脂肪成分在肾上腺髓样脂肪瘤CT和MRI诊断中的价值

目的:探讨肾上腺髓样脂肪瘤(AML)的分型、CT表现,分析脂肪含量对该病的诊断价值.方法:回顾性分析24例肾上腺髓样脂肪瘤的CT特征及临床、病理资料,利用后处理技术测定瘤体内脂肪含量.结果:本组24例肾上腺髓样脂肪瘤,右侧15例,左侧9例,瘸体直径为5～9 cm,边界光整,呈圆形或类圆形.24例瘤体均含脂肪,脂肪含量＞...

Value of fat content in the CT and MRI diagnosis of adrenal myelolipoma

Objective：To investigate the subtypes and CT features of adrenal myelolipoman（AML） and analyse the value of its fat content in the diagnosis.Methods：The CT features,clinical manifestations and pathological datas of 24 patients with adrenal myelolipoma were retrospectively analyzed.The fat content was measured by post-treatment techonology.Results：Among 24 cases,15 lesions were located on the right side,9 lesions on the left side,the diameters were from 5 to 9cm,the border was smooth,the shape was round or oval.All 24 cases of adrenal myelolipoma contained fat,with more than 50% in fat content in 17 cases and more than 75% in 9 of these 17 cases;less than 50% in 7 cases and less than 20% in 2 cases.After enhancement,soft tissue component enhanced mildly or moderately,fatty tissue did not enhanced.Spotty or streaky calcification were observed in 5 cases.Conclusion：CT scanning shows high sensitivity and specificity in the diagnosis of AML.The fat content provides some evidence for the diagnosis and differential diagnosis of AML.