１临床资料例１男，４２岁，因脐周肿块，发热，消瘦２月入院。Ｂ超诊断为腹壁脓肿，钡灌肠检查肿块与结肠无联系。拟行腹壁脓肿切开引流术，局麻下手术，术中发现肿块位于腹腔内，被迫改变麻醉方法为连续硬膜外麻醉，先行肿块穿刺抽出黄白色脓液，再切开肿块一小日，涌出５０ 1 Clinical data Example 1 Male, 42 years old, was admitted to hospital in February due to a peri-umbilical mass, fever, and wasting. Abdominal wall abscess was diagnosed by B-ultrasound. The barium enema was not associated with the colon. The abdominal abscess incision and drainage are planned to be performed. Under local anesthesia, the tumor is found in the abdomen during the operation. The anesthesia method is forced to change to continuous epidural anesthesia. The first mass puncture draws yellow-white pus and then cuts the mass for a small day. , Gushing 50