目的观察肺炎旁胸腔积液（PPE）患者的细菌学检查与治疗结果。
为正确诊断，外科扩疮术并组织学及细菌学检查是必要的。
1·Aim: to evaluate the result of local application of clindamycin membrane treating acute topical type pericoronitis of wisdom tooth with clinical observation and bacteriologic examination.
目的：对局部应用氯林可霉素药膜治疗急性局限型智齿冠周炎的结果进行临床观察和细菌学检测，以评价其在智齿冠周炎治疗中的意义。
2·METHODS The clinical data of 85 cases with PPE were retrospectively analyzed. The clinical pathological type, bacteriologic features and treatment results were investigated.
方法回顾性分析85例PPE患者的临床资料，分析病理分型、细菌学特点与治疗结果。