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切除较小的颈静脉球体瘤和中耳的鼓室球体瘤及其至颈动脉和岩尖的扩展,经前下鼓室途径可直接接近肿瘤,常可完全切除肿瘤并保留中耳结构和听力。除去乳突尖,游离面神经可使术野扩大以切除颈静脉球和向后扩展的球体瘤。手术途径:经前下鼓室进路至颞下窝的手术用于处理小至中等大的球体瘤或范围尚未确定的肿瘤。作耳后皮肤切口向下扩展至上颈部,从后面切开外耳道骨部和软骨部结合处以内的皮肤,耳郭折向前。右耳在2点和10点处从鼓环向外作2个直切口,在鼓环外下2 mm处作外耳道下部
Removal of smaller jugular bulb tumors and middle ear tympanosoma and its extension to the carotid and petrous apex, the anterior and posterior tympanic approach can be directly accessible to the tumor, often complete removal of the tumor and retain the middle ear structure and hearing. Remove the mastoid tip, free facial nerve surgery can be expanded to remove the jugular bulb and expand the spherical tumor. Surgical approach: Surgical approach to the infratemporal fossa through the anterior and posterior tympanic space is for the treatment of small to medium sized spheroid tumors or undefined tumors. After the ear skin incision extended downward to the upper neck, cut from the back of the external auditory meatus and cartilaginous joints within the Department of skin, ears fold forward. The right ear at the 2 o’clock and 10 o’clock from the drum ring out for two straight incision outside the drum ring 2 mm at the lower part of the external auditory canal