1. Macules and papules with erythema and violaceous discoloration on the eyelids, proximal interphalangeal joints, and /or metacarpophalangeal joints
2. Absence of clinical evidence of proximal motor weakness within 2 years of skin disease
3. Normal skeletal muscle enzyme levels for 2 yrs following appearance of skin lesions
4. Skin biopsy specimen findings compatible with dermatomyositis
Table 3: Euwer and Sontheimer Diagnostic Criteria (1993) for Amyopathic Dermatomyositis.