Cortical thickness difference across the central sulcus visualized in the presence of vasogenic edema

Osamu Togao, Takashi Yoshiura, Futoshi Mihara, Tomoyuki Noguchi, Hiwatashi Akio, Koji Yamashita, Tadamasa Yoshitake, Hiroshi Honda

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)

抄録

Purpose: To confirm the cortical thickness difference across the central sulcus (CS) visualized in the presence of vasogenic edema on MRI. Materials and methods: T2-weighted images of 70 cerebral hemispheres showing vasogenic edema infiltrating into subcortical white matter around the CS were studied retrospectively. Two neuroradiologists measured the cortical thickness of the anterior and posterior banks of the CS, precentral sulci (PrCS), and postcentral sulci (PoCS). Additionally, we compared the cortical thickness of the anterior and posterior banks of each sulcus visually using a grading scale. Results: On T2-weighted images, the cerebral cortex was highlighted by a high signal-intensity vasogenic edema in the adjacent white matter, and its thickness was readily measurable. The unique cortical thickness difference between the anterior and posterior banks of the CS were confirmed with measurements of 2.67 and 1.48 mm (p < 0.0001). The cortical measurements across other cerebral sulci were 2.04 and 1.95 mm (NS) for the PrCS, and 1.67 and 1.77 mm (NS) for the PoCS. The cortical thickness ratios were 1.86 for the CS, 1.05 for the PrCS, and 0.96 for the PoCS. On visual evaluation, the anterior bank of the CS was thicker than the posterior bank in 93% (65/70). For the PrCS and PoCS, the thickness of the anterior and posterior banks appeared to be equal in over 70% of the patients. Conclusion: A prominent cortical thickness difference across the CS in the presence of vasogenic edema was confirmed. This finding is considered to facilitate the identification of the CS in patients with brain tumors.

元の言語英語
ページ(範囲)274-281
ページ数8
ジャーナルEuropean Journal of Radiology
66
発行部数2
DOI
出版物ステータス出版済み - 5 1 2008

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Edema
Cerebrum
Brain Neoplasms
Cerebral Cortex
White Matter

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

これを引用

Cortical thickness difference across the central sulcus visualized in the presence of vasogenic edema. / Togao, Osamu; Yoshiura, Takashi; Mihara, Futoshi; Noguchi, Tomoyuki; Akio, Hiwatashi; Yamashita, Koji; Yoshitake, Tadamasa; Honda, Hiroshi.

:: European Journal of Radiology, 巻 66, 番号 2, 01.05.2008, p. 274-281.

研究成果: ジャーナルへの寄稿記事

Togao, Osamu ; Yoshiura, Takashi ; Mihara, Futoshi ; Noguchi, Tomoyuki ; Akio, Hiwatashi ; Yamashita, Koji ; Yoshitake, Tadamasa ; Honda, Hiroshi. / Cortical thickness difference across the central sulcus visualized in the presence of vasogenic edema. :: European Journal of Radiology. 2008 ; 巻 66, 番号 2. pp. 274-281.
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abstract = "Purpose: To confirm the cortical thickness difference across the central sulcus (CS) visualized in the presence of vasogenic edema on MRI. Materials and methods: T2-weighted images of 70 cerebral hemispheres showing vasogenic edema infiltrating into subcortical white matter around the CS were studied retrospectively. Two neuroradiologists measured the cortical thickness of the anterior and posterior banks of the CS, precentral sulci (PrCS), and postcentral sulci (PoCS). Additionally, we compared the cortical thickness of the anterior and posterior banks of each sulcus visually using a grading scale. Results: On T2-weighted images, the cerebral cortex was highlighted by a high signal-intensity vasogenic edema in the adjacent white matter, and its thickness was readily measurable. The unique cortical thickness difference between the anterior and posterior banks of the CS were confirmed with measurements of 2.67 and 1.48 mm (p < 0.0001). The cortical measurements across other cerebral sulci were 2.04 and 1.95 mm (NS) for the PrCS, and 1.67 and 1.77 mm (NS) for the PoCS. The cortical thickness ratios were 1.86 for the CS, 1.05 for the PrCS, and 0.96 for the PoCS. On visual evaluation, the anterior bank of the CS was thicker than the posterior bank in 93{\%} (65/70). For the PrCS and PoCS, the thickness of the anterior and posterior banks appeared to be equal in over 70{\%} of the patients. Conclusion: A prominent cortical thickness difference across the CS in the presence of vasogenic edema was confirmed. This finding is considered to facilitate the identification of the CS in patients with brain tumors.",
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AU - Yoshiura, Takashi

AU - Mihara, Futoshi

AU - Noguchi, Tomoyuki

AU - Akio, Hiwatashi

AU - Yamashita, Koji

AU - Yoshitake, Tadamasa

AU - Honda, Hiroshi

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