Colon (tumor & nontumor)
Noninfectious colitis
Mastocytic enterocolitis


Topic Completed: 1 May 2013

Revised: 8 January 2019, last major update May 2013

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PubMed Search: mastocytic enterocolitis

Hanni Gulwani, M.B.B.S.
Page views in 2019: 1,177
Page views in 2020 to date: 913
Cite this page: Gulwani H. Mastocytic enterocolitis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/colonmastocyticenterocolitis.html. Accessed August 14th, 2020.
Definition / general
Case reports
Microscopic (histologic) description
  • Defined as more than 20 mast cells per high power field and no other significant histologic findings
  • A diagnosis of exclusion
Microscopic (histologic) images

Images hosted on other servers:
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Normal colon

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Increased mast cells

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Increased mast cells

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CD117

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CD117

Positive stains
Differential diagnosis
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