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目的 探讨再发与复发性嗜铬细胞瘤（ＰＨＥＯ）的声像图表现特点，为临床提供参考依据。方法 分析了１０例再发及复发性ＰＨＥＯ，对照同期非再发及非复发性６０例（对照组）ＰＨＥＯ声像图。结果 再发性与复发性恶性ＰＨＥＯ的发病率在统计学上无显著性差异（Ｇ检验，Ｐ＞ ０．０５）， 而两者与对照组恶性ＰＨＥＯ发生率作统计学处理（Ｇ＝ ９．４７５，Ｐ＝ ０．００２）差异有显著性。内部回声： 混合性２例， 实质性低回声５例， 高回声１例。结论 再发及复发性ＰＨＥＯ有潜在恶性， 肾上腺外常有再发现象， 恶性具有多发的特点
Objective To investigate the sonographic features of recurrent and recurrent pheochromocytoma (PHEO) and provide a reference for clinical practice. Methods 10 cases of recurrent and recurrent PHEO were analyzed. PHOE sonograms of non-recurrent and non-relapsed 60 cases (control group) at the same time were analyzed. Results There was no statistically significant difference in the incidence of recurrent and recurrent malignant PHEO (G-test, P> 0.05), and the incidence of malignant PHEO between the two groups was statistically treated (G= 9. 475, P = 0.002) The difference was significant. Internal echo: Mixed in 2 cases, Substantial hypoechoic in 5 cases, High echo in 1 case. Conclusions Recurrent and recurrent PHEO are potentially malignant, often with rediscovery outside the adrenal gland, with multiple malignant features.