Caliceal Diverticulum

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Abstract
Records of 72 consecutive patients with caliceal diverticula, representing an incidence of 4.5/1000 excretory urograms, were studied. Of the 72 patients, 39% had a history of recurrent infections and an equal number had stone-containing diverticula. Only 17% had roentgenographic evidence of pyelonephritis. Similarity of incidence in children and adults, as well as a paucity of renal infection and scarring, supports an embryologic etiology. The need for surgical intervention is apparently much less than is suggested in the literature.

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