作者回顾分析了18例因耳廓、外耳道、耳周皮肤或腮腺肿瘤施行颞骨外侧切除术的病例。颞骨外侧切除术分为以下四型。Ⅰ型:切除鼓骨和鼓膜外侧的外耳道,适用于耳甲和耳周皮肤肿瘤,未侵犯外耳道皮肤、腮腺、颞下颌关节和面神经者;Ⅱ型:切除全部鼓骨、鼓膜、槌骨和砧骨,保留面神经和内耳,适用于外耳道皮肤肿瘤,或耳廓、耳周皮肤肿瘤侵犯外耳道者;Ⅲ型:在Ⅱ型基础上,切除面神经和面神经管远端、乳突尖、茎突和茎乳孔,内侧达颈动脉骨管和颈静脉孔,适用于腮腺切除术后肿瘤持续存在或复发者;Ⅳ型:仅切除乳 The authors retrospectively analyzed 18 cases of lateral tibial resections performed on auricles, external auditory canals, perianal skin, or salivary gland tumors. The lateral tibial resection is divided into the following four types. Type I: Excision of the external auditory canal and tympanic membrane outside the ear canal, suitable for ear and ear skin tumors, does not infringe the external auditory canal skin, parotid gland, temporomandibular joint and facial nerve; type II: removal of all the drums, tympanic membrane, tibia and anvil Bone, preserved facial and inner ear, suitable for external auditory canal skin tumors, or auricle, ear skin tumor invading the external auditory canal; type III: resection of facial nerve and facial nerve tube distal, mastoid, styloid process and stem on type II basis The pores, medial to the carotid bony canal and jugular foramen, are suitable for the persistence or recurrence of tumors after parotidectomy; type IV: only excision of milk