Lichenoid dermatoses in hospitals in Lomé, Togo: 959 cases.

The aim of this study was to describe the epidemiologic, clinical, and therapeutic profiles of cases of lichenoid dermatosis in Lomé, together with their outcomes. This retrospective descriptive study reviewed records of patients receiving care for lichenoid dermatosis from January 1997 to December 2016 in the dermatology departments of Lomé. In total, 959 (2.2%) cases of lichenoid dermatoses including 813 (84.8%) of lichen planus and 123 (12.8%) of lichen striatus were recorded. The mean age of the patients was 29.60 +/- 14 years and the sex ratio (M/F) was 0.7. Lichen planus was papular and found most often on the lower limbs (56.0%). Lichen striatus was banded along the lines of Blaschko, mainly on the lower limbs (55.3%). There were 23 patients with lichen nitidus lesions, most often on the trunk (47.8%). The treatment was based on corticosteroid therapy. Recurrences were noted in 40 (11.6%) cases of lichen planus and 4 (3.2%) of lichen striatus. This study shows that the principal lichenoid dermatoses in Lomé are lichen planus, and their management is based on corticosteroid treatment.