恶性外耳炎

定义

恶性外耳炎是一种罕见的危及生命的外耳道炎感染性并发症。它在大多数情况下是由铜绿假单胞菌引起。生物体从外耳道渗透到周围深层组织，导致颞骨的骨髓炎，并有损害邻近颅神经和脑部脓毒性血栓栓塞的危险。高龄、未受控制的糖尿病和免疫抑制是危险因素。

Malignant otitis externa is a rare life-threatening infective complication of otitis externa. It is due in the majority of cases to Pseudomonas aeruginosa. Organisms penetrate from the external ear canal into the surrounding deeper tissues resulting in osteomyelitis of the temporal bone and risks of damage to adjacent cranial nerves and septic thrombo-emboli to the brain. Advanced age, uncontrolled diabetes mellitus and immunosuppression are risk factors.

索引词 可用于检索该条目的同义词与别名

• 恶性外耳炎
• 坏死性外耳炎
• 颞骨铜绿假单胞菌骨髓炎