Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Ikuo Sakuma"'
Autor:
Makoto Sugawara, Kazuo Mizoi, Noriaki Tomura, Ikuo Sakuma, Satoshi Takahashi, Takahiro Otani, Toshiharu Yanagisawa, Toshiaki Nisii, Makoto Koga
Publikováno v:
Journal of Neuroimaging. 21:10-15
BACKGROUND AND PURPOSE The use of 3-dimensional computed tomography angiography (3D-CTA) for clipped aneurysms is limited. Usefulness of 3D-CTA with elimination of bone and clips was evaluated in patients with clipped cerebral aneurysms. METHODS Fort
Autor:
Jiro Watarai, Yuichiro Naito, Takahiro Otani, Toshiharu Yanagisawa, Satoshi Takahashi, Kazuo Mizoi, Ikuo Sakuma, Noriaki Tomura, Makoto Koga
Publikováno v:
Journal of Neuroendovascular Therapy. 3:106-111
Autor:
Takahiro Otani, Noriaki Tomura, Satoshi Takahashi, Jiro Watarai, Toshiaki Nishii, Ikuo Sakuma
Publikováno v:
Japanese Journal of Radiology. 27:31-36
Bone elimination is needed for computed tomography angiography (CTA) because bone structures obscure aneurysms located at the skull base. The purpose of our study was to evaluate the efficacy of three-dimensional (3D)-CTA using an application for bon
Autor:
K. Yasuda, Koumei Narita, Ikuo Sakuma, Noriaki Tomura, Toshiaki Nishii, Satoshi Takahashi, Takahiro Otani, Jiro Watarai
Publikováno v:
Acta Radiologica. 48:1032-1037
Background: The usefulness of fast fluid-attenuated inversion-recovery (FLAIR) sequences after administration of contrast medium (f-FLAIR (+)) has been shown in depicting brain tumors including metastases and meningeal carcinomatosis. Contrast-enhanc
Autor:
Jiro Watarai, Noriaki Tomura, H. Kitani, Satoshi Takahashi, Ikuo Sakuma, Koki Kato, Kazuhumi Sasaki
Publikováno v:
Acta Radiologica. 47:1073-1078
Purpose: To evaluate the correlation of stump pressure during balloon occlusion test and relative cerebral blood flow (relative CBF) as measured by 99mTc-hexamethylpropyleneamine oxime (99mTc-HMPAO) single-photon emission computed tomography (SPECT)
Autor:
Osamu Watanabe, Toshiaki Nishii, Takahiro Otani, Satoshi Takahashi, Jiro Watarai, Ikuo Sakuma, Noriaki Tomura
Publikováno v:
Annals of Nuclear Medicine. 20:107-114
Comparison of 201Tl chloride SPECT (TI-SPECT) with 99mTc-MIBI SPECT (MIBI-SPECT) in the depiction of malignant head and neck tumors was prospectively studied.Forty-one patients with various tumors of the head and neck were included in this prospectiv
Autor:
Takahiro Otani, Satoshi Takahashi, Toshiharu Yanagisawa, Noriaki Tomura, Jiro Watarai, Kazuo Mizoi, Ikuo Sakuma, K. Yasuda, Hiroyuki Kinouchi
Publikováno v:
Interventional Neuroradiology. 12:167-173
Digital subtraction angiography (DSA) and magnetic resonance imaging (MRI) findings in 20 patients with carotid-cavernous fistula (CCF; 3 direct CCFs and 17 indirect CCFs) were retrospectively reviewed to evaluate venous drainage patterns that may ca
Autor:
Ikuo Sakuma, Noriaki Tomura, Koichi Omachi, Jiro Watarai, Kazuo Mizoi, Satoshi Takahashi, Takahiro Otani
Publikováno v:
European Radiology. 15:1694-1700
The present study evaluated the venous anatomy of the craniocervical junction, focusing on the suboccipital cavernous sinus (SCS), a vertebral venous plexus surrounding the horizontal portion of the vertebral artery at the skull base. MR imaging was
Autor:
Muneki Sasaki, Koumei Narita, Noriaki Tomura, Hidemi Shimizu, Hatsuo Miura, Ikuo Sakuma, Keiko Hatakeyama, Tomohiko Saitou, Toshio Sasajima, Wataru Sakurada, Jiro Watarai, Hironobu Sasaki
Publikováno v:
Japanese Journal of Radiological Technology. 61:1341-1348
Three-dimensional imaging with MRI is a useful method for neurosurgical simulations. As in our previous study, we have constructed three-dimensional surface anatomical scanning (3D-SAS) from the data of contrast enhanced 3D fast spoiled gradient reca
Autor:
Akira Suzuki, Takahiro Otani, Kazuo Mizoi, Junichi Izumi, Satoshi Takahashi, Akira Anbai, Ikuo Sakuma, Jiro Watarai, Koichi Omachi, Noriaki Tomura
Publikováno v:
CMIG Extra: Cases. 28:73-79
In 216 patients who underwent stereotactic irradiation (STI), MRI was performed 4–12 times for 17–29 months after STI. Frequency of new radiation-induced lesions more than 2 cm in diameter on sequential MRI following STI, and characteristics on s