Hydronephrosis pathophysiology: Difference between revisions
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Revision as of 23:26, 9 July 2017
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Hydronephrosis Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Hydronephrosis pathophysiology On the Web |
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American Roentgen Ray Society Images of Hydronephrosis pathophysiology |
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Risk calculators and risk factors for Hydronephrosis pathophysiology |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Pathophysiology
The obstruction may be either partial or complete and can occur anywhere from the urethral meatus to the calyces of the renal pelvis.
The obstruction may arise from either inside or outside the urinary tract or may come from the wall of the urinary tract itself. Intrinsic obstructions (those that occur within the tract) include blood clots, stones, sloughed papilla along with tumours of the kidney, ureter and bladder. Extrinsic obstructions (those that are caused by factors outside of the urinary tract) include pelvic or abdominal tumours or masses, retroperitoneal fibrosis or neurological deficits. Strictures of the ureters (congenital or acquired), neuromuscular dysfunctions or schistosomiasis are other causes which originate from the wall of the urinary tract.
Microscopic Pathology
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Specimen of a kidney that has undergone extensive dilation due to hydronephrosis. Note the extensive atrophy and thinning of the renal cortex.
