TURKDERM-TURKISH ARCHIVES OF DERMATOLOGY AND VENEROLOGY, vol.51, no.4, pp.129-132, 2017 (ESCI)
Lichen planus (LP) affects 0.2-1% of adult population and the etiology is not fully known. Erosive lichen planus (ELP) is a rare form of LP. LP, characterized by painful erosive plaques involving the oral mucosa and palmoplantar and genital areas, is quite resistant to treatment. Palmoplantar involvement of ELP is very uncommon. Herein, we present an ELP patient with both plantar and dorsal feet involvement in whom the diagnosis of ELP was not established for 7 years. The patient was started on 3 mg/kg/day cyclosporin-A treatment and regression of the lesions was observed during follow-up. Plantar ELP is a condition which needs years of patient monitoring due to treatment resistance, scar tissue formation, recurrence, association of comorbid pathologies, and malignant transformation potential.