| Porokeratosis | |
|---|---|
 | |
| A porokeratosis lesion in a patient with disseminated superficial actinic porokeratosis. | |
| Specialty | Pediatrics, dermatology  |
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
- ^ Freedberg, et al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. ISBN 0-07-138076-0.