Small bowel (small intestine)
Other malignancies
Leiomyosarcoma

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 23 February 2018, last major update August 2012

Copyright: (c) 2003-2018, PathologyOutlines.com, Inc.

PubMed Search: Leiomyosarcoma[TI] small bowel[TIAB]

Cite this page: Gulwani, H. Leiomyosarcoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/smallbowelLMS.html. Accessed April 21st, 2018.
Definition / general
Case reports
Gross description
  • Intraluminal, bulging, polypoid tumor (duodenal tumors - mean 14 cm)
Gross images

Images hosted on other servers:

Leiomyosarcoma of small bowel

Microscopic (histologic) description
  • Resemble smooth muscle cells
  • High grade features (pleomorphism, atypia, mitotic figures, necrosis)
Positive stains
Negative stains