Inverted follicular keratosis

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Inverted follicular keratosis
Inverted follicular keratosis (Ackerman)

Inverted follicular keratosis is a skin condition characterized by asymptomatic, firm, white–tan to pink papules[1] and considered as a subtype of seborrheic keratosis.[2]


Microscopically, inverted follicular keratosis is characterized as a well-circumscribed inverted acanthotic squamous proliferation containing squamous eddies and without significant atypia.[3]

See also[edit]


  1. ^ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. p. 1666. ISBN 1-4160-2999-0.
  2. ^ Busam Klaus J., Dermatopathology s.341; 2010 Saunders ISBN 978-0-443-06654-2
  3. ^ "Journal of Skin Cancer". Simulators of Squamous Cell Carcinoma of the Skin: Diagnostic Challenges on Small Biopsies and Clinicopathological Correlation. Hindawi.