Collagenous Fibroma



Collagenous Fibroma


Khin Thway, BSc, MBBS, FRCPath










In this case of collagenous fibroma (desmoplastic fibroblastoma), the lesion is a well-circumscribed ovoid or fusiform mass. The hypocellularity is apparent at low power.






Although the tumor is largely circumscribed, focal infiltration of surrounding soft tissues may be seen image.


TERMINOLOGY


Synonyms



  • Desmoplastic fibroblastoma (DF)


Definitions



  • Rare, benign, fibrous soft tissue neoplasm occurring mainly in adult males and consisting of paucicellular arrays of stellate and spindled fibroblasts


  • Reciprocal translocation t(2;11)(q31;q12) in some


ETIOLOGY/PATHOGENESIS


Developmental Anomaly



  • Etiology unknown


CLINICAL ISSUES


Epidemiology



  • Age



    • All ages; particularly older adults (5th-6th decades)


  • Gender



    • M > F

Jul 8, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Collagenous Fibroma
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