原发性中耳脑膜瘤是发生于中耳的一种异位脑膜瘤,本病发病率低,在临床上比较罕见,多数表现为良性过程。由于临床表现极不典型,临床诊断困难,手术后复发率较高,确诊需依靠病理检查。本病常以耳部症状为主要临床表现,往往易被误诊为慢性化脓性中耳炎,并且在中耳周围产生骨质破坏? Primary middle ear meningioma is an ectopic meningioma that occurs in the middle ear. The incidence of this disease is low and is relatively uncommon in clinical practice. Most of them manifest as benign processes. Due to the extremely poor clinical manifestations, clinical diagnosis is difficult, the recurrence rate after surgery is higher, the diagnosis depends on the pathological examination. The disease is often the main clinical manifestations of ear symptoms, often easily misdiagnosed as chronic suppurative otitis media, and in the middle of the surrounding ears produce bone destruction?