Table of ContentsDefinition / general | Case reports | Microscopic (histologic) description | Microscopic (histologic) images | Positive stains | Negative stains
Cite this page: Pernick N. Solitary fibrous tumor. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/earSFT.html. Accessed December 6th, 2019.
Definition / general
- Slow growing tumor, usually benign, although malignant transformation and metastases have been reported at other sites
- Very rare in auditory canal
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