Trichofolliculoma

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Trichofolliculoma is an uncommon benign dermatologic neoplasm.

General

  • Benign.

Microscopic

Features:[1]

  • Irregular hair follicle (basilar nest of cells with an acellular hair shaft) with:
    • Smaller satellites (follicles) consisting of well-circumscribed basilar cells.

Note:

  • Lack artificial clefting between the (basilar) nests and stroma (seen in BCC).
  • Surrounding stroma does not have a basophilic tingle (seen in BCC).

DDx:

Images

www:

Trichofolliculoma DermNet

  • Trichofolliculoma. (WC)

See also

References

  1. ↑ Busam, Klaus J. (2009). Dermatopathology: A Volume in the Foundations in Diagnostic Pathology Series (1st ed.). Saunders. pp. 382. ISBN 978-0443066542.
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