What is the significance of kidney biopsy needle surgery?

Kidney biopsy has played a major role in the rapid development of nephrology in recent decades. It can provide various types and stages of kidney tissue for research, and it provides fresh kidney tissue, which makes it possible to carry out modern examinations such as immunopathology and ultra-pathology. Therefore, it promotes the breadth and depth. The rapid development of renal pathology has led to the continuous updating and improvement of the overall knowledge of nephrology.

Renal biopsy has not only made a significant contribution to the development of nephrology, but also has great significance in the diagnosis, treatment and prognosis of renal disease in specific clinical work. Many authors at home and abroad have made prospective or retrospective comparative analysis before and after renal biopsy, and confirmed that the correction rate of clinical diagnosis of disease after renal biopsy is 34-63%, the rate of correction of treatment plan is 19-36%, and the rate of correction of prognosis estimate is 34-63%. up to 32~36%. These corrections are particularly prominent in cases of nephrotic syndrome and acute renal failure. In addition, renal biopsy also has high practical value in the diagnosis and treatment of renal damage in transplanted kidneys. Facts show that in the field of kidney disease, the level of diagnosis and treatment that combines pathology and clinical practice far exceeds the level of pure clinical practice.

However, in the specific analysis of the clinical significance of renal biopsy pathological examination, we must also pay attention to its limitations. Kidney biopsy can only take a few glomeruli. To infer the entire kidney disease from a small number of glomeruli, it is necessary to ensure that there are a certain number of glomeruli (at least 5 to 10 in the literature). The more glomeruli in the specimen, the more reliable The stronger it is, and vice versa, the reliability is poor, especially in focal lesions.

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