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Small bowel (small intestine)

Other malignancies

Mullerian adenosarcoma

Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 22 December 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.


● Tumor with benign glandular component and malignan stromal component
● Rare in small bowel; associated with endometriosis and unopposed estrogen therapy (Am J Surg Pathol 2000;24:513)

Micro description

● Proliferation of endometrioid glands and stroma with stromal condensation around glands, mild to moderate cytologic atypia of stroma and stromal mitoses
● May have stromal pseudodecidualization, focal epithelial atypia
● No definite malignant epithelial features

End of Small bowel (small intestine) > Other malignancies > Mullerian adenosarcoma

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