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タイトル: | A scoring system predicting acute radiation dermatitis in patients with head and neck cancer treated with intensity-modulated radiotherapy |
著者: | Kawamura, Mitsue Yoshimura, Michio https://orcid.org/0000-0001-6665-2245 (unconfirmed) Asada, Hiromi Nakamura, Mitsuhiro Matsuo, Yukinori https://orcid.org/0000-0002-4372-8259 (unconfirmed) Mizowaki, Takashi https://orcid.org/0000-0002-8135-8746 (unconfirmed) |
著者名の別形: | 吉村, 通央 浅田, 裕美 中村, 光宏 松尾, 幸憲 溝脇, 尚志 |
キーワード: | Head-and- neck cancer IMRT VMAT Skin dose |
発行日: | 21-Jan-2019 |
出版者: | NLM (Medline) |
誌名: | Radiation Oncology |
巻: | 14 |
論文番号: | 14 |
抄録: | Background and purpose: We created a scoring system incorporating dosimetric and clinical factors to assess the risk of severe, acute skin reactions in patients undergoing intensity-modulated radiation therapy (IMRT) to treat head and neck cancer (HNC). Materials and methods: A total of 101 consecutive patients who received definitive IMRT or volumetric modulated arc therapy (VMAT) with a prescription dose of 70 Gy to treat HNC between 2013 and 2017 in our hospital were enrolled. Skin V₅GY, V₁₀GY, V₂₀GY, V₃₀GY, V₄₀GY, V₅₀GY, and V₆₀GY values delivered 5 mm within the body contour were compared between patients with Grades 1–2 and Grade 3 dermatitis. A scoring system was created based on logistic regression analysis (LRA) that identified the most significant dosimetric and clinical factors. Results: The V₆₀GY was significantly associated with radiation dermatitis grade in both LRA and recursive partitioning analysis (RPA). A scoring system incorporating the V₆₀GY, concurrent chemotherapy status, age, and body mass index was used to divide all patients into three subgroups (0–1, 2–3, and 4–6 points) in the RPA. The incidence of Grade 3 dermatitis significantly differed among the subgroups (0, 20.5, and 58.6%, respectively, P < 0.01). Conclusions: A risk analysis model incorporating dose-volume parameters successfully predicted acute skin reactions and will aid in the appropriate management of radiation dermatitis. |
著作権等: | © The Author(s). 2019. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. |
URI: | http://hdl.handle.net/2433/236107 |
DOI(出版社版): | 10.1186/s13014-019-1215-2 |
PubMed ID: | 30665451 |
出現コレクション: | 学術雑誌掲載論文等 |
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