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对84例经B超和CT诊断为肝脏或胰腺占位性病变行细针穿刺细胞学、组织学和超微结构学检查。细胞学找到癌细胞的阳性率为91.66%(77/84),组织学诊断阳性率为89.28%(75/84)。组织学弥补了细胞学不能分类的缺陷,超微结构学可以提供比组织学多12.50%(4/32)的诊断信息。三种检查方法可以互补其不足,综合诊断阳性率为97.61%(82/84)。
Fine needle aspiration cytology, histology and ultrastructural examination were performed on 84 cases of liver or pancreatic space-occupying lesions diagnosed by ultrasound and CT. The positive rate of cytology for cancer cells was 91.66% (77/84), and the positive rate for histological diagnosis was 89.28% (75/84). Histology compensates for the inability of cytology to classify defects, and ultrastructural studies can provide 12.50% (4/32) more diagnostic information than histology. Three kinds of inspection methods can complement each other’s deficiencies, and the overall diagnostic positive rate is 97.61% (82/84).