Retroperitoneal fibrosis

Idiopathic retroperitoneal fibrosis refers to the inflammatory response and fibrosis of connective tissue in the retroperitoneum due to different causes, forming dense fibrous tissue that surrounds and compresses the organs behind the peritoneum (such as the ureter and adjacent large fibrosis). Blood vessels). Compression of the ureter can cause upper urinary tract obstruction, which can affect kidney function in severe cases, leading to uremia.

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