• A J Deck, S Shaves, L Talner, and J R Porter.
• Departments of Urology and Radiology, University of Washington School of Medicine, Harborview Medical Center, Seattle, Washington, USA.
• J. Urol. 2000 Jul 1; 164 (1): 43-6.

PurposeWe present our experience with computerized tomography (CT) cystography for diagnosing bladder rupture in patients with blunt abdominal and pelvic trauma, and compare the results of CT cystography with those of surgical exploration.Materials And MethodsWe identified all patients with blunt trauma diagnosed with bladder rupture from 1992 to September 1998. We reviewed the radiology computerized information system for all CT cystography performed to evaluate blunt trauma during the same period. We also reviewed the medical records and pertinent radiographic studies of patients with bladder rupture who underwent CT cystography as part of the hospital admission evaluation. Operative and radiographic findings were compared.ResultsCT cystography was performed in 316 patients as part of the initial evaluation of blunt trauma. Of the 44 patients with the ultimate diagnosis of bladder rupture CT cystography revealed bladder rupture in 42, while 23 of the 28 (82%) who underwent formal bladder exploration had operative findings that exactly matched the CT cystography interpretation in terms of the presence and type of rupture. In the 316 patients CT cystography detected bladder rupture with an overall sensitivity and specificity of 95% and 100%, respectively. For intraperitoneal rupture sensitivity was 78% and specificity was 99%.ConclusionsCT cystography provides expedient evaluation of bladder rupture due to blunt trauma and has accuracy comparable to that reported for plain film cystography. We recommend CT cystography over plain film cystography in patients undergoing CT for other injuries associated with blunt trauma.

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