Testicular biopsy in infertility

Area of Science:

• Reproductive Medicine
• Andrology
• Histopathology

Background:

• Male infertility affects a significant number of couples seeking fertility treatment.
• Abnormal semen analysis is a common finding in infertile men.
• Testicular biopsy is a diagnostic tool for evaluating spermatogenesis and identifying causes of male infertility.

Purpose of the Study:

• To categorize testicular biopsy morphology in infertile men with abnormal semen analysis.
• To evaluate the utility of quantitative scoring methods (Mean Johnson Score and Silber Score) in assessing testicular histology.
• To correlate biopsy findings with sperm count and identify potential causes of infertility.

Main Methods:

• Eighty-eight infertile couples were evaluated, with 64 presenting abnormal semen analysis.
• Testicular biopsies were performed and categorized morphologically into five groups.
• Quantitative analysis of biopsies was conducted using Mean Johnson Score (MJS) and Silber Score (SS).

Main Results:

• Hypospermatogenesis was the most common finding (65.63%) in testicular biopsies.
• Normal spermatogenesis in azoospermic patients suggested bilateral ductal obstruction.
• Silber Score (SS) demonstrated a stronger correlation with sperm count in unobstructed cases compared to Mean Johnson Score (MJS).

Conclusions:

• Testicular biopsy morphology and quantitative scores are valuable in diagnosing male infertility.
• The Silber Score may offer a more direct correlation with sperm count in certain infertility cases.
• Findings aid in differentiating between spermatogenesis defects and obstructive causes of infertility.