Mast cells in the epidermis of piebaldism.
The depigmented lesion in a case of piebaldism (partial albinism) was examined by electron microscopy. In the epidermis melanocytes were absent and the number of Langerhans cells was increased. In addition several mast cells were found in the epidermis.
D000417:Albinism / Q000473:pathology; D002454:Cell Differentiation; D002465:Cell Movement; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D007801:Langerhans Cells / Q000648:ultrastructure; D008297:Male; D008407:Mast Cells / Q000648:ultrastructure*; D008544:Melanocytes / Q000648:ultrastructure; D008854:Microscopy, Electron; D010859:Pigmentation Disorders / Q000473:pathology*; D012867:Skin / Q000473:pathology*