小儿血小板滞留综合征(platelet trappingsyndrome)虽少见,但一旦发生治疗很困难。最常见的是Kasabach-Merritt综合征——一种巨血管瘤伴发的血小板和凝血因子减少症。其次为内脏血管瘤病和遗传性出血性毛细血管扩张引起的血小板滞留症。本文报告4例,其中2例为巨血管瘤,1例多 Pediatric platelet trapping syndrome is rare, but treatment is difficult once it occurs. The most common is Kasabach-Merritt syndrome, a giant hemangioma with platelet and clotting factor reduction. Followed by visceral hemangiomatosis and hereditary hemorrhagic telangiectasia caused by platelet retention. This article reports 4 cases, 2 cases of giant hemangioma, 1 case more