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This difficulty is typically related to the lesion\u0027s\noriginal location or the possibility that resection could lead\nto a marked decline in the patient\u0027s quality of life, based on\npostoperative motor dysfunction or neurological damage [1].\nMoreover, even in cases where resection is possible, postoperative\nirradiation is recommended for patients who experience incomplete\nresection or exhibit positive surgical margins. However,\nmany kinds of bone and soft-tissue sarcomas are radio-resistant\ntumours, and it is can be difficult to control them using X-ray radiation\ntherapy.\nIn the field of radiation oncology, heavy-ion beams are defined\nas radiation that is obtained by accelerating charged nuclei that are\nheavier than protons. Carbon ion radiotherapy is one type of heavyion\nradiotherapy having potential advantages over conventional\nradiotherapy [2]. For example, carbon ions provide better physical\ndose distribution, compared to conventional radiotherapy, because\nof the special characteristic of charged particle beams (the Bragg\npeak) [2,3]. Furthermore, they have a higher relative biological\neffectiveness and a lower oxygen enhancement ratio. Some researchers\nhave argued that protons represent a technical\nimprovement for highly conformal therapy, and that heavier ions\nmight even facilitate the treatment of cancers that are resistant to\nconventional X-ray therapy [4]. In Japan, the National Institute of\nRadiological Science (NIRS) has treated patients using carbon ion\nradiotherapy since 1994, and over 8000 patients with various solid\ntumours have been treated using by carbon ion radiotherapy at\nNIRS [2].\nWe informed two patients that there are not only advantages of\nsurgery but also postoperative complications. In addition, we told\nthem that carbon ion radiotherapy might be a safe and effective\nmodality for patients who localized primary sarcoma who are unsuitable\nfor resection or for patients who refuse surgery including\namputation. As a result, both of them made a choose carbon ion\ntherapy.\nIn the present report, we describe two cases of pelvic sarcomas\nwith available oncological and functional results from prolonged\nfollow-ups (\u003e10 years) after carbon ion radiotherapy without surgery.\nInformed consent has been obtained from these two patients\nfor publication. 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Two cases of pelvic sarcoma in the acetabulum with >10-year follow-ups after carbon ion radiotherapy.
https://repo.qst.go.jp/records/48955
https://repo.qst.go.jp/records/48955f572546b-0f59-4bc4-8d69-e4a9609e27af
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-05-11 | |||||
タイトル | ||||||
タイトル | Two cases of pelvic sarcoma in the acetabulum with >10-year follow-ups after carbon ion radiotherapy. | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
kawanami, Katsuhisa
× kawanami, Katsuhisa× matsuo, Toshihiro× sato, Keiji× Imai, Reiko× kamiya, Mitsuhiro× wakao, Norimitsu× hirasawa, Atsuhiko× deie, Masataka× 今井 礼子 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | There are many cases of bone and soft-tissue sarcoma in which resection is difficult. This difficulty is typically related to the lesion's original location or the possibility that resection could lead to a marked decline in the patient's quality of life, based on postoperative motor dysfunction or neurological damage [1]. Moreover, even in cases where resection is possible, postoperative irradiation is recommended for patients who experience incomplete resection or exhibit positive surgical margins. However, many kinds of bone and soft-tissue sarcomas are radio-resistant tumours, and it is can be difficult to control them using X-ray radiation therapy. In the field of radiation oncology, heavy-ion beams are defined as radiation that is obtained by accelerating charged nuclei that are heavier than protons. Carbon ion radiotherapy is one type of heavyion radiotherapy having potential advantages over conventional radiotherapy [2]. For example, carbon ions provide better physical dose distribution, compared to conventional radiotherapy, because of the special characteristic of charged particle beams (the Bragg peak) [2,3]. Furthermore, they have a higher relative biological effectiveness and a lower oxygen enhancement ratio. Some researchers have argued that protons represent a technical improvement for highly conformal therapy, and that heavier ions might even facilitate the treatment of cancers that are resistant to conventional X-ray therapy [4]. In Japan, the National Institute of Radiological Science (NIRS) has treated patients using carbon ion radiotherapy since 1994, and over 8000 patients with various solid tumours have been treated using by carbon ion radiotherapy at NIRS [2]. We informed two patients that there are not only advantages of surgery but also postoperative complications. In addition, we told them that carbon ion radiotherapy might be a safe and effective modality for patients who localized primary sarcoma who are unsuitable for resection or for patients who refuse surgery including amputation. As a result, both of them made a choose carbon ion therapy. In the present report, we describe two cases of pelvic sarcomas with available oncological and functional results from prolonged follow-ups (>10 years) after carbon ion radiotherapy without surgery. Informed consent has been obtained from these two patients for publication. This is the first report regarding delayed side effects of carbon ion radiotherapy after a long-term follow-up. |
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書誌情報 |
Journal of Orthopaedic Science 巻 S0949-2658, 号 17, p. 30192-30196, 発行日 2017-08 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0949-2658 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 28818569 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.jos.2017.08.003 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | www.elsevier.com/locate/jos | |||||
関連名称 | www.elsevier.com/locate/jos |