perineuritis

例句：

1. 1. He developed an anal peritonitis after a long trip.
   他在长途旅行后患上了肛门周围炎。
2. 2.The doctor diagnosed her with perianal inflammation due to poor hygiene.
   由于卫生条件差，医生诊断她患有肛门周围炎。
3. 3.Perianal inflammation can be caused by bacterial infections or irritants in the environment.
   肛门周围炎可以由细菌感染或环境中的刺激物引起。