The blood was taken out by abdominocentesis for only one case of the 18 cases,which was splenic coontusion by exploratory operation and cured without damaging the spleen. After the operateon, it was proved to be hematoma by ultrasonography.

• 18例中仅1例腹腔穿刺抽出血性液体，经手术探查为脾挫伤，保脾治愈，术后B超证实为脾内血肿。