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    Pityriasis lichenoides chronica presenting with bilateral palmoplantar involvement.
    Cutis 2016 May;97(5):345;347;358
    Bay Dermatology/Largo Medical Center, Florida, USA.
    Pityriasis lichenoides is an uncommon, acquired, idiopathic, self-limiting skin disease that poses a challenge to patients and clinicians to diagnose and treat. Several variants exist including pityriasis lichenoides et varioliformis acuta (PLEVA), pityriasis lichenoides chronica (PLC), and febrile ulcer-onecrotic Mucha-Habermann disease. Precise classification can be difficult due to an overlap of clinical and histologic features. In this case report we describe a patient with a rare presentation of PLC exhibiting bilateral palmoplantar involvement and mimicking psoriasis. We review the literature and discuss the clinical course, pathogenesis, and current treatment modalities of PLC.

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    Residente de Dermatología, P. Universidad Católica de Chile.
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