Characteristic small, reddish macules that vary in shape
and distribution, ranging from 2 mm to more than 2 cm, and found
predominantly on the buttock and lower extremities. Biopsy demonstrates
capillary telangiectasis, pericapillary infiltration of mononuclear cells,
erythrocyte extravasation into superficial dermal connective tissue, and
(rare) hemosiderin deposition into macrophages.