exostosis of external auditory meatus

例句：

1. 1. The patient had an exostosis of the external auditory meatus.
   患者有外耳道异位症。
2. 2.This condition is often associated with other bone abnormalities.
   这种状况通常与其他骨骼异常有关。
3. 3. Diagnosis and treatment of exostosis are complex and require specialized expertise.
   诊断和治疗外耳道异位症是复杂的，需要专门的专业知识。