Long-time chronic kidney disease, if not treated as early as possible, is likely to cause renal atrophy. Therefore, patients with kidney disease must pay attention to. Among them, unilateral renal atrophy is common in clinical, patients often accompanied by hypertension, backache and other symptoms, B ultrasound or KUB, IVP and other examinations can be found. In addition to primary disease symptoms, no obvious hematuria, proteinuria and renal function is normal, but if tired, especially in infection, urinary tract infection, urinary tract obstruction, renal function damage induced by drug application, renal function may deteriorate rapidly, after several years of double kidney atrophy, should cause the attention of clinical medicine pision.
The size of the kidney is not a direct cause of kidney disease, but it can be a preliminary understanding of the nature of the lesion, or for the identification of acute and chronic diseases. There are many ways to check the size of the kidney. The B ultrasound is the most simple, convenient and economical, and should be used as a routine item in physical examination. Type B ultrasound examination of renal atrophy and size of the kidney includes the length of the renal pole and the thickness of the renal parenchyma.
The size of normal kidneys ranged from 11 to 13.5 cm (mean 12.2 cm), and the right side ranged from 10.8 to 13 cm (mean 11.9 cm), which was equivalent to the adjacent three lumbar vertebrae, including the width of the intervertebral space, and the width was 1/2 of the length. The left kidney is slightly longer than the right kidney, and the male is slightly larger than the female. The length of adult kidneys ranged from 10 to 12cm, and the width ranged from 5 to 6cm. The kidney volume of the elderly decreased with the increase of age. The length of the kidney in the elderly was 9.2 to 11.8cm, <9.2cm was reduced in kidney, and >11.8cm was increased. The thickness of the renal parenchyma in adults was about 1.5~2cm, and there was no significant difference between the elderly and the elderly. The <1.5cm was reduced and the >2.0cm was thickened. The difference between the length of kidney and the thickness of renal parenchyma in differentiating acute and chronic renal failure was 92.6%.
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