All Stories

  1. Gamma Knife Radiosurgery For Brain Vascular Malformations: Current Evidence And Future Tasks

    Article • Therapeutics and Clinical Risk Management, November 2019, Taylor & Francis

    Masaaki Yamamoto, Hirotaka Hasegawa

  2. Signal intensity increases in dentate nucleus/globus pallidus/pulvinar on unenhanced T1WI MR images after multiple examinations with gadodiamide

    Article • The Neuroradiology Journal, March 2019, SAGE Publications

    Masaaki Yamamoto

  3. Prognostic grading system specifically for elderly patients with brain metastases after stereotactic radiosurgery: a 2-institution study

    Article • Journal of Neurosurgery, December 2018, Journal of Neurosurgery Publishing Group (JNSPG)

    Masaaki Yamamoto

  4. Three-stage Gamma Knife treatment for metastatic brain tumors larger than 10 cm3: a 2-institute study including re-analyses of earlier results using competing risk analysis

    Article • Journal of Neurosurgery, December 2018, Journal of Neurosurgery Publishing Group (JNSPG)

    Masaaki Yamamoto

  5. Modern management for brain metastasis patients using stereotactic radiosurgery: literature review and the authors’ gamma knife treatment experiences

    Article • Cancer Management and Research, July 2018, Dove Medical Press

    Yoshinori Higuchi, Masaaki Yamamoto

  6. Stereotactic radiosurgery for vestibular schwannomas: average 10-year follow-up results focusing on long-term hearing preservation

    Article • Journal of Neurosurgery, December 2016, Journal of Neurosurgery Publishing Group (JNSPG)

    Masaaki Yamamoto

  7. Stereotactic radiosurgery for intracranial hemangioblastomas: a retrospective international outcome study

    Article • Journal of Neurosurgery, June 2015, Journal of Neurosurgery Publishing Group (JNSPG)

    Dr David Mathieu, Douglas Kondziolka, Satoshi Suzuki, Masaaki Yamamoto, Mitsuya Sato, Yukihiko Kohda

  8. Stereotactic radiosurgery for patients with multiple brain metastases: a case-matched study comparing treatment results for patients with 2–9 versus 10 or more tumors

    Article • Journal of Neurosurgery, December 2014, Journal of Neurosurgery Publishing Group (JNSPG)

    Masaaki Yamamoto

  9. Stereotactic radiosurgery for brain metastases: a case-matched study comparing treatment results for patients 80 years of age or older versus patients 65–79 years of age

    Article • Journal of Neurosurgery, November 2014, Journal of Neurosurgery Publishing Group (JNSPG)

    Yoshinori Higuchi, Takuya Kawabe, Shinya Watanabe, Masaaki Yamamoto

  10. Expansion of CD133-positive glioma cells in recurrent de novo glioblastomas after radiotherapy and chemotherapy

    Article • Journal of Neurosurgery, November 2013, Journal of Neurosurgery Publishing Group (JNSPG)

    Dr. Takahiro Ogishima, Dr Masaru Aoyagi, Dr. Kikuo Ohno, Masaaki Yamamoto, Hiroaki Wakimoto

  11. A case-matched study of stereotactic radiosurgery for patients with multiple brain metastases: comparing treatment results for 1–4 vs ≥ 5 tumors

    Article • Journal of Neurosurgery, June 2013, Journal of Neurosurgery Publishing Group (JNSPG)

    Yoshinori Higuchi, Takuya Kawabe, Masaaki Yamamoto

  12. Long-term follow-up results of intentional 2-stage Gamma Knife surgery with an interval of at least 3 years for arteriovenous malformations larger than 10 cm3

    Article • Journal of Neurosurgery, December 2012, Journal of Neurosurgery Publishing Group (JNSPG)

    Masaaki Yamamoto

  13. Accumulation of CD133-positive glioma cells after high-dose irradiation by Gamma Knife surgery plus external beam radiation

    Article • Journal of Neurosurgery, August 2010, Journal of Neurosurgery Publishing Group (JNSPG)

    Dr Masaru Aoyagi, Masaaki Yamamoto, Hiroaki Wakimoto

  14. Gamma Knife radiosurgery for hemangiomas of the cavernous sinus: a seven-institute study in Japan

    Article • Journal of Neurosurgery, April 2010, Journal of Neurosurgery Publishing Group (JNSPG)

    Masaaki Yamamoto