Plexiform Fibrohistiocytic Tumor



Plexiform Fibrohistiocytic Tumor


Julie C. Fanburg-Smith, MD

Aaron Auerbach, MD









Hematoxylin & eosin shows plexiform fibrohistiocytic tumor (PFHT) at the dermal subcutaneous interface with a plexiform appearance. Note the extensions into the dermis and subcutis.






Hematoxylin & eosin shows a dermal ball-like growth pattern of histiocytoid cells (plexiform) as part of a histiocytic-type of PFHT.


TERMINOLOGY


Abbreviations



  • Plexiform fibrohistiocytic tumor (PFT/PFHT)


Synonyms



  • Debatably deep form of cellular neurothekeoma


Definitions



  • Borderline tumor of fibrohistiocytic phenotype involving dermis and subcutis in infiltrative growth pattern, sparing adnexa


CLINICAL ISSUES


Epidemiology



  • Incidence



    • Rare


  • Age



    • Children and young adults


    • Range: 1-77 years; median: 20 years


  • Gender



    • Slight male predominance


Site

Jul 9, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Plexiform Fibrohistiocytic Tumor

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