Fig 1.
(a) Erythematous papule with central ulceration on the proximal phalanx of the left index finger, at the puncture site before treatment. (b) Dermoscopy shows erythema with a yellowish hue, central ulceration, peripheral white lines, and dotted vascular structures. (c) Histologic findings evidenced a dermal lymphohistiocytic infiltrate with amastigote organisms within histiocytes (hematoxylin & eosin; original magnification ×40).