Small bowel (small intestine)
Other malignancies
Müllerian adenosarcoma


Topic Completed: 1 August 2012

Revised: 15 March 2019

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

PubMed Search: Müllerian adenosarcoma small bowel
Page views in 2018: 65
Page views in 2019 to date: 42
Cite this page: Gulwani H. Müllerian adenosarcoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/smallbowelmullerianadeno.html. Accessed May 24th, 2019.
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