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Radiologic evaluation of urinary tract infection
Z E Bircan1, N Buyan, E Hasanoğlu
1Department of Paediatrics, Gazi University Hospital, Turkey.
International Urology and Nephrology
|January 1, 1995
Summary
For childhood urinary tract infections (UTI), 99mTc dimercaptosuccinic acid (DMSA) scanning is the most accurate diagnostic tool. DMSA scanning should be the initial step for evaluating and monitoring pediatric UTIs.
Area of Science:
- Pediatric Nephrology
- Diagnostic Imaging
- Nuclear Medicine
Background:
- Urinary tract infections (UTIs) are common in children.
- Accurate radiological evaluation is crucial for diagnosing and managing UTIs.
- Identifying the most sensitive imaging modality is essential for early detection of renal parenchymal involvement.
Purpose of the Study:
- To determine the most effective radiological approach for evaluating childhood UTIs.
- To compare the sensitivity of different imaging techniques in detecting renal parenchymal infection.
- To establish the optimal imaging protocol for pediatric UTI diagnosis and follow-up.
Main Methods:
- Prospective study design.
- All patients diagnosed with UTI underwent 99mTc dimercaptosuccinic acid (DMSA) scanning, ultrasonography (US), and intravenous urography (IVU) within 48 hours.
- Sensitivity analysis was performed comparing US and IVU against DMSA scanning for renal parenchymal infection.
Main Results:
- 99mTc DMSA scanning demonstrated superior sensitivity in identifying renal parenchymal infection compared to US and IVU.
- The sensitivity of IVU was 9.09% and US was 25% relative to DMSA scanning.
- DMSA scanning proved to be the most accurate imaging modality.
Conclusions:
- 99mTc DMSA scanning is the preferred initial radiological investigation for childhood UTIs.
- This nuclear medicine technique offers the highest accuracy for diagnosing and monitoring renal parenchymal infection.
- Healthcare providers should prioritize DMSA scanning when available for pediatric UTI evaluation.