title: Complications of ear piercing.
mesh_terms: D003469:Culture; D003560:Cysts / Q000209:etiology; D003872:Dermatitis / Q000209:etiology; D004427:Ear Diseases / Q000209:etiology*; D004431:Ear, External / Q000601:surgery*; D004954:Esthetics; D005006:Ethnicity; D005260:Female; D006801:Humans; D006967:Hypersensitivity; D007249:Inflammation / Q000209:etiology; D007627:Keloid / Q000209:etiology; D009532:Nickel; D011183:Postoperative Complications; D013530:Surgical Wound Infection
chemical_list: D009532:Nickel