What is left kidney occupation?

Kidney occupation according to the literal meaning of simple and clear, popular understanding is that the kidney above the growth of something else. See more as follows: 1, renal cysts, different sizes, can be single or multiple, the contents of liquid, color Doppler ultrasound and CT easier to distinguish;2, renal angiomyolipoma, that is, normal said renal hamartoma. Need to further line color Doppler ultrasound and CT examination identification; 3, renal malignant tumors, including kidney cancer (that is, renal cell carcinoma) or other malignant tumors of the kidney. General color Doppler ultrasound, CT and magnetic resonance imaging examination, the highest accuracy rate can reach more than 90%. But the final nature needs to wait until the surgical removal of the mass, send pathological examination to be clear;4, other nature of the mass, such as renal abscess, atypical hydronephrosis, etc., these conditions may be more complex and need more examination.