Related Experiment Videos
Diagnostic imaging evaluation of benign prostatic hyperplasia
1Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri.
The Urologic Clinics of North America
|August 1, 1990
Summary
Routine intravenous urography (IVU) for benign prostatic hyperplasia (BPH) is often unnecessary, with diagnostic ultrasound offering comparable or superior results for evaluating the urinary tract. This approach can reduce costs and avoid superfluous information in BPH patient assessment.
Area of Science:
- Urology
- Diagnostic Imaging
Background:
- Benign prostatic hyperplasia (BPH) management requires appropriate diagnostic testing to guide treatment selection.
- Intravenous urography (IVU) is a common imaging modality, but its utility in routine BPH evaluation is questioned due to high rates of normal or insignificant findings.
Purpose of the Study:
- To evaluate the necessity of routine intravenous urography (IVU) in the diagnostic workup of patients with symptomatic benign prostatic hyperplasia (BPH).
- To compare the diagnostic accuracy and utility of IVU with alternative imaging modalities, particularly ultrasound, for BPH assessment.
Main Methods:
- Review of existing literature and clinical guidelines regarding imaging in BPH.
- Analysis of the yield of significant findings from routine IVUs in BPH patients.
- Comparison of diagnostic capabilities of IVU and ultrasound for detecting urinary tract abnormalities relevant to BPH.
Main Results:
- A high percentage (73-93%) of routine IVUs in BPH patients yield normal or insignificant findings.
- Significant pathology altering treatment is rarely detected (0.5-10%), with upper tract hydronephrosis being the most common finding (3-13%).
- Diagnostic ultrasound demonstrates equal or greater accuracy than IVU for detecting hydronephrosis, renal masses, and bladder/prostate abnormalities, despite being operator-dependent.
Conclusions:
- Routine intravenous urography (IVU) is not necessary for the comprehensive evaluation of all patients with symptomatic benign prostatic hyperplasia (BPH).
- Diagnostic ultrasound (transabdominal or transrectal) effectively replaces routine IVU, offering a more cost-effective and informative alternative for assessing the upper urinary tract and related structures in BPH patients.
- Clinical, endoscopic, and laboratory evaluations are sufficient for pre-therapy screening for urothelial malignancy in most BPH cases.