癌症科学与治疗

基于 3D-CT 图像的宫颈癌高剂量率近距离放射治疗计划的剂量分析：印度中央政府研究所的初步经验

Abstract

Suresh Yadav?Sanjay Singh Chandel?Choudhary S?Veenita Yogi?Singh OP?Dinesh Kumar Saroj ? Goswami Brijesh

???????????????? (ICBT) ?????????? (2D) ?? X ???????????? 2D ??????? (3D) ????????????? (OAR) ?????????????????????????????? 3D ??????????????????

????????????? (Ca-Cx) ?????? (HDR) ICBT ???????? OAR ??????? (DVH)???????????? (CT) ??? ICBT ????????

???????????? 13 ???? Ir-192 HDR ???????? Ca-Cx ??? 39 ??? CT ???????? 13x3=39 CT????“A”??????? 3 ???? 7 Gy/???????????? (TPS) ???????????? 100% ?????????????? (HR-CTV) ??? 90% ??????????? OAR ?????????????????????????? HR-CTV D ₉₀?HR-CTV D ₁₀₀????“A”?? OAR ? D _2CC?

?????????? HR-CTV D ₉₀?HR-CTV D ₁₀₀????“A”?????????? 100.82 Gy?SD?± 6.08??70.95 Gy?SD?± 2.76?? 79.46 Gy?SD?± 0.66??????????????? D _2CC??????? 68.89 Gy?SD?± 8.76??63.74 Gy?SD?± 3.82?? 73.20 Gy?SD?± 3.04??

????????????????3D-CT ????? Ca-Cx ICBT ????????????