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目的探讨ＣＴ检查对异位嗜铬细胞瘤的诊断价值和检查方案。材料与方法回顾性分析有完整病史资料及手术病理结果，并经ＣＴ检查的异位嗜铬细胞瘤３１例。良性２７例，恶性４例。结果异位嗜铬细胞瘤发病率远远超过１０％，并呈现轻度青少年及男性成年优势分布，恶性比例高达１３％。ＣＴ诊断正确率为８７％。搜索性平扫、增强扫描和临床资料对诊断起关键作用。结论目前ＣＴ是异位嗜铬细胞瘤定位定性诊断中最有效的影像学方法，并能对良恶性肿瘤作出较准确的判断。
Objective To investigate the diagnostic value and examination of CT examination for ectopic pheochromocytoma. Materials and Methods A retrospective analysis of the complete history data and surgical pathology results showed that 31 patients with ectopic pheochromocytoma underwent CT examination. There were 27 benign cases and 4 malignant cases. Results The incidence of ectopic pheochromocytoma was far more than 10%, and showed a predominant distribution of mild adolescents and male adults. The malignant ratio was as high as 13%. The diagnostic accuracy of CT was 87%. Searchable plain scans, enhanced scans, and clinical data play a key role in diagnosis. Conclusion At present, CT is the most effective imaging method for the characterization of ectopic pheochromocytoma and can make accurate judgments for benign and malignant tumors.