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Transrectal ultrasound guided versus digitally directed prostatic biopsy: a comparative study
1Division of Urology, Case Western Reserve University School of Medicine, Cleveland, Ohio.
The Journal of Urology
|April 1, 1988
Summary
Digital rectal exams are effective for detecting prostate cancer in palpable nodules. Ultrasound-guided biopsies are not routinely necessary when nodules are distinct, improving diagnostic efficiency.
Area of Science:
- Urology
- Oncology
- Diagnostic Imaging
Background:
- Palpable prostatic nodules are a key indicator for prostate cancer detection.
- Digital rectal examination (DRE) and ultrasound-guided biopsy (USGB) are common diagnostic tools.
Purpose of the Study:
- To compare the efficacy of digitally directed biopsy (DDB) versus ultrasound-guided biopsy (USGB) in detecting prostate cancer in patients with palpable nodules.
Main Methods:
- A total of 45 patients with palpable prostatic nodules were evaluated.
- Biopsies were performed using both digitally directed and ultrasonically guided techniques.
Main Results:
- Prostate cancer was detected in 14 patients.
- Both DDB and USGB detected cancer in 11 of these 14 patients.
- DDB identified additional positive findings in 2 patients, while USGB identified additional positive findings in 1 patient.
Conclusions:
- Ultrasound-guided prostatic biopsy is not a necessary routine procedure when a distinct nodule is palpable.
- Digital rectal examination may be sufficient for initial biopsy guidance in such cases.