Doline S, Needleman H L, Petersen R A, Cassady J R
J Pediatr Ophthalmol Strabismus. 1980 Mar-Apr;17(2):109-13. doi: 10.3928/0191-3913-19800301-12.
Two patients who received supervoltage x-ray external beam irradiation for treatment of retinoblastoma by standard techniques showed interference with the root formation of the maxillary deciduous molars and abnormalities of crown and root formation of the permanent maxillary molars. Both patients showed a relative maxillary retrognathism thought to be related to radiation effects on maxillary bone growth. Simulation of lateral radiation portals with subsequent beam shaping using an appropriate block placed in the radiation beam is suggested as a means to eliminate the dental complications of radiation therapy for retinoblastoma.
两名采用标准技术接受超高压X线外照射治疗视网膜母细胞瘤的患者，出现上颌乳磨牙牙根形成受干扰以及上颌恒磨牙牙冠和牙根形成异常。两名患者均表现出相对的上颌后缩，认为与辐射对上颌骨生长的影响有关。建议通过在辐射束中放置合适的挡块模拟侧方辐射野并进行后续射野塑形，作为消除视网膜母细胞瘤放射治疗牙科并发症的一种方法。
