Lichen planus in India: an appraisal of 441 cases.

An analytical study of 441 patients with lichen planus is presented. Lichen planus occurrence was 76% of conditions seen at this institution. The sex ratio was 3:2. Most patients having the disease were in the 3rd decade of life. Lichen planus vulgaris (common type) was seen in 329 (74%) patients, lichen planus hypertrophicus in 56 (13%), lichen planus actinicus in 33 (7.5%), lichen planus follicularis in 8 (2%), lichen planus atrophicus in 8 (2%) and lichen planus pemphigoides in 7 (1.5%) patients. Mucous membrane involvement was seen in 127 (29%) cases and nail involvement in only 7 (1.5%).