影像学表现类似侵袭性肿瘤，增强扫描可见强化，占位效应明显。
Imaging features resemble an aggressive mass lesion with enhancement and mass effect.
目的：应用动态灰阶超声造影技术研究肝脏占位性病变造影增强的时相变化，评价其在肝肿瘤鉴别诊断中的价值。
Objective To study the enhancement phases of focal liver lesions with dynamic gray scale sonography and evaluate its value in differential diagnosis of hepatic lesions.
目的评价不同阈值的标准摄取值（SUV ）对肺占位性病变的诊断价值，并对肿瘤病理类型、病灶大小对SUV的影响机制进行初步探讨。
Objective To investigate the diagnostic value of standardized uptake value (SUV) of lung neoplasms, and to discuss relative affected factors such as pathological types and lesions sizes.
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