肾透明细胞癌又称Grawitz瘤,是肾细胞癌中最常见的一种病理类型,主要来源于肾小管上皮,发生在肾的实质内。其早期症状常不典型,一旦出现临床症状时,往往为中晚期,预后较差,因此,早期诊断、早期治疗尤为重要。近年来,随着超声造影技术的不断发展,极大地增强了超声诊断的能力。本 Clear cell renal cell carcinoma, also known as Grawitz tumor, is the most common type of renal cell carcinoma pathology, mainly from the renal tubular epithelium occurs in the parenchyma of the kidney. Its early symptoms are often not typical, once the clinical symptoms, often in the advanced stage, the prognosis is poor, therefore, early diagnosis, early treatment is particularly important. In recent years, with the continuous development of ultrasound contrast technology, greatly enhanced the ability of ultrasound diagnosis. this