Table 1.

Skin lesions of dermatomyositis

Gottron papulesViolaceous erythematous symmetric papules over dorsal aspects of the interphalangeal or metacarpophalangeal jointsYes
Gottron signSymmetric macular violaceous erythema over dorsal aspects of the interphalangeal joints, olecranon processes, patellas, and medial malleoliYes
Heliotrope eruptionErythematous to violaceous eruption on upper eyelids (periorbital)Yes
Photodistributed poikiloderma (shawl and V signs)Poikiloderma (both hyperpigmentation and hypopigmentation, telangiectasias, and epidermal atrophy) with a violaceous hue present in photo-exposed skin. The shawl sign presents on the upper back and the V sign presents on the neck and upper chest. Often associated with severe pruritusYes
Holster signPoikiloderma on lateral aspects of thighsYes
Facial erythemaMidfacial erythema involving nasolabial foldsNo
Scalp changesDiffuse, with poikilodermic changes and substantial scaling and pruritusNo
Nail changesPeriungual telangiectasiasYes
Calcinosis cutisDeposition of calcium in the skin, commonly found in juvenile dermatomyositisNo