Porokeratosis

Porokeratosis
Classification and external resources

A porokeratosis lesion in a patient with disseminated superficial actinic porokeratosis.
DiseasesDB 31356
eMedicine article/1059123
MeSH D017499

Porokeratosis is a specific disorder of keratinization that is characterized histologically by the presence of a cornoid lamella, a thin column of closely stacked, parakeratotic cells extending through the stratum corneum with a thin or absent granular layer.[1]:532

Contents

Types

Porokeratosis may be divided into the following clinical types[1]:532:

However, additional types have also been described[2]:213,566:

Pathology

Porokeratosis has a characteristic histomorphologic feature known as a cornoid lamella.

See also

References

  1. ^ a b Freedberg, et al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. ISBN 0071380760.
  2. ^ James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0721629210.