Japanese
Titleリング型ECTを用いたN-isopropyl-p-[123I]iodoamphetamineによる初期dynamic image - 脳血管障害における有用性 -
Subtitle原著
Authors可知謙治*, 内山暁*, 小泉潔*, 苅込正人*, 日原敏彦*, 荒木力*, 柿沢敏之**, 貫井英明**, 藤本肇***
Authors(kana)
Organization*山梨医科大学放射線科, **脳神経外科, ***千葉大学医学部放射線科
Journal核医学
Volume26
Number3
Page369-374
Year/Month1989/3
Article原著
Publisher日本核医学会
Abstract「要旨」 N-isopropyl-p-[123I]iodoamphetamineによる脳血流シンチグラフィを脳血管障害患者14例に対し施行した. 123I-IMP静注と同時に高感度コリメータを装着した島津製リング型ECTを用いて, 1フレーム 2スライス2分スキャンを15〜20回行い, 初期dynamic imageとした. これと, 静注30分後より回転型ECTを用いて撮像したearly imageの123I-IMP分布状態を比較し, delayed imageを参考に両者のdiscrepancy の有無を検討した. 初期dynamic imageで血流低下部位が存在するが, early imageでは血流低下部位が認められなくなったものが, 14例中2例あった. 軽度の血流低下部位の描出には初期dynamic imageが有用であることが示唆された.
Practice臨床医学:一般
KeywordsCerebrovascular disease, Cerebral blood flow, I-123 IMP, Dynamic image, SPECT
English
TitleN-isopropyl-p-[123I]iodoamphetamine Early Dynamic Image with Ring-type Emission CT in Cerebrovascular Disease
Subtitle
AuthorsKenji KACHI*, Guio UCHIYAMA*, Kiyoshi KOIZUMI*, Masahito KARIKOMI*, Toshihiko HIHARA*, Tsutomu ARAKI*, Toshiyuki KAKIZAWA**, Hideaki NUKUI**, Hajime FUJIMOTO***
Authors(kana)
Organization*Department of Radiology, Yamanashi Medical School, **Department of Neurosurgery, Yamanashi Medical School, ***Department of Radiology, Chiba University School of Medicine
JournalThe Japanese Journal of nuclear medicine
Volume26
Number3
Page369-374
Year/Month1989/3
ArticleOriginal article
PublisherTHE JAPANESE SOCIETY OF NUCLEAR MEDICINE
Abstract[Summary] N-isopropyl-p-[123I]iodoamphetamine (IMP) SPECT was done in 14 patients with cerebrovascular disease. Immediately after injection of 3 mCi IMP, sequential 2 minutes SPECT images (dynamic images) were obtained for 15 minutes using a circular detector array emission tomographic system (Shimadzu SET-030W) . Then standard SPECT images were obtained at 30 minutes (early images) and 5 hours (delayed images) using a rotating scintillation camera ECT system (GCA-601E, Toshiba) . Two patients out of 14 studies showed discrepancy of the findings between dynamic images and early images ; dynamic images revealed low uptake area though early images showed no defect. Possible mechanism of this phenomenon might be due to so called redistribution phenomenon occured during obtaining early images. In conclusion, early dynamic images is useful in cases with slightly decreased cerebral blood flow.
PracticeClinical medicine
KeywordsCerebrovascular disease, Cerebral blood flow, I-123 IMP, Dynamic image, SPECT

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