer #1
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