神戸大学病理学教室における過去2年間の染色体異常症の分析の経験から

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Results of chromosome analysis of 90 non-tumor patients done between Sept., 1975 and August, 1977 were summarized. Among 81 patients, 27 patients had chromosomal abnormalities. They consisted of 13 cases with Down's syndrome, 9 with sex chromosomal abnormalities such as Klinefelter's or Turner's syndrome, one with 18-trisomy syndrome, one with cri-du-chat syndrome, and 3 cases with more complicated chromosomal changes. The frequency of the patients with positive results was 34% and considerably higher than the rates in other hospitals. This may indicate that only highly suspicious patients were selected for chromosome analysis in our university hospital because there are no routine chromosome analyzing facilities. Since chromosomal diseases can only be diagnosed by chromosomal analysis and there are many such patients, we recommend to open a chromosome unit in the laboratory of the university hospital.
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