Decreased thalamic metabolism without thalamic magnetic resonance imaging abnormalities following shearing injury to the substantia nigra

Akira Nakamizo, Takanori Inamura, Toshiyuki Amano, Satoshi Inoha, Kentaro Tokuda, Osamu Yasuda, Kiyonobu Ikezaki, Masashi Fukui

研究成果: ジャーナルへの寄稿記事

8 引用 (Scopus)

抄録

A 36-year-old man had fallen about 8 metres. Radiographs showed a mandibular fracture, indicating rotatory force applied to the head. Fluid-attenuated inversion recovery (FLAIR) imaging showed hyperintensity in both medial temporal lobes, left medial midbrain, right midbrain including cerebral peduncle, left pulvinar, left external capsule, fornix, splenium of corpus callosum, and deep white matter of both frontal lobes. Quantitative [18F]fluorodeoxyglucose (FDG)-positron emission tomography (PET) indicated markedly suppressed glucose metabolism in the left thalamus but not markedly in the striatum. At that time the neurologic examination demonstrated complete left hemiparesis, severe rigidity of the right upper extremity, and inability to move the right hand and fingers. Levodopa at 300-600mg/day improved movement of the fingers, decreased the rigidity in the extremity, and lessened the metabolic abnormality. Diminished metabolism in the left thalamus may have contributed to symptoms. The case illustrates the usefulness of PET in disclosing symptom causing abnormalities not detected by magnetic resonance imaging.

元の言語英語
ページ(範囲)685-688
ページ数4
ジャーナルJournal of Clinical Neuroscience
9
発行部数6
DOI
出版物ステータス出版済み - 1 1 2002

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Substantia Nigra
Mesencephalon
Thalamus
Positron-Emission Tomography
Fingers
Magnetic Resonance Imaging
Pulvinar
Mandibular Fractures
Corpus Callosum
Fluorodeoxyglucose F18
Wounds and Injuries
Neurologic Examination
Levodopa
Frontal Lobe
Paresis
Temporal Lobe
Upper Extremity
Extremities
Hand
Head

All Science Journal Classification (ASJC) codes

  • Surgery
  • Neurology
  • Clinical Neurology
  • Physiology (medical)

これを引用

Decreased thalamic metabolism without thalamic magnetic resonance imaging abnormalities following shearing injury to the substantia nigra. / Nakamizo, Akira; Inamura, Takanori; Amano, Toshiyuki; Inoha, Satoshi; Tokuda, Kentaro; Yasuda, Osamu; Ikezaki, Kiyonobu; Fukui, Masashi.

:: Journal of Clinical Neuroscience, 巻 9, 番号 6, 01.01.2002, p. 685-688.

研究成果: ジャーナルへの寄稿記事

Nakamizo, Akira ; Inamura, Takanori ; Amano, Toshiyuki ; Inoha, Satoshi ; Tokuda, Kentaro ; Yasuda, Osamu ; Ikezaki, Kiyonobu ; Fukui, Masashi. / Decreased thalamic metabolism without thalamic magnetic resonance imaging abnormalities following shearing injury to the substantia nigra. :: Journal of Clinical Neuroscience. 2002 ; 巻 9, 番号 6. pp. 685-688.
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abstract = "A 36-year-old man had fallen about 8 metres. Radiographs showed a mandibular fracture, indicating rotatory force applied to the head. Fluid-attenuated inversion recovery (FLAIR) imaging showed hyperintensity in both medial temporal lobes, left medial midbrain, right midbrain including cerebral peduncle, left pulvinar, left external capsule, fornix, splenium of corpus callosum, and deep white matter of both frontal lobes. Quantitative [18F]fluorodeoxyglucose (FDG)-positron emission tomography (PET) indicated markedly suppressed glucose metabolism in the left thalamus but not markedly in the striatum. At that time the neurologic examination demonstrated complete left hemiparesis, severe rigidity of the right upper extremity, and inability to move the right hand and fingers. Levodopa at 300-600mg/day improved movement of the fingers, decreased the rigidity in the extremity, and lessened the metabolic abnormality. Diminished metabolism in the left thalamus may have contributed to symptoms. The case illustrates the usefulness of PET in disclosing symptom causing abnormalities not detected by magnetic resonance imaging.",
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AU - Tokuda, Kentaro

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AU - Ikezaki, Kiyonobu

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