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The renal fascia is rarely detected on excretory urograms. When seen, it is usually associated with disease processes such as focal renal scarring, acute renal infection, renal calculi, and intrarenal and perirenal masses. In all cases of normal appearing kidneys with visualization of the renal fascia, undetected renal disease should be suspected.
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Zoran L. Barbaric (1976) studied this question.
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