| D012185 |
Retroperitoneal Fibrosis |
A slowly progressive condition of unknown etiology, characterized by deposition of fibrous tissue in the retroperitoneal space compressing the ureters, great vessels, bile duct, and other structures. When associated with abdominal aortic aneurysm, it may be called chronic periaortitis or inflammatory perianeurysmal fibrosis. |
Ormond Disease,Perianeurysmal Fibrosis, Inflammatory,Periaortitis, Chronic,Fibrosis, Inflammatory Perianeurysmal,Fibrosis, Perianeurysmal Inflammatory,Idiopathic Retroperitoneal Fibrosis,Inflammatory Fibrosis, Perianeurysmal,Inflammatory Perianeurysmal Fibrosis,Ormond's Disease,Perianeurysmal Inflammatory Fibrosis,Chronic Periaortitides,Chronic Periaortitis,Disease, Ormond,Disease, Ormond's,Fibroses, Retroperitoneal,Fibrosis, Retroperitoneal,Periaortitides, Chronic,Retroperitoneal Fibroses |
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| D012187 |
Retroperitoneal Space |
An area occupying the most posterior aspect of the ABDOMINAL CAVITY. It is bounded laterally by the borders of the quadratus lumborum muscles and extends from the DIAPHRAGM to the brim of the true PELVIS, where it continues as the pelvic extraperitoneal space. |
Retroperitoneal Spaces,Space, Retroperitoneal,Spaces, Retroperitoneal |
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| D014517 |
Ureteral Obstruction |
Blockage in any part of the URETER causing obstruction of urine flow from the kidney to the URINARY BLADDER. The obstruction may be congenital, acquired, unilateral, bilateral, complete, partial, acute, or chronic. Depending on the degree and duration of the obstruction, clinical features vary greatly such as HYDRONEPHROSIS and obstructive nephropathy. |
Obstruction, Ureteral,Obstructions, Ureteral,Ureteral Obstructions |
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