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European Journal of Dermatology

Type 2 segmental manifestation of disseminated superficial actinic porokeratosis in a 7-year-old girl Volume 19, issue 1, January-February 2009

  • Auteur(s) : Yayoi Niimi, Seiji Kawana , Department of Dermatology, Nippon Medical School, 1-1-5, Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
  • Mots-clés : porokeratosis, linear porokeratosis, disseminated superficial actinic porokeratosis, combination, cornoid lamella
  • Page(s) : 25-8
  • DOI : 10.1684/ejd.2008.0567
  • Année de parution : 2009

We report here a rare case of porokeratosis in which two different clinical types of porokeratosis (linear porokeratosis and disseminated superficial actinic porokeratosis) coexisted. A 7-year-old girl developed a centrifugal lesion on her left abdomen at the age of 2, disseminated superficial actinic porokeratosis on her face at the age of 3 after ultraviolet exposure, and linear porokeratosis on her left body at the age of 5. Histological findings corresponded with cornoid lamella. She was treated with topical maxacalcitol ointment and cryotherapy with considerable improvement. The combination of different types of porokeratosis in one individual is rare. We consider that this case may represent a type 2 segmental manifestation of disseminated superficial actinic porokeratosis.

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