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Radiology, Vol 167, 613-618, Copyright © 1988 by Radiological Society of North America
ARTICLES |
DM Yousem, OM Gatewood, SM Goldman and FF Marshall
Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins Medical Institutions, Baltimore, MD 21205.
Six hundred forty-five cases of transitional cell carcinoma (TCC) of the bladder, ureter, and/or kidney were reviewed retrospectively to determine the frequency of synchronous and metachronous lesions elsewhere in the urinary tract. Among 597 patients with TCC of the bladder, 23 (3.9%) developed an upper-tract lesion, after an average delay of 61 months. Metachronous upper-tract tumors developed in 13% of 38 patients with primary ureteral TCC and in 11% of 63 with renal TCC, after average delays of 28 and 22 months, respectively. Synchronous TCC was found in 2.3% of patients with bladder TCC, 39% of those with ureteral TCC, and 24% of those with renal TCC. Seventeen percent of the subsequent upper-tract lesions would have been demonstrated by intravenous or retrograde urography performed 1 year after the initial onset of primary bladder cancer, and 61% would have been demonstrated by studies performed within 2 years. Therefore, the authors recommend annual radiologic evaluation of the upper urinary tract for 2 years after initial diagnosis and treatment of an upper-tract or bladder TCC.
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