Penile Pseudo-ainhum Associated With Lichen Sclerosus Et Atrophicus

Pseudo-ainhum is a term used to describe the presence of constricting bands of the extremities due to various etiologies. Progression of the lesions causes irreversible damage and autoamputation of the affected digits. We report pseudo-ainhum of the penis in a 37-year-old Chinese man concurrent with lichen sclerosus et atrophicus (LSA). Although pseudo-ainhum has been associated with many dermatologic conditions, the presentation with LSA is unique. Combination therapy with tretinoin ointment and clobetasol propionate ointment showed some therapeutic efficacy.