Colon tumor
Mesenchymal tumors
Leiomyomatosis-like lymphangioleiomyomatosis

Author: Charanjeet Singh, M.D. (see Authors page)

Revised: 4 January 2017, last major update May 2012

Copyright: (c) 2003-2017, PathologyOutlines.com, Inc.

PubMed Search: Leiomyomatosis-like OR lymphangioleiomyomatosis colon

Cite this page: Leiomyomatosis-like lymphangioleiomyomatosis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/colontumorLAM.html. Accessed January 24th, 2017.
Definition / General
  • Extremely rare (one case report)
Case Reports
Treatment
  • Excision
Gross Description
  • Diffuse nodular thickening of colonic wall
Gross Images

Images hosted on other servers:

Nature.com images:

Diffuse wall thickening

Micro Description
  • Smooth muscle proliferation within colonic wall and also arising from thin walled vessels
  • Focal extension into pericolic fat
  • No pleomorphism, no atypia, no mitotic figures
Micro Images

Images hosted on other servers:

Nature.com images:

HMB45

Spindle cells in
bowel wall, and
smooth muscle cells
arising from vein

Positive Stains
Negative Stains