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Dive into the research topics where Ichiro Fujimura is active.

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Featured researches published by Ichiro Fujimura.


Neurological Research | 2000

Spontaneous disappearance and reappearance of a ruptured cerebral aneurysm: one case found in a group of 33 consecutive patients with subarachnoid hemorrhage who underwent repeat angiography.

Yoshikazu Nakajima; Toshiki Yoshimine; Hiroshi Mori; Kana Nakamuta; Ichiro Fujimura; Keiji Sakashita; Eiji Kohmura; Hayakawa T; Junichiro Yokota

Abstract The spontaneous disappearance and reappearance of a ruptured cerebral aneurysm is generally assumed to be a rare phenomenon although the actual Incidence Is unknown. Among 39 consecutive cases of acute subarachnoid hemorrhage (SAH), 33 were studied by three-dimensional computed tomographic angiography (CTA) within 6 h after the onset of SAH, followed by digital subtraction angiography (DSA) within 24 h after the ictus. Of those patients, one, a 58-year-old woman, had a saccular aneurysm at the distal anterior cerebral artery; the aneurysm was clearly demonstrated by CTA 2.5 h after the SAH onset, but was not shown by a subsequent DSA performed 8.5 h after the ictus. A follow-up DSA detected the neck of aneurysm on day 11, and the whole aneurysm was visualized on day 19. The observations in this particular case suggest that the spontaneous disappearance of a ruptured cerebral aneurysm may occur during the ultra-early stage of SAH and that reappearance may follow during the next few weeks. The patient did not suffer complications such as vasospasm or systemic hypotension nor was she treated with antifibrinolytic agents. The aneurysmal shape and the surrounding clot are considered as putative factors possibly related to the intermittent appearance of the aneurysm. [Neurol Res 2000; 22: 583-587]


American Journal of Roentgenology | 2001

Successful Evaluation of Pseudoaneurysm Formation After Blunt Renal Injury with Dual-Phase Contrast-Enhanced Helical CT

Yasumitsu Mizobata; Junichiro Yokota; Ichiro Fujimura; Keiji Sakashita


Japanese Journal of Radiological Technology | 1998

Detectability of intraperitoneal extravasation in X-ray CT examination and Digital Subtraction Angiography : a clinical study

Kenji Sagara; Shigeaki Nishiike; Ichiro Fujimura; Keiji Sakashita


Japanese Journal of Radiological Technology | 1998

Utilization of Digital Value to Observe Chest Computed Radiography

Shigeaki Nishiike; Kenji Sagara; Ichiro Fujimura; Keiji Sakashita


Japanese Journal of Radiological Technology | 1998

Development of a Synchronous CT System with Respiration

Ichiro Fujimura; Shigeaki Nishiike; Kenji Sagara; Keiji Sakashita; Syuji Tsuchiya


Japanese Journal of Radiological Technology | 1997

286 The Fundamental Investigation of Magnificated Rotational Angiography

Kenji Sagara; Shigeaki Nishiike; Ichiro Fujimura; Keiji Sakashita


Japanese Journal of Radiological Technology | 1997

Fundamental investigation for a synchronous CT system with ventilator

Keiji Sakashita; Kenji Sagara; Shigeaki Nishiike; Ichiro Fujimura


Japanese Journal of Radiological Technology | 1997

Estimation of cerebral vascularity using Pulsatility Index and Resistance Index

Keiji Sakashita; Kenji Sagara; Shigeaki Nishiike; Ichiro Fujimura


Japanese Journal of Radiological Technology | 1997

The influence intravascular contrast media injection in angiography

Kenji Sagara; Shigeaki Nishiike; Ichiro Fujimura; Keiji Sakashita


Japanese Journal of Radiological Technology | 1996

Detectability of intraperitoneal extravasation in X-ray CT examination and Digital Subtraction Angiography

Kenji Sagara; Shigeaki Nishiike; Ichiro Fujimura; Keiji Sakashita

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