Storiform Collagenoma

Storiform Collagenoma

David S. Cassarino, MD, PhD

Scanning magnification view shows a dermal-based nodular fibroblastic proliferation with storiforming of collagen.

Higher power magnification shows bland fibroblasts image and scattered inflammatory cells image in a dense fibrous stroma.



  • Sclerotic fibroma


  • Benign, dermal-based fibroblastic proliferation with storiforming collagen



  • May be related to trauma

  • Some cases may represent regressed dermatofibromas

  • Some cases are genetic

    • Multiple lesions are associated with Cowden syndrome, consistent with a genetic influence

Jul 9, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Storiform Collagenoma
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