Surgery vs. Embolization for Varicocele: Debunking the Myth

At Fabio Komlos, MD, we often hear the myth that surgery is better than embolization when treating a varicocele. That’s simply not true.

The reality is this: both surgery and embolization have similar success rates—around 96%—according to studies published in the Journal of Vascular and Interventional Radiology and reviewed by the National Institutes of Health (NIH). The difference lies in how they’re performed and what patients experience afterward. While surgery has long been the default option, varicocele embolization offers a minimally invasive approach that is safer, faster, and easier on recovery.

What Is a Varicocele?

A varicocele is an enlargement of the veins within the scrotum, similar to varicose veins in the legs. It’s common, affecting 15% of all men and up to 40% of men with infertility (Mayo Clinic). Symptoms can include a dull ache, heaviness, visible swelling, or fertility challenges.

Unfortunately, many men are told surgery is their only option—especially if fertility is a concern. That advice is outdated.

Surgery vs. Embolization: What You Need to Know

Both treatments aim to block the abnormal veins that cause varicocele, but they differ in how they’re performed and their recovery profile.

Surgery (Varicocelectomy)

• Requires general anesthesia
• Involves incisions and stitches
• Recovery may take 2–4 weeks
• Risks include infection, hydrocele (fluid buildup), and artery injury
• Recurrence rates can be as high as 15%

Embolization

• Performed with a tiny catheter—no stitches needed
• Uses local anesthesia
• Done in an outpatient setting
• Recovery is often 24–48 hours
• Minimal risk of complications
• Real-time imaging helps target all problematic veins, lowering recurrence

What Does the Research Say?

Clinical research shows embolization is just as effective as surgery for symptom relief and fertility outcomes:

• A 2021 meta-analysis in Andrologia found no difference in pregnancy rates between embolization and surgery.
• Embolization was associated with a lower risk of complications.
• Hydrocele after surgery can occur in up to 10% of cases, while it is virtually nonexistent after embolization.

Why Patients Choose Fabio Komlos, MD

• No stitches; no hospital stay
• Same-day procedure in a comfortable outpatient setting
• Fast return to work and daily life—often within 1–2 days
• Lower recurrence risk, even after prior surgery

The Bottom Line

Is surgery better than embolization for varicocele? No. Both have the same success rate—about 96%—but embolization offers faster recovery, fewer risks, and a smoother experience. If you’ve been told surgery is your only option—or if your varicocele returned after treatment—there’s a better path forward.