Irregular erythema of the skin progressing to poikiloderma with atrophy, telangiectasia, hyperpigmentation, and hypopigmentation; sparse hair; premature canities; dystrophic or atrophic nails; acral hyperkeratotic lesions on elbows, knees, hands, and feet; distinctive facies with frontal bossing, saddle nose, and micrognathia; short stature; sexual abnormalities; cataracts; dental abnormalities