视网膜母细胞瘤是小儿最常见的原发性眼内恶性肿瘤 ,90 %发生在 3岁以内的婴幼儿 ,临床上多以白瞳症就诊。我们遇到 1例 12岁视网膜母细胞瘤男孩 ,以前房出血首诊 ,现报道如下。　　病例　患者 ,男 ,12岁 ,因左眼视力减退伴黑影4个月 ,左眼疼痛伴左侧头痛、恶心、呕吐 7天于2 0 Retinoblastoma is the most common primary intraocular malignancy in children, 90% occurred in infants and young children within 3 years of age, clinically more than white pupil treatment. We met a 12-year-old boy with retinoblastoma, the first diagnosis of anterior chamber hemorrhage, are reported below. Case of patients, male, 12 years old, due to left eye vision loss with shadow 4 months, left eye pain with left headache, nausea, vomiting 7 days at 20