[Porokeratosis ptychotropica with mycotic superinfection in a 68-year-old man]

Jana Roßner1, Alexander Enk2, Ferdinand Toberer2

  • 1Universitäts-Hautklinik Heidelberg, Im Neuenheimer Feld 440, 69120, Heidelberg, Deutschland. jana.rossner@med.uni-heidelberg.de.

PubMed

Insights

Porokeratosis ptychotropica, a rare inherited skin disorder, causes extensive plaques in the genital and gluteal areas. Treatment is challenging with high recurrence rates for this condition.

Area of Science:

  • Dermatology
  • Genetics
  • Pathology

Background:

  • Porokeratosis ptychotropica is an exceptionally rare variant of porokeratosis, a group of inherited disorders of keratinization.
  • This condition manifests as extensive, verrucous, hyperkeratotic plaques primarily affecting the perigenital, gluteal, and inguinal regions.

Purpose of the Study:

  • To describe the clinical and histological characteristics of Porokeratosis ptychotropica.
  • To highlight the challenges in managing this rare dermatological condition.

Main Methods:

  • Histopathological examination to identify the characteristic cornoid lamellae.
  • Clinical assessment of plaque morphology and distribution.

Main Results:

  • Histology confirms the pathognomonic feature of cornoid lamellae, a hallmark of porokeratosis.
  • Clinical presentation includes extensive hyperkeratotic plaques in specific anatomical locations.

Conclusions:

  • Porokeratosis ptychotropica presents unique clinical challenges due to its location and morphology.
  • Current treatment outcomes for this condition are often unsatisfactory, with a high likelihood of recurrence.