Symmetric Idiopathic MicroPapular Facial Eruption or SIMPLE - Description of a New Entity Featuring Facial Vellus Hair Lichen Planopilaris in the Absence of Frontal Fibrosing Alopecia

Abstract

Patients with frontal fibrosing alopecia (FFA) can present with facial micropapules which histologically represent vellus hair lichen planopilaris (LPP). Noninflammatory vellus hair LPP in the absence of FFA is rarely reported. The report describes noninflammatory vellus hair LPP presenting as symmetrical facial micropapules in the absence of clinical signs of FFA.

Keywords: Facial eruption; facial micropapules; frontal fibrosing alopecia; lichen plano pilaris; vellus hair.