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目的 分析总结了 2 8例错构瘤的CT表现及有关检查技术特点。方法 双肾常规 10mm层厚及层间距扫描加病灶 3～ 5mm薄层扫描 ,12例进行了动态扫描。结果 含脂肪组织较多的肿瘤 2 1例 ;少脂或无脂肿瘤 7例。薄层扫描显示出了 3例肿瘤常规扫描未能发现的脂肪成分。动态扫描发现了一例常规扫描未能发现的肿瘤。结论 含脂较多的错构瘤有典型的CT表现 ,诊断容易 ;少脂或无脂的错构瘤经薄层扫描能提高诊断率。动态扫描能提高病变发现率。
Objective To summarize the CT findings of 28 hamartomas and the related technical characteristics of the examination. Methods Both kidneys were routinely scanned with 10mm layer thickness and interlaminar scanning plus 3 ~ 5mm thin layer lesions. Twelve patients underwent dynamic scanning. RESULTS: 21 cases had more adipose tissue tumors and 7 cases were less-fat or no-fat tumors. Thin-layer scanning revealed fat components that were not found in the routine tumor scan of three patients. Dynamic scan found a tumor that could not be found by routine scan. Conclusions The hamartomas with high fat content have typical CT manifestations, and the diagnosis is easy. The diagnosis of fat-less or fat-free hamartomas can be improved by TLC scanning. Dynamic scanning can improve the detection rate of lesions.