孕妇头颈部放射治疗程序中的胎儿吸收剂量评估。
Fetus absorbed dose evaluation in head and neck radiotherapy procedures of pregnant patients.
作者信息
da Costa Etieli C, da Rosa Luiz Antonio R, Batista Delano Valdivino S
机构信息
Instituto de Radioproteção e Dosimetria, Comissão Nacional de Energia Nuclear, CEP 22783-127 Av. Salvador Allende, Barra da Tijuca, Rio de Janeiro, Brazil.
Instituto de Radioproteção e Dosimetria, Comissão Nacional de Energia Nuclear, CEP 22783-127 Av. Salvador Allende, Barra da Tijuca, Rio de Janeiro, Brazil.
出版信息
Appl Radiat Isot. 2015 Jun;100:11-5. doi: 10.1016/j.apradiso.2015.01.013. Epub 2015 Jan 15.
In this work the head and neck cancer treatment of a pregnant patient was experimentally simulated. A female anthropomorphic Alderson phantom was used and the absorbed dose to the fetus was evaluated protecting the patient's abdomen with a 7cm lead layer and using no abdomen shielding. The target volume dose was 50Gy. The fetus doses evaluated with and without the lead shielding were, respectively, 0.52±0.039 and 0.88±0.052cGy.
在这项工作中，对一名孕妇的头颈癌治疗进行了实验模拟。使用了一个女性拟人化Alderson体模，在使用7厘米铅层保护患者腹部和不使用腹部屏蔽的情况下，评估了胎儿的吸收剂量。靶区剂量为50Gy。有铅屏蔽和无铅屏蔽时评估的胎儿剂量分别为0.52±0.039和0.88±0.052cGy。
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