The abscesses totaled 30, were single in 15 patients, and were mutiple in 6 patients. Complete pus removal from each abscess was attempted with 16 GA needles (produced in Mexico, 13.3cm) under ultrasound guidance.

• 单一脓腔15例,多发脓腔6例,总共治疗脓肿30个,均由超声引导16GA套管针抽吸完成。