Oncology & Hematology Coding Alert

What are porokeratotic lesions and can these be malignant?

Porokeratotic lesions are a manifestation of disordered keratinization in the skin. These have a typical histological appearance. Yes, porokeratotic lesions can develop into a malignancy. The most common is a squamous cell carcinoma.

Multiple clinical variants have been described for this condition, some are listed below:

  • Classic porokeratosis of Mibelli
  • Disseminated superficial actinic porokeratosis
  • Disseminated superficial porokeratosis
  • Linear porokeratosis
  • Punctate porokeratosis