The acneform eruption of Apert's syndrome is not acne vulgaris.
D000152:Acne Vulgaris / Q000473:pathology*; D000168:Acrocephalosyndactylia / Q000473:pathology*; D000293:Adolescent; D001706:Biopsy; D006197:Hair / Q000473:pathology; D006801:Humans; D008297:Male; D012627:Sebaceous Glands / Q000473:pathology; D012867:Skin / Q000473:pathology