Small bowel (small intestine)
Other malignancies
Müllerian adenosarcoma

Topic Completed: 1 August 2012

Revised: 15 March 2019

Copyright: 2003-2019,, Inc.

PubMed Search: Müllerian adenosarcoma small bowel

Hanni Gulwani, M.B.B.S.
Page views in 2019: 88
Page views in 2020 to date: 9
Cite this page: Gulwani H. Müllerian adenosarcoma. website. Accessed February 18th, 2020.
Definition / general
  • 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)
Microscopic (histologic) 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
Back to top