Nondilated obstructive uropathy

Four patients presented with severe renal failure secondary to urinary tract obstruction, yet ultrasonography and/or computed tomography revealed only minimal dilatation in 1 patient and no dilatation in the other three. Two patients had prostate cancer, one had bladder cancer, and one had retroperi...

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Veröffentlicht in:Urology (Ridgewood, N.J.) N.J.), 1988-06, Vol.31 (6), p.478-482
Hauptverfasser: Spital, Aaron, Valvo, John R., Segal, Arthur J.
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container_end_page 482
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container_start_page 478
container_title Urology (Ridgewood, N.J.)
container_volume 31
creator Spital, Aaron
Valvo, John R.
Segal, Arthur J.
description Four patients presented with severe renal failure secondary to urinary tract obstruction, yet ultrasonography and/or computed tomography revealed only minimal dilatation in 1 patient and no dilatation in the other three. Two patients had prostate cancer, one had bladder cancer, and one had retroperitoneal fibrosis. In all cases, relief of obstruction led to a dramatic improvement in renal function. These cases, and others in the literature, illustrate that in certain settings severe urinary tract obstruction may be present in the absence of dilatation and hence may be missed by noninvasive imaging techniques. Nondilated obstructive uropathy should be suspected in any elderly patient who presents with the acute onset of oliguria in the absence of an identifiable cause, especially if there is a previous history of malignancy in the pelvis. Left undiagnosed, this potentially reversible cause of renal failure can lead to end-stage renal disease.
doi_str_mv 10.1016/0090-4295(88)90211-7
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subjects Acute Kidney Injury - diagnosis
Acute Kidney Injury - etiology
Acute Kidney Injury - pathology
Adenocarcinoma - complications
Aged
Biological and medical sciences
Carcinoma - complications
Carcinoma, Squamous Cell - complications
Humans
Lymphatic Metastasis
Male
Medical sciences
Middle Aged
Nephrology. Urinary tract diseases
Prostatic Neoplasms - complications
Retroperitoneal Fibrosis - complications
Tomography, X-Ray Computed
Ultrasonography
Urinary Bladder Neoplasms - complications
Urinary system involvement in other diseases. Miscellaneous
Urinary tract. Prostate gland
Urologic Diseases - diagnosis
Urologic Diseases - etiology
Urologic Diseases - pathology
title Nondilated obstructive uropathy
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