Other malignancies
Stromal sarcomas

Authors: Komal Arora, M.D. (see Authors page)

Revised: 1 September 2016, last major update July 2012

Copyright: (c) 2003-2016,, Inc.

PubMed search: prostatic stromal sarcoma

Related topics: Stromal proliferation of uncertain malignant potential
Cite this page: Stromal sarcomas. website. Accessed April 24th, 2017.
Definition / General
  • Mean age 54, peak incidence in 50’s and 60’s (Am J Surg Pathol 1998;22:148)
  • Usually presents with urinary retention
  • Also abnormal digital rectal examination, hematuria or hematospermia, palpable rectal mass
  • Includes phyllodes tumors
Case Reports
Micro Description
  • Greater cellularity, mitoses, necrosis, and stromal overgrowth than tumors of “uncertain malignant potential”
  • Either pure stromal elements or stromal elements with benign glands resembling malignant breast phyllodes tumors
Micro Images
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Various images

Positive Stains
Negative Stains