Cystic acne vulgaris.
D000152:Acne Vulgaris / Q000188:drug therapy*; D000293:Adolescent; D006801:Humans; D007271:Injections, Intradermal; D008297:Male; D013752:Tetracycline / Q000627:therapeutic use; D014222:Triamcinolone Acetonide / Q000627:therapeutic use
D014222:Triamcinolone Acetonide; D013752:Tetracycline