Japanese
Title脳槽スキャン不成功例の検討
Subtitle原著
Authors川口新一郎*, 飯尾正宏*, 村田啓*, 千葉一夫*, 山田英夫*, 松井謙吾*, 阿部正秀*
Authors(kana)
Organization*東京都養育院付属病院核医学放射線部
Journal核医学
Volume14
Number2
Page243-253
Year/Month1977/4
Article原著
Publisher日本核医学会
Abstract「緒言」1964年 Di Chiroらの報告以来アイソトープを使った脳脊髄液 (以下CSFと略す) 循環動態の検査が広く行われている. われわれも1972年6月以来, 特に老人を対象として脳槽スキャンを行ってきた. 脳槽スキャン読影の際, 穿刺部クモ膜下腔にRIが入らず漏れて血中に移行したRIが脳スキャン様効果を呈することにより画像が劣化したり脳槽部へ十分の放射能が上らず診断不能となる例をしばしば経験した. 文献的にはこのような脳槽スキャン不成功率は11〜24%と報告されている. これらの不成功例の原因を明らかにする日的で当科で行った脳槽スキャンの不成功例について, 放射性医薬品別・疾患別に検討を加えた. 「対象と方法」1972年6月から1976年7月までに都養育院付属病院で行った373回 (内12回は充分な医学的情報が揃っていなかった) の脳槽スキャンを対象とした. 対象者の平均年齢は, 67.9歳で全症例は337例 (男168, 女169) であった.
Practice臨床医学：一般
Keywords
English
TitleStudy on the Unsuccessful Cases of Cisternography
SubtitleOriginal Articles
AuthorsShinichiro KAWAGUCHI, Masahiro IIO, Kazuo CHIBA, Hajime MURATA, Kengo MATUI, Hideo YAMADA, Masahide ABE
Authors(kana)
OrganizationDepartment of Nuclear Medicine and Radiological Sciences, Tokyo Metropolitan Geriatric Hospital
JournalThe Japanese Journal of nuclear medicine
Volume14
Number2
Page243-253
Year/Month1977/4
ArticleOriginal article
PublisherTHE JAPANESE SOCIETY OF NUCLEAR MEDICINE
Abstract[Summary] In the cisternography, injected tracer sometimes leaves from the subarachnoidal space and it disturbs the reading of the cistern. Three hundred and thirty seven cases (373 times) of cisternography examined in our laboratory for the last 4 years were investigated for the purpose to clarify the reasons of such unsuccessful cisternography. The results were as follows : (1) In total, there were 22% of unsuccessful cisternography accompanied with various grade of brain scan. Completely unsuccessful cases which were not of use were reconigzed in 5% (19 cases) . (2) There was no remarkable correlations between several radiopharmaceuticals supplied by 3 different companies with results of cisternography. (3) After investigating the unsuccessful cases, it was found that the reason attributed to the factor of the patient himself was 60%, the malinfusion of spinal tap was 30% and the leakage was 10%. As the possible factor of the patient, increased permiability of blood and spinal fluid barrier or compensatory absorption at spinal level could be considered. (4) On the other hand, images of malinfusion of spinal tap (9%) and images of leakage (13%) were observed even in the successful cases of cisternography. The fact indicates that the factor of the patient himself described in (3) plays much higher role than appeared in the figure. (5) Follow up study of same cases showed 3 types, such as continuously successful cases (A) , mixed cases (B) and continuously unsuccessful cases (C) . There found no specific reason and difference between these groups. As one of important reasons for the unsuccessful cisternography, technical factor plays some important role as was indicated in the follow up studies which showed as much as 11 cases out of 30 had both successful and unsuccessful results in short interval studies. (6) Continuously unsuccessful cases were only 4 cases. It is important that the needle of spinal tap should be inserted precisely into the subarachnoidal space. The cases with images of leakage or malinfusion should be examined further. Even in the unsuccessful case re-examination with some interval should be performed since frequent successful second examination can be expected.
PracticeClinical medicine
Keywords

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