患女,18岁。以腰背疼痛伴腹胀痛4d入院。4d前劳动时,不慎跌倒后腰背部疼痛伴腹部渐大,胀痛,无排便,有尿失禁。查体:T36℃,P100 次/min,R24次/min,BP15/12kPa,神志清,急性病苦病容,呼吸急促,自动体位,查体合作。心肺阴性,腹部高度膨隆,肝脾触诊不满意,全腹有压痛,无反跳痛。腹部可触及一巨大包块,上界剑突下,下 Women, 18 years old. Back pain with abdominal pain 4d admission. 4d before work, accidentally fell back and back pain with abdominal enlargement, pain, no defecation, incontinence. Physical examination: T36 ℃, P100 times / min, R24 times / min, BP15 / 12kPa, clear consciousness, acute disease bitter illness, shortness of breath, automatic position, physical examination cooperation. Heart-lung-negative, bulging abdomen, palpation of liver and spleen are not satisfied, the whole abdomen with tenderness, no rebound pain. Abdomen can reach a huge mass, the upper boundary of the xiphoid, under