External ear tumors - benign / nonneoplastic
Solitary fibrous tumor

Author: Nat Pernick, M.D. (see Authors page)

Revised: 23 February 2018, last major update October 2013

Copyright: (c) 2002-2018, PathologyOutlines.com, Inc.

PubMed Search: Solitary fibrous tumor [title] ear

Cite this page: Pernick, N. Solitary fibrous tumor. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/earSFT.html. Accessed March 23rd, 2018.
Definition / general
  • Slow growing tumor, usually benign, although malignant transformation and metastases have been reported at other sites
  • Very rare in auditory canal
Case reports
Microscopic (histologic) description
  • Fascicular, whorled or haphazard (patternless) arrangement of oval / spindle cells in myxoid or collagenous stroma with inflammatory cells and vascular clefts
  • May have mild atypia or occasional mitotic figures
Microscopic (histologic) images

Images hosted on other servers:
Missing Image

Various images

Positive stains
Negative stains