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Is physical examination useful in predicting epididymal obstruction?
1Department of Surgery, Division of Urology, University of Alabama at Birmingham, Birmingham, Alabama 35294-3296, USA.
Urology
|May 30, 2001
Summary
Palpable epididymal fullness helps predict obstruction in azoospermic men and guides vasectomy reversal surgery. However, a normal exam doesn't rule out obstruction, and fullness alone doesn't confirm the need for vasoepididymostomy.
Area of Science:
- Urology
- Reproductive Medicine
- Surgical Assessment
Background:
- Azoospermia and vasectomy reversal present diagnostic challenges.
- Accurate preoperative assessment is crucial for successful surgical outcomes.
Purpose of the Study:
- To assess epididymal fullness as a predictor of obstruction in azoospermic men.
- To determine if epididymal fullness can predict the need for vasoepididymostomy (VE) in vasectomy reversal cases.
Main Methods:
- Physical examination including palpation of the epididymis (classified as full or normal).
- Surgical exploration and biopsy to confirm obstruction in azoospermic men.
- Evaluation of vasal fluid characteristics during vasectomy reversal surgery.
Main Results:
- In azoospermic men (group 1), epididymal fullness showed 67% sensitivity and 100% specificity for obstruction.
- In vasectomy reversal cases (group 2), fullness had 33% sensitivity and 89% specificity for requiring VE.
- Negative predictive value for normal vasal fluid in group 2 was high (94%).
Conclusions:
- Epididymal fullness is a useful, though not perfect, indicator of obstruction in azoospermic men.
- Absence of fullness in vasectomy reversal patients predicts suitable vasal fluid for vasovasostomy.
- Epididymal fullness warrants further investigation but doesn't definitively indicate the need for VE.