Lymphomatoid Papulosis

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Retrieved
2021-01-18
Source
Trials

Lymphomatoid papulosis (LyP) is a rare skin disorder. The overall prevalence rate of lymphomatoid papulosis is estimated at 1.2 to 1.9 cases per 1,000,000 population. This rare condition has only been studied in depth since 1968.

Presentation

It can appear very similar to anaplastic large cell lymphoma. Type "A" is CD30 positive, while type "B" is CD30 negative.

It has been described as "clinically benign but histologically malignant."

Cause

Diagnosis

Treatment

It may respond to methotrexate or PUVA.

Prognosis

It can evolve into lymphoma.

See also

  • Cutaneous T-cell lymphoma
  • Parapsoriasis
  • Secondary cutaneous CD30+ large cell lymphoma
  • List of cutaneous conditions