视网膜母细胞瘤是幼年时期的一种恶性肿瘤,有时自行消退。消退病例多半按如下发现分类: (1)临床诊断的单侧肿瘤已自行消退。 (2)临床诊断为双侧性视网膜母细胞瘤,严重的患眼行摘除术,并经组织学诊断证实;另一眼肿瘤消退。 (3)在摘出的眼球痨眼球意外地观察到消 Retinoblastoma is a malignant neoplasm that sometimes subsides spontaneously. Most cases of regression were found as follows: (1) clinically diagnosed unilateral tumor has subsided. (2) The clinical diagnosis of bilateral retinoblastoma, severe eye removal surgery, and confirmed by histological diagnosis; the other the tumor subsided. (3) unexpectedly observed disappearance of the eyeball eyeball