Marta Szlag, Magdalena Stankiewicz, Sylwia Kellas-Ślęczka, Małgorzata Stąpór-Fudzińska, Agnieszka Cholewka, Agnieszka Pruefer, Piotr Wojcieszek
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引用次数: 0
摘要
对非黑色素瘤皮肤癌的连续治疗所产生的累积剂量可通过图像配准进行评估，但目前还缺乏选择合适算法的指南。本研究显示了刚性算法（RIR）、可变形算法（DIR）和基于可变形结构的算法（SDIR）对皮肤剂量的影响。DIR 增加了：最大剂量（39.2 Gy vs 9.4 Gy）、0.1 cm3 剂量（16.4 Gy vs 7.8 Gy）和 2 cm3 剂量（7.6 Gy vs 5.7 Gy）。RIR 只影响最大剂量，最大剂量增加到 17.0 Gy。SDIR 正确地转换了剂量图，因为所有参数都没有显著变化。
Comparison of image registration methods in patients with non-melanoma skin cancer treated with superficial brachytherapy
The accumulated dose from sequential treatments of metachronous non-melanoma skin cancer can be assessed using image registration, although guidelines for selecting the appropriate algorithm are lacking. This study shows the impact of rigid (RIR), deformable (DIR) and deformable structure-based (SDIR) algorithms on the skin dose. DIR increased: the maximum dose (39.2 Gy vs 9.4 Gy), the dose to 0.1 cm3 (16.4 Gy vs 7.8 Gy) and the dose to 2 cm3 (7.6 Gy vs 5.7 Gy). RIR only affected the maximum dose, which increased to 17.0 Gy. SDIR correctly translated the dose maps, as none of the parameters changed significantly.
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