Pityriasis lichenoides chronica is an uncommon, idiopathic, acquired dermatosis, characterized by the groups of erythematous, scaly papules that may persist for months. A biopsy is required for diagnosis.
○ Diagnosis and Treatment Blood tests to rule out syphilis Biopsy to rule out cutaneous lymphoma
Pityriasis lichenoides chronica (PLC) is an uncommon, idiopathic, acquired dermatosis, characterized by evolving groups of erythematous, scaly papules that may persist for months.
A 19-year-old woman came in with a five-year history of small, spotty rashes and raised, yellowish to skin-colored bumps with a ring of fine scales on her torso and arms and legs. Guttate pityriasis lichenoides chronica is an uncommon presentation of this T-cell-mediated disease.
○ Diagnosis and Treatment
Blood tests to rule out syphilis
Biopsy to rule out cutaneous lymphoma