Esophageal involvement is frequent in lichen planus: study in 32 patients with suggestion of clinicopathologic diagnostic criteria and therapeutic implications.

Objective: Lichen planus (LP) is a classic skin disease that can involve the skin, hair, and nails, as well as the oral and genital mucosa. Histopathology is characterized by a T-lymphocytic, lichenoid, and interface dermatitis. Multiple case reports and small case series have shown that LP can involve the esophagus.