Skin appendage tumors.
D003528:Carcinoma, Adenoid Cystic / Q000378:metabolism* / Q000473:pathology; D006651:Histocytochemistry; D006801:Humans; D012878:Skin Neoplasms / Q000378:metabolism* / Q000473:pathology; D013194:Staining and Labeling; D013544:Sweat Gland Neoplasms / Q000378:metabolism / Q000473:pathology; D013545:Sweat Glands / Q000473:pathology