Masaharu Hata

Summary

Country: Japan

Publications

  1. pmc Proton beam therapy for hepatocellular carcinoma patients with severe cirrhosis
    Masaharu Hata
    Proton Medical Research Center, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Strahlenther Onkol 182:713-20. 2006
  2. doi request reprint Radiation therapy for pelvic lymph node metastasis from uterine cervical cancer
    Masaharu Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan Electronic address
    Gynecol Oncol 131:99-102. 2013
  3. doi request reprint Efficacy and toxicity of (chemo)radiotherapy for primary subglottic cancer
    M Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, 3 9 Fukuura, Kanazawa Ku, 236 0004, Yokohama, Japan
    Strahlenther Onkol 189:26-32. 2013
  4. doi request reprint Radiation therapy for primary carcinoma of the eyelid: tumor control and visual function
    M Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, 3 9 Fukuura, Kanazawa Ku, 236 0004, Yokohama, Kanagawa, Japan
    Strahlenther Onkol 188:1102-7. 2012
  5. doi request reprint The role of radiation therapy for uterine cervical cancer with distant metastasis
    Masaharu Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
    Oncology 83:67-74. 2012
  6. ncbi request reprint Definitive radiation therapy for extramammary Paget's disease
    Masaharu Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, 236 0004 Japan
    Anticancer Res 32:3315-20. 2012
  7. doi request reprint Treatment effects and sequelae of radiation therapy for orbital mucosa-associated lymphoid tissue lymphoma
    Masaharu Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
    Int J Radiat Oncol Biol Phys 81:1387-93. 2011
  8. doi request reprint Noninvasive and curative radiation therapy for sebaceous carcinoma of the eyelid
    Masaharu Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
    Int J Radiat Oncol Biol Phys 82:605-11. 2012
  9. ncbi request reprint Hypofractionated high-dose proton beam therapy for stage I non-small-cell lung cancer: preliminary results of a phase I/II clinical study
    Masaharu Hata
    Proton Medical Research Center, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Int J Radiat Oncol Biol Phys 68:786-93. 2007
  10. ncbi request reprint Prophylactic cranial irradiation of acute lymphoblastic leukemia in childhood: outcomes of late effects on pituitary function and growth in long-term survivors
    M Hata
    Department of Radiology, Yokohama City University, School of Medicine, Yokohama, Japan
    Int J Cancer 96:117-24. 2001

Collaborators

Detail Information

Publications39

  1. pmc Proton beam therapy for hepatocellular carcinoma patients with severe cirrhosis
    Masaharu Hata
    Proton Medical Research Center, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Strahlenther Onkol 182:713-20. 2006
    ..However, the survival of severe cirrhotic patients has recently improved due to advanced treatments. The aim of this study was to define the role of proton beam therapy for HCC patients with severe cirrhosis...
  2. doi request reprint Radiation therapy for pelvic lymph node metastasis from uterine cervical cancer
    Masaharu Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan Electronic address
    Gynecol Oncol 131:99-102. 2013
    ..This study aimed to evaluate the efficacy of radiation therapy for pelvic lymph node metastasis from uterine cervical cancer and identify an optimal radiation regimen...
  3. doi request reprint Efficacy and toxicity of (chemo)radiotherapy for primary subglottic cancer
    M Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, 3 9 Fukuura, Kanazawa Ku, 236 0004, Yokohama, Japan
    Strahlenther Onkol 189:26-32. 2013
    ..Primary subglottic cancer is a rare malignancy. We investigated the efficacy and toxicity of radiotherapy for subglottic cancer...
  4. doi request reprint Radiation therapy for primary carcinoma of the eyelid: tumor control and visual function
    M Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, 3 9 Fukuura, Kanazawa Ku, 236 0004, Yokohama, Kanagawa, Japan
    Strahlenther Onkol 188:1102-7. 2012
    ..We therefore investigated the efficacy and safety of radiation therapy in eyelid carcinoma...
  5. doi request reprint The role of radiation therapy for uterine cervical cancer with distant metastasis
    Masaharu Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
    Oncology 83:67-74. 2012
    ..We carried out a review to determine the role of radiation therapy in uterine cervical cancer with distant metastasis...
  6. ncbi request reprint Definitive radiation therapy for extramammary Paget's disease
    Masaharu Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, 236 0004 Japan
    Anticancer Res 32:3315-20. 2012
    ..Extramammary Paget's disease (EMPD) is frequently inoperable because of old age and/or coexisting disease. We therefore reviewed the efficacy and toxicity of radiation therapy for EMPD...
  7. doi request reprint Treatment effects and sequelae of radiation therapy for orbital mucosa-associated lymphoid tissue lymphoma
    Masaharu Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
    Int J Radiat Oncol Biol Phys 81:1387-93. 2011
    ..We performed a review to ascertain treatment efficacy and toxicity of radiation therapy for orbital MALT lymphoma. We also evaluated changes in visual acuity after irradiation...
  8. doi request reprint Noninvasive and curative radiation therapy for sebaceous carcinoma of the eyelid
    Masaharu Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
    Int J Radiat Oncol Biol Phys 82:605-11. 2012
    ..We therefore carried out a study to determine the role of radiation therapy in relation to sebaceous carcinoma of the eyelid...
  9. ncbi request reprint Hypofractionated high-dose proton beam therapy for stage I non-small-cell lung cancer: preliminary results of a phase I/II clinical study
    Masaharu Hata
    Proton Medical Research Center, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Int J Radiat Oncol Biol Phys 68:786-93. 2007
    ..To present treatment outcomes of hypofractionated high-dose proton beam therapy for Stage I non-small-cell lung cancer (NSCLC)...
  10. ncbi request reprint Prophylactic cranial irradiation of acute lymphoblastic leukemia in childhood: outcomes of late effects on pituitary function and growth in long-term survivors
    M Hata
    Department of Radiology, Yokohama City University, School of Medicine, Yokohama, Japan
    Int J Cancer 96:117-24. 2001
    ....
  11. ncbi request reprint Proton beam therapy for aged patients with hepatocellular carcinoma
    Masaharu Hata
    Proton Medical Research Center, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Int J Radiat Oncol Biol Phys 69:805-12. 2007
    ..To investigate the safety and efficacy of proton beam therapy for aged patients with hepatocellular carcinoma (HCC)...
  12. ncbi request reprint Proton irradiation in a single fraction for hepatocellular carcinoma patients with uncontrollable ascites. Technical considerations and results
    Masaharu Hata
    Proton Medical Research Center, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Strahlenther Onkol 183:411-6. 2007
    ..To present technical considerations and results of proton irradiation in a single fraction for hepatocellular carcinoma (HCC) patients with uncontrollable ascites...
  13. ncbi request reprint Malignant myoepithelioma in the maxillary sinus: case report and review of the literature
    Masaharu Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, 3 9 Fukuura, Kanazawa Ku, Yokohama, Kanagawa 236 0004, Japan
    Anticancer Res 29:497-501. 2009
    ..No therapy-related severe toxicities were observed. A rare case with malignant myoepithelioma in the maxillary sinus was successfully treated with radiation therapy...
  14. doi request reprint Role of radiotherapy as curative treatment of extramammary Paget's disease
    Masaharu Hata
    Department of Radiology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
    Int J Radiat Oncol Biol Phys 80:47-54. 2011
    ..However, surgery is sometimes not possible, because many patients are elderly, and complete excision can be difficult owing to the tumor location. We, therefore, performed a review to determine the role of radiotherapy (RT) for EMPD...
  15. ncbi request reprint Proton beam therapy for hepatocellular carcinoma with limited treatment options
    Masaharu Hata
    Proton Medical Research Center, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Cancer 107:591-8. 2006
    ..The authors conducted a retrospective review to define the usefulness of proton beam therapy for patients who had hepatocellular carcinoma (HCC) with limited treatment options...
  16. ncbi request reprint Proton beam therapy for invasive bladder cancer: a prospective study of bladder-preserving therapy with combined radiotherapy and intra-arterial chemotherapy
    Masaharu Hata
    Proton Medical Research Center, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Int J Radiat Oncol Biol Phys 64:1371-9. 2006
    ..To present outcomes of bladder-preserving therapy with proton beam irradiation in patients with invasive bladder cancer...
  17. ncbi request reprint Intramedullary spinal cord germinoma: case report and review of the literature
    Masaharu Hata
    Department of Radiology, Yokohama City University, School of Medicine, 3 9 Fukuura, Kanazawa Ku, Yokohama, 236 0004 Japan
    Radiology 223:379-83. 2002
    ..The authors believe this is the first case without syncytiotrophoblastic giant cells so treated. The literature is reviewed, and the appearance, radiologic and histopathologic features, and treatment of germinomas are discussed...
  18. ncbi request reprint Proton beam therapy for hepatocellular carcinoma with portal vein tumor thrombus
    Masaharu Hata
    Proton Medical Research Center, University of Tsukuba, Tsukuba, Japan
    Cancer 104:794-801. 2005
    ..The authors conducted a retrospective review to determine the role of proton beam therapy in the treatment of patients who had HCC with PVTT...
  19. ncbi request reprint Explanation for the failure of neoadjuvant chemotherapy to improve outcomes after radiotherapy for locally advanced uterine cervical cancer from the standpoint of the tumor regression rate
    Kiyoshi Ohara
    Department of Radiation Oncology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1 1 1 Tennoudai, Tsukuba 305 8575, Japan
    Radiat Med 25:53-9. 2007
    ..We investigated the reason for this failure from the standpoint of the tumor regression rate (RR)...
  20. ncbi request reprint Repeated proton beam therapy for hepatocellular carcinoma
    Takayuki Hashimoto
    Proton Medical Research Center, Institute of Clinical Medicine, University of Tsukuba, Ibaraki, Japan
    Int J Radiat Oncol Biol Phys 65:196-202. 2006
    ..To retrospectively evaluate the safety and effectiveness of repeated proton beam therapy for newly developed or recurrent hepatocellular carcinoma (HCC)...
  21. ncbi request reprint Proton beam therapy for hepatocellular carcinoma with inferior vena cava tumor thrombus: report of three cases
    Masashi Mizumoto
    Proton Medical Research Center, University of Tsukuba, Tennoudai, Tsukuba, Ibaraki, Japan
    Jpn J Clin Oncol 37:459-62. 2007
    ..These cases suggest that proton beam therapy is safe and effective for patients with HCC associated with IVCTT...
  22. ncbi request reprint Clinical results of proton beam therapy for cancer of the esophagus
    Shinji Sugahara
    Department of Radiation Oncology, Institute of Clinical Medicine, University of Tsukuba, Tennodai, Tsukuba, Ibaraki, Japan
    Int J Radiat Oncol Biol Phys 61:76-84. 2005
    ..To present the results of proton beam therapy for patients with esophageal cancer...
  23. ncbi request reprint Proton therapy for head and neck malignancies at Tsukuba
    Koichi Tokuuye
    Department of Radiation Oncology, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan
    Strahlenther Onkol 180:96-101. 2004
    ..To evaluate the effectiveness and feasibility of proton therapy for head and neck cancers...
  24. ncbi request reprint Early determination of uterine cervical squamous cell carcinoma radioresponse identifies high- and low-response tumors
    Kiyoshi Ohara
    Department of Radiation Oncology, Institute of Clinical Medicine, University of Tsukuba, Tsukuba, Japan
    Int J Radiat Oncol Biol Phys 64:1179-82. 2006
    ..To investigate whether early-assessed radioresponse of tumors corresponds with late-assessed radioresponse, which is associated with local disease control in radiotherapy (RT) for cervical cancer...
  25. ncbi request reprint [Initial experience of proton beam therapy at the new facility of the University of Tsukuba]
    Kenji Kagei
    Proton Medical Research Center, Department of Radiation Oncology, University Hospital, University of Tsukuba
    Nihon Igaku Hoshasen Gakkai Zasshi 64:225-30. 2004
    ..To present the initial experience with proton beam therapy at the new Proton Medical Research Center (PMRC) of the University of Tsukuba...
  26. ncbi request reprint Proton beam therapy for hepatocellular carcinoma: a retrospective review of 162 patients
    Toshiya Chiba
    Department of Gastroenterology, Institute of Clinical Medicine, University of Tsukuba, Ibaraki, Japan
    Clin Cancer Res 11:3799-805. 2005
    ..We present results of patients with hepatocellular carcinoma (HCC) treated with proton beam therapy...
  27. doi request reprint Treatment outcomes, growth height, and neuroendocrine functions in patients with intracranial germ cell tumors treated with chemoradiation therapy
    Kazumasa Odagiri
    Department of Radiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
    Int J Radiat Oncol Biol Phys 84:632-8. 2012
    ..To identify an optimal GCT treatment strategy, we evaluated treatment outcomes, growth height, and neuroendocrine functions...
  28. ncbi request reprint Classical tandem-source dwelling covering the entire uterus: essential in modern intracavitary radiotherapy for cervical cancer?
    Kiyoshi Ohara
    Department of Radiation Oncology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1 1 1 Tennoudai, Tsukuba, Japan
    Radiat Med 25:386-92. 2007
    ..We investigated whether conventional tandem-source dwelling to cover the entire uterus, classically regarded as the target volume, is necessary in modern intracavitary radiotherapy (ICRT) for cervical cancer...
  29. ncbi request reprint Retrospective comparison of clinical outcome between radiotherapy alone and surgery plus postoperative radiotherapy in the treatment of stages IB-IIB cervical squamous cell carcinoma
    Kiyoshi Ohara
    Department of Radiation Oncology, Tsukuba University Hospital, University of Tsukuba, Tennodai, Tsukuba 305 8575, Japan
    Radiat Med 22:42-8. 2004
    ....
  30. ncbi request reprint Sequential evaluation of hepatic functional reserve by 99mTechnetium-galactosyl human serum albumin scintigraphy after proton beam therapy: a report of three cases and a review of the literatures
    Hiroshi Igaki
    Proton Medical Research Center, University of Tsukuba, Ibaraki, Japan
    Acta Oncol 45:1102-7. 2006
    ..Our observations may be related to the up-regulation of receptor-mediated 99mTc-GSA uptake during hepatic regeneration after proton beam therapy...
  31. ncbi request reprint Clinical results of proton beam therapy for skull base chordoma
    Hiroshi Igaki
    Proton Medical Research Center, University Hospital, University of Tsukuba, Ibaraki, Japan
    Int J Radiat Oncol Biol Phys 60:1120-6. 2004
    ..To evaluate clinical results of proton beam therapy for patients with skull base chordoma...
  32. ncbi request reprint Preliminary estimation of treatment effect on uterine cervical squamous cell carcinoma in terms of tumor regression rate: comparison between chemoradiotherapy and radiotherapy alone
    Kiyoshi Ohara
    Department of Radiation Oncology, Tsukuba University Hospital, University of Tsukuba, Japan
    Radiat Med 23:25-9. 2005
    ..We preliminarily estimated the treatment effect on cervical cancer in terms of the tumor regression rate (TRR) achieved with chemoradiotherapy and radiotherapy alone...
  33. doi request reprint Assessment of tumor hypoxia by 62Cu-ATSM PET/CT as a predictor of response in head and neck cancer: a pilot study
    Yumiko Minagawa
    Department of Radiology, Yokohama City University Graduate School of Medicine, 3 9 Fukuura, Kanazawa Ku, Yokohama, Kanagawa, 236 0004, Japan
    Ann Nucl Med 25:339-45. 2011
    ..We undertook a pilot study in patients with locally advanced head and neck cancer to determine whether there is a relationship between tumor uptake of (62)Cu-ATSM and response to chemoradiotherapy...
  34. ncbi request reprint Chemoradiation as a definitive treatment for cervical lymph node metastases from unknown primary cancer
    Hisashi Kaizu
    Department of Radiology, Yokohama City University Graduate School of Medicine, 3 9 Fukuura, Kanazawa Ku, Yokohama, Kanagawa, 236 0004 Japan
    Anticancer Res 33:5187-92. 2013
    ..To assess the treatment outcomes of chemoradiation for cervical lymph node metastases from an unknown primary site (CUP), and to identify for prognostic factors...
  35. doi request reprint Role of respiratory-gated PET/CT for pancreatic tumors: a preliminary result
    Takeo Kasuya
    Department of Radiology, Yokohama City University Graduate School of Medicine, 3 9, Fukuura, Kanazawa Ku, Yokohama, Kanagawa 236 0004, Japan
    Eur J Radiol 82:69-74. 2013
    ..The aim of this study is to ascertain role of respiratory-gated PET/CT for accurate diagnosis of pancreatic tumors...
  36. doi request reprint F-18 FDG PET/CT evaluation of radiotherapy response in rare case of mucosa-associated lymphoid tissue lymphoma
    Ryogo Minamimoto
    Department of Radiology, Graduate School of Medicine, Yokohama City University, 3 9 Fukuura, Kanazawa Ku, Yokohama, Kanagawa 236 0004, Japan
    Ann Nucl Med 24:115-9. 2010
    ..Neither patient had evidence of recurrence at more than 18 months after RT. FDG PET/CT is useful for indicating the treatment site in MALT lymphoma and in evaluation of therapeutic response following RT...
  37. ncbi request reprint Asymptomatic radiation-induced telangiectasia in children after cranial irradiation: frequency, latency, and dose relation
    Shigeomi Koike
    Department of Radiology, Kanagawa Childrens Medical Center, Yokohama, Japan
    Radiology 230:93-9. 2004
    ..To determine the frequency, dose relation, and latency of radiation-induced telangiectasias in children after cranial irradiation...
  38. ncbi request reprint FDG-PET scanning after radiation can predict tumor regrowth three months later
    Izumi Koike
    Department of Radiology, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
    Int J Radiat Oncol Biol Phys 57:1231-8. 2003
    ..We investigated whether dual-time FDG-PET performed immediately post radiation could predict early regrowth of malignant tumors...
  39. ncbi request reprint Retrograde superselective intra-arterial chemotherapy and daily concurrent radiotherapy for stage III and IV oral cancer: Analysis of therapeutic results in 112 cases
    Kenji Mitsudo
    Department of Oral and Maxillofacial Surgery, Yokohama City University Graduate School of Medicine, Japan Electronic address
    Radiother Oncol 111:306-10. 2014
    ..To evaluate the therapeutic results and rate of organ preservation in patients with stage III or IV oral cancer treated with retrograde superselective intra-arterial chemotherapy and daily concurrent radiotherapy...