Case Reports in Dermatological Medicine (Jan 2012)

Keratoacanthoma Centrifugum Marginatum with Atypical Scar

  • Falguni Nag,
  • Projna Biswas,
  • Joydeep Singha,
  • Arghyaprasun Ghosh,
  • Trupti V. Surana

DOI
https://doi.org/10.1155/2012/158158
Journal volume & issue
Vol. 2012

Abstract

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Keratoacanthoma centrifugum marginatum (KCM) is a rare variant of keratoacanthoma (KA). It is characterized by a progressive peripheral expansion and central healing leaving atrophic scar. It is sometimes confused with squamous cell carcinoma (SCC) both clinically and histopathologically. We here report a case of KCM over the extensor aspect of the right forearm in a 57-year-old man with an abnormal looking scar.