title: Trephining sebaceous cysts.
mesh_terms: D000772:Anesthesia, Local; D004814:Epidermal Cyst / Q000601:surgery*; D005018:Ethyl Chloride; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D013518:Surgery, Plastic; D014207:Trephining
chemical_list: D005018:Ethyl Chloride