Stereotactic radiosurgery for patients with multiple brain metastases (JLGK0901): a multi-institutional prospective observational study

…, H Kenai, A Moriki, S Suzuki, Y Kida, Y Iwai… - The Lancet …, 2014 - thelancet.com
Background We aimed to examine whether stereotactic radiosurgery without whole-brain
radiotherapy (WBRT) as the initial treatment for patients with five to ten brain metastases is non-…

Diagnostic accuracy of 11C-methionine PET for differentiation of recurrent brain tumors from radiation necrosis after radiotherapy

Y Terakawa, N Tsuyuguchi, Y Iwai… - Journal of Nuclear …, 2008 - Soc Nuclear Med
We evaluated the diagnostic accuracy of PET with l-methyl- 11 C-methionine ( 11 C-MET)
for the differentiation of recurrent brain tumors from radiation necrosis. Methods: Seventy-…

Methionine positron emission tomography of recurrent metastatic brain tumor and radiation necrosis after stereotactic radiosurgery: is a differential diagnosis possible …

N Tsuyuguchi, I Sunada, Y Iwai, K Yamanaka… - Journal of …, 2003 - thejns.org
Object. In this study the authors examined how to differentiate radiation necrosis from
recurrent metastatic brain tumor following stereotactic radiosurgery by using positron emission …

Methionine positron emission tomography for differentiation of recurrent brain tumor and radiation necrosis after stereotactic radiosurgery—In malignant glioma—

N Tsuyuguchi, T Takami, I Sunada, Y Iwai… - Annals of nuclear …, 2004 - Springer
Object Following stereotactic radiosurgery (SRS), we examined how to differentiate radiation
necrosis from recurrent malignant glioma using positron emission tomography (PET) with …

Surgery combined with radiosurgery of large acoustic neuromas

Y Iwai, K Yamanaka, T Ishiguro - Surgical neurology, 2003 - Elsevier
BACKGROUND: The treatment of acoustic neuromas has been improved by advancements
in microsurgical techniques and in radiosurgery. To further elucidate the degree of clinical …

DNA mismatch repair protein (MSH6) correlated with the responses of atypical pituitary adenomas and pituitary carcinomas to temozolomide: the national cooperative …

…, S Takano, K Amano, O Isozaki, Y Iwai… - The Journal of …, 2013 - academic.oup.com
Context: Temozolomide (TMZ) is an alkylating agent and was a first-line chemotherapeutic
agent for malignant gliomas. Recently, TMZ has been documented to be effective against …

Gamma knife radiosurgery for the treatment of cavernous sinus meningiomas

Y Iwai, K Yamanaka, T Ishiguro - Neurosurgery, 2003 - journals.lww.com
METHODS: Between January 1994 and December 1999, we used gamma knife radiosurgery
for the treatment of 43 patients with cavernous sinus meningiomas. Forty-two patients were …

Radiosurgery for acoustic neuromas: results of low-dose treatment

Y Iwai, K Yamanaka, M Shiotani, T Uyama - Neurosurgery, 2003 - journals.lww.com
OBJECTIVE: The results of radiosurgical treatment of acoustic neuromas have improved by
reducing the tumor marginal doses. We report relatively long-term follow-up results (> 5 yr) …

Gamma Knife radiosurgery for skull base meningioma: long-term results of low-dose treatment

Y Iwai, K Yamanaka, H Ikeda - Journal of neurosurgery, 2008 - thejns.org
Object In this study, the authors evaluate the long-term results after Gamma Knife radiosurgery
of cranial base meningiomas. This study is a follow-up to their previously published report …

Functional preservation after planned partial resection followed by gamma knife radiosurgery for large vestibular schwannomas

Y Iwai, K Ishibashi, Y Watanabe, G Uemura… - World neurosurgery, 2015 - Elsevier
Objective The treatment goal for vestibular schwannomas (VS) has been changed from total
removal of the tumor to functional preservation with long-term tumor growth control. The …