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Correlation of liver reserve capacity before and after carbon-ion radiotherapy using 99mTc-GSA SPECT in patients with liver tumor

https://repo.qst.go.jp/records/80314
https://repo.qst.go.jp/records/80314
00995fac-a045-4487-9981-4188caeb51e4
Item type 会議発表用資料 / Presentation(1)
公開日 2020-06-12
タイトル
タイトル Correlation of liver reserve capacity before and after carbon-ion radiotherapy using 99mTc-GSA SPECT in patients with liver tumor
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_c94f
資源タイプ conference object
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 Yamazaki, Kana

× Yamazaki, Kana

WEKO 881245

Yamazaki, Kana

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Nishii, Ryuichi

× Nishii, Ryuichi

WEKO 881246

Nishii, Ryuichi

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Makishima, Hirokazu

× Makishima, Hirokazu

WEKO 881247

Makishima, Hirokazu

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Kasuya, Goro

× Kasuya, Goro

WEKO 881248

Kasuya, Goro

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Tamura, Kentaro

× Tamura, Kentaro

WEKO 881249

Tamura, Kentaro

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Yoshinaga, Keiichiro

× Yoshinaga, Keiichiro

WEKO 881250

Yoshinaga, Keiichiro

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Higashi, Tatsuya

× Higashi, Tatsuya

WEKO 881251

Higashi, Tatsuya

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Tsuji, Hiroshi

× Tsuji, Hiroshi

WEKO 881252

Tsuji, Hiroshi

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Yamazaki, Kana

× Yamazaki, Kana

WEKO 881253

en Yamazaki, Kana

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Nishii, Ryuichi

× Nishii, Ryuichi

WEKO 881254

en Nishii, Ryuichi

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Makishima, Hirokazu

× Makishima, Hirokazu

WEKO 881255

en Makishima, Hirokazu

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Kasuya, Goro

× Kasuya, Goro

WEKO 881256

en Kasuya, Goro

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Tamura, Kentaro

× Tamura, Kentaro

WEKO 881257

en Tamura, Kentaro

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Yoshinaga, Keiichiro

× Yoshinaga, Keiichiro

WEKO 881258

en Yoshinaga, Keiichiro

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Higashi, Tatsuya

× Higashi, Tatsuya

WEKO 881259

en Higashi, Tatsuya

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Tsuji, Hiroshi

× Tsuji, Hiroshi

WEKO 881260

en Tsuji, Hiroshi

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抄録
内容記述タイプ Abstract
内容記述 [Objective]
99mTc-GSA SPECT is performed for patients before and after carbon-ion radiotherapy (CIRT) for liver tumors in our hospital. It is essential to assess reduced liver reserve capacity and prediction of post-CIRT value before treatment. In this study, we evaluated the usefulness of the liver reserve capacity estimation using GSA SPECT and CT/MRI fusion images in patients before and after CIRT for liver tumors.
[Materials and Methods]
Eight patients who received 99mTc-GSA SPECT imaging before and 3 months after CIRT were enrolled in this investigation. After intravenous injection of 99mTc-GSA, dynamic and SPECT imaging was performed using a gamma camera. All acquired SPECT images were fused with CT or MRI images using fusion viewer software, followed by evaluation of liver reserve capacity by the maximal GSA removal rate (GSA-Rmax) and GSA-Rmax of the predicted residual liver after CIRT (GSA-RL) using multicompartment analysis. Then we assessed correlation between GSA-RL before CIRT and GSA-Rmax after CIRT to evaluate the usefulness of residual liver function estimation with 99mTc-GSA SPECT.
[Results]
GSA-Rmax before and after CIRT were 0.302±0.189 and 0.264±0.172, respectively. GSA-RL before CIRT was 0.266±0.174, which was estimated using GSA SPECT-CT/MRI fusion images before CIRT. There was a high correlation between GSA-RL before CIRT and GSA-Rmax after CIRT (r=0.93, p<0.001).
[Conclusion]GSA SPECT is useful for evaluating liver reserve capacity and the prediction of post-CIRT value in patients with liver tumors.
会議概要(会議名, 開催地, 会期, 主催者等)
内容記述タイプ Other
内容記述 第79回日本医学放射線学会総会
発表年月日
日付 2020-04-10
日付タイプ Issued
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