Varicocele is defined as abnormal dilation of the pampiniform erotic venous plexus and is a leading reversible cause of male infertility.
Increased scrotal temperature, oxidative stress, and impaired testicular oxygenation are principal mechanisms affecting spermatogenesis. Left-sided predominance is attributed to anatomical differences in venous drainage.
Diagnosis is based on clinical examination and Doppler ultrasonography. Microsurgical varicocelectomy offers improved outcomes with reduced recurrence rates.
Postoperative improvement in semen parameters is observed in a substantial proportion of patients.
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