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  • Title: Sonographic evaluation of the nonfunctioning kidney.
    Author: Behan M, Wixson D, Kazam E.
    Journal: J Clin Ultrasound; 1979 Dec; 7(6):449-58. PubMed ID: 118185.
    Abstract:
    The results of B-mode ultrasound examinations in 113 consecutive patients with unilateral renal nonfunction or severe azotemia were reviewed. The causes of nonfunction included the following: hydronephrosis; renal parenchymal disease; renal agenesis; atrophy or dysplasia; multicystic, medullary cystic, and polycystic kidneys; renal arterial or venous occlusive disease; extensively infiltrating neoplasm. The sonographic findings were consistent with the final diagnosis in 92 percent of the cases. A coronal view of the kidney for diagnosing hydronephrosis is described. This view demonstrates the dilated calyces in continuity with the renal pelvis and, when combined with transverse views, improves the reliability of the sonographic diagnosis of hydronephrosis. In cases where the renal landmarks appear totally normal, obstruction can be excluded as a cause of nonfunction, and retrograde pyelography may be avoided. The sonographic manifestations of other parenchymal abnormalities associated with nonfunction, such as cystic renal disease, glomerulonephritis, and renal transplant rejection, are also discussed.
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