Lichen planopilaris epidemiology: A retrospective study of 80 cases

Background: lichen planopilaris is a frequent presentation of primary cicatricial alopecia. scalp distribution characterizes the main clinical presentations: classic lichen planopilaris,frontal fibrosing alopecia and graham-little piccardi-lassueur syndrome (glpls). objective: description of the clinical,dermoscopic and histopathological findings of lichen planopilaris in public and private practices. method: a retrospective observational study was performed by reviewing medical records of patients with lichen planopilaris. results: eighty patients were included,73 (91,25%) were female. prototype ii was seen in 53 (66,25%) patients. classic lichen planopilaris was seen in 62,5% of the cases. frontal fibrosing alopecia was seen in 31% of the patients and only one patient presented graham-little piccardi-lassueur syndrome (glpls). scalp lesions were scattered throughout the scalp in 47 (58,75%) of the patients,while 24 (30%) presented mainly central scalp lesions,29 (36,25%) presented marginal lesions and only 4 (5%) patents had vertex lesions. conclusions: clinical presentation of lichen planopilaris varies. to recognize the heterogeneity of the clinical appearance in lichen planopilaris is important for differential diagnosis. © 2015 by anais brasileiros de dermatologia.