Zobrazeno 1 - 10 of 247 pro vyhledávání: '"HIROAKI HOSHI"'
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Akademický článek
Long-Term Tumor Control despite Late Pseudoprogression on 18F-FDG-PET following Extremely Hypofractionated Stereotactic Radiotherapy for Retropharyngeal Lymph Node Metastasis from Esthesioneuroblastoma
Autor: Kazuhiro Ohtakara, Hiroaki Hoshi
Publikováno v: Case Reports in Oncology, Vol 7, Iss 2, Pp 576-582 (2014)
18F-FDG-PET is a valuable adjunct to conventional imaging for evaluating treatment response following stereotactic body radiotherapy (SBRT) for head and neck malignancies (HNM). The effect of treatment-related inflammation is generally deemed negligi
Externí odkaz: https://doaj.org/article/558f7f831b79401b88a43fb379a619f3
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2
Akademický článek
Gradual Recovery from Nonambulatory Quadriparesis Caused by Metastatic Epidural Cervical Cord Compression in an Octogenarian Gallbladder Carcinoma Patient Treated with Image-Guided Three-Dimensional Conformal Radiotherapy Alone Using a Field-in-Field Technique
Autor: Kazuhiro Ohtakara, Hiroaki Hoshi
Publikováno v: Case Reports in Oncological Medicine, Vol 2014 (2014)
Radiotherapy for acute metastatic epidural spinal cord compression (MESCC) involves conventional techniques and dose fractionation schemes, as it needs to be initiated quickly. However, even with rapid intervention, few paraplegic patients regain amb
Externí odkaz: https://doaj.org/article/98a22d9895ab4d789373e6ee23c9a06e
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3
Glucose-corrected standardized uptake value in the differentiation of high-grade glioma versus post-treatment changes
Autor: Santosh Kesari, Hiroaki Hoshi, David Piccioni, Asae Nozawa, Carl K. Hoh, Masayuki Kanematsu, Ali Hosseini Rivandi
Publikováno v: Nuclear Medicine Communications
Nuclear medicine communications, vol 36, iss 6
Author(s): Nozawa, Asae; Rivandi, Ali Hosseini; Kanematsu, Masayuki; Hoshi, Hiroaki; Piccioni, David; Kesari, Santosh; Hoh, Carl K | Abstract: BackgroundStandardized uptake values (SUVs) of fluorine-18 fluorodeoxyglucose PET ((18)F-FDG PET) are used
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::576c5497e4f64b2fbc7b72c0f6c5c1f5
http://europepmc.org/articles/PMC4422715
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4
Imaging characteristics of local recurrences after stereotactic body radiation therapy for stage I non-small cell lung cancer: Evaluation of mass-like fibrosis
Autor: Shinya Hayashi, Hiroaki Hoshi, Hidekazu Tanaka
Publikováno v: Thoracic Cancer. 6:186-193
Background This study aimed to evaluate stereotactic body radiation therapy (SBRT) in patients with stage I non-small cell lung cancer (NSCLC) in terms of radiation-induced changes and computed tomography (CT) features of local recurrence by 18F-fluo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::361dda40cfa46553cd2f7e3f2d0c3dc8
https://doi.org/10.1111/1759-7714.12162
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6
Target volume geometric change and/or deviation from the cranium during fractionated stereotactic radiotherapy for brain metastases: Potential pitfalls in image guidance based on bony anatomy alignment
Autor: Hiroaki Hoshi, Kazuhiro Ohtakara
Publikováno v: Journal of Medical Imaging and Radiation Oncology. 58:729-736
Introduction This study sought to evaluate the potential geometrical change and/or displacement of the target relative to the cranium during fractionated stereotactic radiotherapy (FSRT) for treating newly developed brain metastases. Methods For 16 p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f2b42f13910ef83d6a9944c14a19b5a7
https://doi.org/10.1111/1754-9485.12194
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7
Impact of respiratory motion on breast tangential radiotherapy using the field-in-field technique compared to irradiation using physical wedges
Autor: Kazuhiro Ohtakara, Hidekazu Tanaka, Hiroaki Hoshi, Shinya Hayashi
Publikováno v: Radiology and Oncology
Background. This study aimed to evaluate whether the field-in-field (FIF) technique was more vulnerable to the impact of respiratory motion than irradiation using physical wedges (PWs). Patients and methods. Ten patients with early stage breast cance
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e47af918ac21ece87f8373aec0a921ed
https://doi.org/10.2478/raon-2013-0032
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8
Development and evaluation of statistical shape modeling for principal inner organs on torso CT images
Autor: Shoji Kido, Xiangrong Zhou, Ryujiro Yokoyama, Hiroaki Hoshi, Hiroshi Fujita, Rui Xu, Masayuki Kanematsu, Takeshi Hara, Yasushi Hirano
Publikováno v: Radiological Physics and Technology. 7:277-283
The shapes of the inner organs are important information for medical image analysis. Statistical shape modeling provides a way of quantifying and measuring shape variations of the inner organs in different patients. In this study, we developed a univ
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8019d3028e3d81304b24646a1f511b8b
https://doi.org/10.1007/s12194-014-0261-6
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9
Stereotactic Radiotherapy Planning Using Modified Dynamic Conformal Arcs under Considering the Possibility for Amended Visual Organ Displacement Resulting from Early Tumor Shrinkage during Treatment for Perioptic Involvement of Myeloma
Autor: Kazuhiro Ohtakara, Hiroaki Hoshi
Publikováno v: International Journal of Medical Physics, Clinical Engineering and Radiation Oncology. :183-192
Treatment planning of radiotherapy for skull base involvement of multiple myeloma presenting with visual impairment should be optimized to alleviate symptoms immediately and sufficiently while minimizing toxicities. Two such patients were treated wit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc15f57d6436be8657f40f81d8a0c28e
https://doi.org/10.4236/ijmpcero.2014.33024
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10
Pretreatment maximum standardized uptake value on 18F-fluorodeoxyglucose positron emission tomography is a predictor of outcome for stage I non-small cell lung cancer after stereotactic body radiotherapy
Autor: Shinya Hayashi, Hiroaki Hoshi, Hidekazu Tanaka
Publikováno v: Asia-Pacific Journal of Clinical Oncology. 12:e113-e117
Aims Stereotactic body radiotherapy (SBRT) is commonly considered an important treatment option for patients with stage I non-small cell lung cancer (NSCLC) who have contraindications for surgery or refuse surgery. Many studies have reported that the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e691af93832e983d31a79671260d339
https://doi.org/10.1111/ajco.12128
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