149例视网膜母细胞瘤,经组织病理学检查以确定产生青光眼机理的类型和发生率。最常见的机理是虹膜的新生血管伴有继发虹膜周边前粘连。这种病例肿瘤几乎总是位于后极部并波及到视网膜中心血管,同时有高度血管增生的肿瘤块长入玻璃体内。第二个最常见的机理是广泛渗出性视网膜脱离造成瞳孔阻滞及房角关闭。这 149 cases of retinoblastoma, histopathological examination to determine the type and incidence of glaucoma mechanism. The most common mechanism is the neovascularization of the iris with secondary pre-iris adhesions. In this case, the tumor is almost always located in the posterior pole and affects the central retinal blood vessels, while the tumor mass with a high degree of vascular hyperplasia grows into the vitreous. The second most common mechanism is extensive exudative retinal detachment caused by pupillary block and angle closure. This