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Can computed tomography in the protocol for renal colic be interpreted by urologists?
Stephen S Connolly1, Choudhry Younis, William Meade
1Department of Urology, Mercy University Hospital, University College Cork, Cork, Ireland.
BJU International
|December 22, 2004
Summary
Urologists can accurately interpret non-contrast computed tomography (CT) scans for acute renal colic. This diagnostic tool enables effective urinary tract evaluation and facilitates timely patient management.
Area of Science:
- Urology
- Radiology
- Medical Imaging
Background:
- Acute renal colic is a common emergency presentation.
- Non-contrast spiral computed tomography (CT) is frequently used for diagnosis.
- Radiological interpretation is standard, but urologist interpretation is also considered.
Purpose of the Study:
- To assess urologists' independent interpretation accuracy of non-contrast spiral CT for acute renal colic.
- To evaluate the diagnostic performance without radiology consultation.
Main Methods:
- Retrospective review of 100 patients with suspected renal colic.
- Independent interpretation of CT scans by a urology registrar and a consultant urologist.
- Data simulated to reflect emergency conditions.
Main Results:
- Ureteric calculi were present in 54 patients.
- Consultant urologist: 96.3% sensitivity, 82.7% specificity for calculi.
- Urology registrar: 94.5% sensitivity, 93.5% specificity for calculi.
Conclusions:
- Non-contrast spiral CT is effective for diagnosing acute renal colic.
- Independent interpretation by urologists is accurate and facilitates management.
- CT allows rapid and precise evaluation of the urinary tract.