We report 6 patients with chronic renal failure who developed contrast intravasation/extravasation during voiding cystourethrography. Two patients underwent cystoscopy and were noted to have diffuse mucosal tears, but had normal appearing bladder mucosa on follow-up inspection. None of the patients experienced symptoms or clinical sequelae. Pathophysiological changes in the chronically unused bladder which predispose it to mucosal injury are considered.
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Matsumoto, A.H., Clark, R.L. & Cuttino, J.T. Bladder mucosal tears during voiding cystourethrography in chronic renal failure. Urol Radiol 8, 81–84 (1986). https://doi.org/10.1007/BF02924082