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由于腹部CT更加广泛地应用,越来越多的无症状肾上腺肿块被无意中发现。这类肿块的定性和处理是新的、重要的两大难题。无症状良性的肾上腺占位病变在尸检中出现率为1.4％～8.7％。12000例腹部CT检查,无意中发现肾上腺肿块为0.7％。大多数无症状的肾上腺肿块是无功能及良性。 CT检查是肾上腺病变定位及定性最精确的方法,其中肿块直径的大小意义最大。通过连续观察发现,大多数肾上腺皮质癌直径大于6cm。12000例尸检中,大于6cm良性肿癌仅一例。这类患者应采用手术治疗。直径小于3.5cm无代谢活性肾上腺肿块。需在第2、6、18个月时连续CT检查。如病变增大,需手术治疗,反之
As abdominal CT is more widely used, more and more asymptomatic adrenal masses are inadvertently found. The characterization and treatment of such masses are new and important two major problems. The incidence of asymptomatic, benign adrenal mass lesions was 1.4% to 8.7% at autopsy. 12,000 cases of abdominal CT examination, inadvertently found that the adrenal mass was 0.7%. Most asymptomatic adrenal masses are nonfunctional and benign. CT examination is the most accurate method for localization and characterization of adrenal lesions. The size of the diameter of the tumor is most significant. Through continuous observation, it was found that the majority of adrenocortical carcinomas were larger than 6 cm in diameter. In 12,000 autopsy cases, there was only one case of benign tumors larger than 6 cm. Such patients should be treated surgically. Diameter less than 3.5cm no metabolically active adrenal mass. Serial CT examinations are required at the 2nd, 6th, and 18th months. If the lesion is enlarged, surgery is needed, otherwise