Magnetic Resonance Imaging of Brain Abscess With Hemorrhage : Implications for the Mechanism of Hemorrhage
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概要
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A 68-year-old woman presented with an extremely rare brain abscess associated with old and acute hemorrhages manifesting as gradual onset of symptoms of headache and fever. Magnetic resonance imaging clearly visualized the hemorrhage as heterogeneously hyperintense on diffusion-weighted imaging, concentric hypo-isointense on T_1-weighted imaging, and homogeneously hyperintense with a hypointense rim on T_2^*-weighted imaging. T_1-weighted imaging with contrast medium revealed a well-enhanced cyst wall. In spite of treatment with antibiotics, the neurological status of the patient deteriorated due to expansion of the abscess and perifocal edema. Needle aspiration of the cyst yielded bloody purulent fluid. The magnetic resonance imaging findings indicate that neovascularization of the cyst wall is involved in the mechanism of hemorrhage in brain abscess. Careful follow-up examinations are recommended in patients with brain abscess to detect warning signs of neurological deterioration.
- 2007-11-15
著者
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TERAKAWA Yuzo
Department of Neurosurgery, Osaka City University Graduate School of Medicine
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SAITO Toshio
Department of Chemical Engineering, Faculty of Engineering, Iwate University
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Yamagata Toru
Department Of Neurosurgery Higashisumiyoshi Morimoto Hospital
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Takami Toshihiro
Department Of Neurosurgery Osaka City University Graduate School Of Medicine
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Takami Toshihiro
Department Of Mechanical Engineering Faculty Of Engineering Okayama University Of Science
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Terakawa Yuzo
Department Of Neurosurgery Osaka City University Graduate School Of Medicine
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Terakawa Yuzo
Department Of Neurosurgery Graduate Of Medicine Osaka City University
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NAKANISHI Naruhiko
Department of Neurosurgery, Higashisumiyoshi Morimoto Hospital
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Nakanishi Naruhiko
Department Of Neurosurgery Higashisumiyoshi Morimoto Hospital
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Saito Toshio
Department Of Neurosurgery Higashisumiyoshi Morimoto Hospital
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Saito Toshio
Department Of Chemical Engineering Faculty Of Engineering Iwate University
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TAKAMI Toshihiro
Department of Neurosurgery, Osaka City University Graduate School of Medicine
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