Benign lesions / conditions
Postoperative spindle cell nodules - primary carcinoma

Topic Completed: 1 July 2012

Revised: 26 February 2019

Copyright: 2003-2019,, Inc.

PubMed search: prostatic postoperative spindle cell nodules

Monika Roychowdhury, M.D.
Page views in 2018: 523
Page views in 2019 to date: 473
Cite this page: Roychowdhury M. Postoperative spindle cell nodules. website. Accessed November 22nd, 2019.
Definition / general
Gross description
  • Friable red nodules, resembling granulation tissue or sarcoma
Microscopic (histologic) description
  • Cellular with high mitotic activity
  • Intersecting fascicles of spindle cells with extravasated red blood cells resembling Kaposi‚Äôs sarcoma
  • Minimal nuclear pleomorphism, no atypical mitoses
  • Relatively small size
Microscopic (histologic) images

AFIP images

Bladder tumors (similar histology)

Positive stains
  • Keratin (strong), actin (variable)
Negative stains
  • EMA
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