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Chemotherapy for Metastatic Brain Tumors with CDDP and Other Agents:Correlation between chemotherapeutic effects and the results of in vitro chemosensitivity tests using collagen gel-embedded culture combined with computerized image analysis in metastatic brain tumors Hidemitsu NAKAGAWA 1 , Hisayuki KOBAYASHI 2 , Masahiro KOEZUKA 2 , Masanobu YAMADA 1 , Yoji MIYAWAKI 1 , Koji TOKIYOSHI 1 , Takuji KANAYAMA 1 , Yasushi HAGIWARA 1 , Koichiro TSURUZONO 1 1Department of Neurosurgery, The Center for Adult Diseases 2Nitta Gelatin Inc Keyword: CDDP , Chemosensitivity , Collagen gel-embedded culture , Metastatic brain tumor pp.517-523
Published Date 1994/6/10
DOI https://doi.org/10.11477/mf.1436900849
  • Abstract
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Chemotherapy with CDDP and/or other agents was performed in 15 patients after removal of metastatic brain tumors. A chemosensitivity test using a system of collagen gel-embedded culture and computerized image analysis was performed on the tumors from these pa-tients. The clinical usefulness of the chemosensitivity test was evaluated by comparing chemotherapeutic effects with the results of the test. The rates of correla-tion of the chemosensitivity test with clinical response on brain MRI was 80%, and that of the chemosensitiv-ity test with clinical response in tumor markers or on primary tumors was 75%.

This observation suggests that the chemosensitivity test using collagen gel-embedded culture and compute-rized image analysis is useful in determining optimal chemotherapy for metastatic brain tumors.

In ten multiple metastatic brain tumors, three com-plete responses, two partial responses, one minor re-sponse and four non-responses were observed on MRI. Only one case showed a false negative result on the chemosensitivity test and showed partial response. This result also indicates the effectiveness of chemotherapy based on chemosensitivity testing.


Copyright © 1994, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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