Diagnostic Value of Female Genital Malignant Tumors by Using 111In-Bleomycin Scintigraphy

概要

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In order to know if it is possible to objectively decide the extent of infiltration of female genital malignant tumors into parametrium by using 111In-bleomycin scintigraphy, a fundamental and clinical investigation was made. The result was as follows; 1) The radiochemical purity and stability of 111In-BLM were comparatively unchangeable. When this complex was kept at room temperature for a week, there was not more than 2% of the free 111In. 2) As to blood clearance, when the blood radioactivity of 111In-BLM 5 minutes after the injection was counted as 100%, about 80% of the radioactivity was cleared from the blood in 48 hours. Over 50% of the radioactivity was excreted into the urine in 48 hours. 3) Of 29 cases of female genital malignant tumors, 23 cases (79%) showed positive images. Therefore 111In-BLM was found to be one of the suitable radiopharmaceuticals for the diagnosis of female genital malignant tumors. 4) 111In-BLM scintigraphy was of great use for deciding the extent of the invasion of carcinoma cervicis uteri into parametrium and for the search of metastasis.
社団法人日本アイソトープ協会の論文