Erythema dyschromicum perstans: the continuing enigma of Cinderella or ashy dermatosis

Ashy dermatosis: A comprehensive review

“…An association with contrast agents, viral infections and worm infestations have been reported [7][8][9]. It has been hypothesized that an immunological response to these agents may lead to the hyperpigmentation [13].…”

“…There have been two case reports of Indian children with this condition [11,12]. The condition affects both the sexes but is more common in women [7][8][9].…”

“…Onset can occur at any age but the mean age of occurrence is usually in the 2 nd decade of life [7,8]. The condition is most common in Asia and Central and South America, as the majority of the published cases have been from those regions [7][8][9].…”

“…However, it has been reported in association with the ingestion of ammonium nitrate and barium sulfate. The reported associated infections and infestations include hepatitis C virus infection, HIV infection and whipworm infestation [7][8][9].…”

A Case of Unilateral Ashy Dermatosis

“…The patient can be of any age, but the mean age of occurrence is in the 2nd decade of life 2,7 . Ashy dermatosis is most common in Asia and Central and South America, and is somewhat more common in women 2,3,7 .…”