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目的：研究视网膜母细胞瘤的ＣＴ形态学改变，旨在提高对本病的认识。方法：对我院１９９５年８月～１９９７年１２月的７８例眼眶ＣＴ中初诊发现的２３例眶内软组织肿块，其中１１例视网膜母细胞瘤进行分析，８例经手术及病理证实，另３例因其它原因放弃治疗。结果：１１例患儿均具有典型的ＣＴ表现：①眼球突出；②眼球壁上软组织密度块影；③团块状钙化。结论：ＣＴ表现对视网膜母细胞瘤的早期诊断、分期及手术提供了客观依据。
OBJECTIVE: To study the CT morphological changes of retinoblastoma in order to improve the understanding of this disease. Methods: Totally 23 cases of orbital soft tissue mass were found in 78 cases of orbital CT seen from August 1995 to December 1997 in our hospital. Among them, 11 cases were diagnosed as retinoblastoma, 8 cases were confirmed by operation and pathology, and the other 3 cases For other reasons give up treatment. Results: All the 11 children had typical CT findings: (1) prominent eyeballs; (2) soft tissue density block on the eyeball; (3) massive calcification. Conclusion: The CT findings provide an objective basis for the early diagnosis, staging and operation of retinoblastoma.