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Different patterns of cutaneous ulceration in melanoma differentiation-associated gene 5–positive dermatomyositis patients. A, Lateral nailfold erythema and crusting. B, Deep ulceration overlying metacarpophalangeal joint. C, Back of left shoulder demonstrating noninflammatory, deep, “punched out” ulceration. D, Extensive ulceration and ischemic necrosis of digits.
