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Small bowel (small intestine)

Benign tumors and tumor-like conditions

Brown bowel syndrome


Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 19 December 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.

General
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● Prominent dark brown or orange-brown discoloration of bowel wall on serosa and cut surfaces due to lipofuscin (Mayo Clin Proc 1979;54:251)
● Also called ceroidosis
● Associated with malabsorption, pseudo-obstruction (Rofo 2003;175:1143)

Micro description
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● Prominent lipofuscin granules in smooth muscle cells (Arch Pathol Lab Med 1990;114:76)

Differential diagnosis
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● Melanosis coli: pigment within mucosa

End of Small bowel (small intestine) > Benign tumors and tumor-like conditions > Brown bowel syndrome


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