Methods
Dermoscopy of few lesions showed central crustings, reddish areas with dotted and linear vessels surrounded by peripheral white scales (figure 2a) while the majority of lesions had a target pattern of central crust, intermediate vascular ring surrounded by white scales on pinkish background (figure 2b).Some lesions also revealed central necrotic areas around the hair follicles with peripheral crustings and scalings (figure 2c).
Histopathological examination of the lesion from left forearm demonstrated focal parakeratosis,spongiosis,vacuolar degeneration in basal layer with lymphocytic and neutrophilic infiltrations,epidermal exocytosis and extravasation of RBCs (figure 1b, 1c).