Acta Dermatovenerol Alp Pannonica Adriat 2016 Dec;25(4):77-78
Medical Park Hastanesi, Yenimahalle, Ankara, Turkey.
Erythema dyschromicum perstans is a rare, chronic, pigmentary disorder with unknown etiology. It clinically presents with oval to round, gray, blue, or brown macules of various sizes. The etiology remains unknown; however, cobalt allergy, radio contrast media, intestinal parasites, human immunodeficiency virus, and hypothyroidism have been proposed as causative factors. Read More