Lichen planus pigmentosus
Feng, H.; Gutierrez, D.; Rothman, L.; Meehan, S.; Sicco, K.Lo.
Dermatology online journal 24(12)
2018
ISSN/ISBN: 1087-2108 PMID: 30677796 Document Number: 695081
Lichen planus pigmentosus (LPP) is an uncommon variant of lichen planus of unclear etiology that predominantly affects patients of skin types III to VI. We report a case of LPP of two years duration in a 67-year-old man involving upper extremities, chest, abdomen, and upper back.