脓肿由于非法注射毒品，通常是海洛因而引起的脓肿 An abscess caused by injecting an illegal drug, usually heroin.
瘘，瘘管由于受伤、疾病或先天性变形引起的把脓肿、腔洞或空器官同身体或其它空器官连结起来的病变的通道 An abnormal duct or passage resulting from injury, disease, or a congenital disorder that connects an abscess, a cavity, or a hollow organ to the body surface or to another hollow organ.
龈脓肿牙床上生的小疖或肿块，常由龋牙引起 A small boil or abscess on the gum, often resulting from tooth decay.
