Prostate
Benign lesions / conditions
Postoperative spindle cell nodules - primary carcinoma

Authors: Monika Roychowdhury, M.D. (see Authors page)

Revised: 28 July 2016, last major update July 2012

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

PubMed search: prostatic postoperative spindle cell nodules
Definition / General
Gross Description
  • Friable red nodules, resembling granulation tissue or sarcoma
Micro 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
Micro Images

Images hosted on PathOut server:

Bladder tumors (similar histology)


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