盆腔腹膜外间隙(pelvic extraperitoneal spaces)简称盆外间隙,是指耻骨联合和骶骨间盆腔腹膜与盆壁筋膜之间的区域,并由盆内筋膜、韧带将之分为富含疏松结缔组织和脂肪组织的多个潜在间隙[1]。此间隙有利于盆内中空脏器的扩张及缓冲外力的损伤[1],同时,由于一些间隙内无血管神 Pelvic extraperitoneal spaces (pelvic extraperitoneal spaces) referred to as the pelvic space, refers to the pubic symphysis and sacral pelvic peritoneum and pelvic fascia between the area, and by the pelvic fascia, ligament will be divided into loose connective tissue And multiple potential gaps in adipose tissue [1]. This gap is conducive to the expansion of the hollow internal organs and buffer external force injury [1], at the same time, as some of the gap in the absence of vascular God