Clinical and Demographical Characteristics of Turkish Patients with Lichen Planus Pigmentosus

Lichen Planus Pigmentosus (LPP) is a disease that is mostly seen in India, Latin America and Far East. It is rarely seen and its etiopathogenesis has not been completely clarified yet. In this study, we aimed to investigate the clinical and demographic characteristics of Turkish paitents diagnosed with LPP.

We retrospectively reviewed medical records of patients with LPP, who had been admitted our outpatient clinic between 2009 and 2015. The following clinical and demographic data were obtained from the records: age of onset, clinical findings, lesion site, laboratory findings, etiological factors, concomitant diseases and drug history. There were 47 LPP patients who were diagnosed clinically and histopathologically. The age average of patients was 51.7. 73% were women and 27% were men. Average age was 52.2 in women and 50.6 in men.

When evaluated in terms of localization, 47% was inverse, 45% was localized and 6% was generalized. One patient was in zosteriform pattern. (2%). Area of involvement was as follows: 10.6% face, 23.4% trunk, 4% legs. 36.7% of patients had more than one body part involved. Axilla was the most common localization site with a ratio of 17%.