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8 Result(s)

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  1. No Access

    Article

    Comparison of 4 MV photon surface dose among Varian, Siemens, and Elekta linear accelerators for tangential breast treatment: a phantom study

    We have compared the differences in a 4-MV photon surface dose among Varian, Siemens, and Elekta linear accelerators (linacs) with wedges for tangential breast treatment.

    Satoshi Yamaguchi, Kumiko Karasawa, Tomohisa Furuya, Takayuki Fujita… in Radiation Medicine (2007)

  2. No Access

    Article

    Comparing size evaluation methods for acoustic neuroma after stereotactic radiosurgery

    Acoustic neuroma tumor size may be evaluated using several methods. Here we investigate the variations among measuring techniques.

    Anneyuko I. Saito, Christopher G. Morris, Kana Ito, Futoshi Watanabe… in Radiation Medicine (2007)

  3. No Access

    Article

    Full-dose capecitabine with local radiotherapy: one of the treatment options for inoperable T4 breast cancer

    A 48-year-old woman presented with a 15-cm diameter tumor in her left breast with fixation to the chest wall and palpable axillary lymph nodes. Pathology study showed pure-type mucinous carcinoma. Pretreatment...

    Hisako Hirowatari, Kumiko Karasawa, Hiromi Izawa, Kana Ito… in Japanese Journal of Radiology (2011)

  4. No Access

    Article

    Comparison of total MU and segment areas in VMAT and step-and-shoot IMRT plans

    We compared treatment plans for volumetric intensity-modulated arc therapy (VMAT) and step-and-shoot intensity-modulated radiation therapy (IMRT) in terms of their monitor unit (MU) and segment area at each co...

    Motohiro Kawashima, Shuichi Ozawa, Akihiro Haga… in Radiological Physics and Technology (2013)

  5. No Access

    Article

    First experience of carbon-ion radiotherapy for early breast cancer

    Breast cancer is increasingly being detected at earlier stages, and partial breast irradiation for patients with low-risk-group tumor has come to be applied in the US and Europe as an alternative to whole-bre...

    Hiroko Akamatsu, Kumiko Karasawa, Tokuhiko Omatsu… in Japanese Journal of Radiology (2014)

  6. No Access

    Article

    The current status of education and career paths of students after completion of medical physicist programs in Japan: a survey by the Japanese Board for Medical Physicist Qualification

    To standardize educational programs and clinical training for medical physics students, the Japanese Board for Medical Physicist Qualification (JBMP) began to accredit master’s, doctorate, and residency progra...

    Noriyuki Kadoya, Kumiko Karasawa, Iori Sumida… in Radiological Physics and Technology (2015)

  7. No Access

    Article

    One shot of carbon-ion radiotherapy cured a 6-cm chemo-resistant metastatic liver tumor: a case of breast cancer

    The standard treatment for metastatic liver tumor from breast cancer is systemic medical treatment, and there is controversy regarding the value of local treatment. However, there are some exceptional cases th...

    Mayumi Harada, Kumiko Karasawa, Shigeo Yasuda… in Japanese Journal of Radiology (2015)

  8. Article

    Open Access

    Involved-field radiotherapy in older patients with superficial thoracic esophageal squamous cell carcinoma: long-term outcomes and recurrence patterns

    An optimal radiotherapy field for superficial esophageal carcinoma is yet to be established. We evaluated the long-term outcomes and recurrence patterns of involved-field radiotherapy (IFRT) in older patients ...

    Sawa Kono, Yaichiro Hashimoto, Kenta Ohmatsu, Miki Tsujii… in Japanese Journal of Radiology (2024)

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