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Fibroepithelioma of Pinkus
Other Resources UpToDate PubMed

Fibroepithelioma of Pinkus

Contributors: David O'Connell MD, Stanley Chan MD, Sylvia Hsu MD, Susan Burgin MD
Other Resources UpToDate PubMed


Fibroepithelioma of Pinkus (FEP) is an uncommon neoplasm that classically presents as either a solitary, pink, sessile plaque or a pedunculated, smooth papule or nodule on the lower back. Most authors believe it to be an indolent form of basal cell carcinoma (BCC); however, more recently it has been classified by some as a trichoblastoma variant.

Other reported presentations include multiple dome-shaped papules and giant pedunculated tumors, ranging in color from nonpigmented to brown. FEP has been reported on other body areas, including the abdomen, thigh, groin, axilla, head, and plantar foot.

FEP, like BCC, is seen with increasing frequency in individuals older than 50 years. FEP occurs slightly more frequently in females.

FEP has rarely been diagnosed in childhood.


C44.91 – Basal cell carcinoma of skin, unspecified

254703005 – Fibroepithelioma of Pinkus

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Diagnostic Pearls

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Differential Diagnosis & Pitfalls

  • Trichoblastoma – Skin-colored papule on the face, commonly the nose, or on the upper trunk.
  • Acrochordon – Pedunculated, skin-colored papule often seen in the axillae and at the base of the neck.
  • Amelanotic melanoma – A melanoma largely lacking pigment; often misdiagnosed initially. Usually presents as a pink papule, nodule, or tumor.
  • Common acquired nevus – Well-circumscribed, round, tan to brown papule.
  • Common acquired nevus
  • Keloid
  • Solitary neurofibroma – Skin-colored, soft or rubbery papule or nodule.
  • Seborrheic keratosis – "Stuck-on"-appearing verrucous papule that can range from skin-colored to brown.

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Last Reviewed:02/26/2020
Last Updated:03/11/2020
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Fibroepithelioma of Pinkus
A medical illustration showing key findings of Fibroepithelioma of Pinkus : Pedunculated papule, Pink color, Verrucous scaly plaque, Single skin lesion
Clinical image of Fibroepithelioma of Pinkus - imageId=982428. Click to open in gallery.  caption: 'A close-up of a pink and brown, scaly plaque.'
A close-up of a pink and brown, scaly plaque.
Copyright © 2024 VisualDx®. All rights reserved.