Gynecomastia Surgery
in Seomyeon, Busan

What Is Gynecomastia?

Gynecomastia — commonly known as "man boobs" or enlarged male breasts — is a medical condition in which the male chest develops abnormally enlarged breast tissue. It affects an estimated 30-50% of men at some point in their lives and can be caused by hormonal imbalance, puberty, ageing, obesity, medication side effects, or underlying medical conditions. At Urogyn Busan, we treat all four clinical grades of gynecomastia through a combined surgical approach tailored to each patient's anatomy.

Unlike simple chest fat (pseudogynecomastia) which responds to weight loss and exercise, true gynecomastia involves proliferation of the mammary gland itself — a dense, rubbery tissue located directly beneath the nipple-areolar complex. This tissue does not respond to diet, exercise, or weight loss alone. In fact, even extremely lean patients often retain visible gland tissue that can only be removed surgically. For this reason, gynecomastia is considered a medical-surgical condition rather than a weight-management problem.

Korea is internationally recognised for its expertise in men's aesthetic surgery, with well-established surgical protocols, advanced equipment (VASER, MicroAire), and strict KFDA-regulated standards. At Urogyn Busan, our board-certified urologist performs gynecomastia surgery with specialist knowledge of the male chest anatomy, vascular structures, and hormonal context — a combination rarely found in general aesthetic clinics.

Why a Urologist — Not a General Aesthetic Clinic?

Gynecomastia is fundamentally a condition of male physiology. While general plastic surgery clinics perform the procedure, a board-certified urologist brings specific advantages: understanding of the hormonal axis (testosterone, oestrogen, prolactin) that drives gland formation, familiarity with male-specific anatomy and vascular patterns, and the ability to identify and manage concurrent men's health issues (low testosterone, prostate conditions, metabolic syndrome) that often coexist with gynecomastia. Our clinic exclusively treats men, meaning the entire clinical environment, waiting area, and staff workflow are designed around male patient privacy and comfort.

True Gynecomastia vs Pseudogynecomastia

A critical first step in treatment is correctly classifying the chest enlargement. True gynecomastia involves actual mammary gland tissue — firm, rubbery, and located concentrically beneath the areola. Pseudogynecomastia is simple subcutaneous fat accumulation without gland proliferation, typically associated with being overweight. Most patients actually present with a mixed condition requiring both techniques. At consultation, the urologist performs a physical examination and, when needed, ultrasound to determine the exact gland-to-fat ratio and plan the appropriate surgical approach.

• True gynecomastia — Firm gland tissue beneath areola. Requires surgical gland excision. Does not respond to weight loss.
• Pseudogynecomastia — Soft, diffuse fat tissue. Responds to liposuction alone. Often improves with weight loss.
• Mixed gynecomastia — Most common presentation. Requires both liposuction and gland excision for a natural flat chest contour.
• Unilateral gynecomastia — Affects only one side. Requires careful contour matching to preserve symmetry.
• Pubertal gynecomastia — Develops during puberty (age 10-17). Usually resolves spontaneously; surgery considered after age 18 if persistent.

Why Does Gynecomastia Develop?

Gynecomastia arises when the ratio of oestrogen-to-testosterone activity in the breast tissue becomes elevated, stimulating the mammary gland to proliferate. The specific triggers vary widely between patients, and in some cases multiple factors combine. Understanding the cause is important not only for surgical planning but also to prevent recurrence after surgery.

Hormonal Imbalance

The most common driver of gynecomastia is a relative excess of oestrogen activity compared to testosterone. This can occur through reduced testosterone production (hypogonadism, ageing), increased oestrogen conversion (higher body fat increases aromatase enzyme activity, converting testosterone to oestrogen), or medications that interfere with the hormonal axis. Approximately 25-30% of gynecomastia cases involve a measurable hormonal imbalance that can be identified with a blood test.

Obesity and Body Composition

Higher body fat percentage increases aromatase activity, which converts testosterone into oestradiol within the fat tissue itself. This creates a local hormonal environment in the chest that favours gland growth. Many patients notice that even after significant weight loss, the chest tissue remains enlarged — this is because the gland tissue has already proliferated and does not regress with weight loss alone. Surgical removal is the only definitive solution in these cases.

Medications and Substances

A substantial list of medications can trigger gynecomastia as a side effect. These include anabolic steroids (both medical and recreational), certain antidepressants (SSRIs, tricyclics), anti-androgens (used for prostate cancer or hair loss), some blood pressure medications (spironolactone, calcium channel blockers), proton pump inhibitors, and certain recreational drugs. At consultation, we review your complete medication history to identify reversible contributors.

Puberty, Ageing, and Idiopathic Causes

Pubertal gynecomastia affects up to 65% of adolescent boys and usually resolves spontaneously within 1-2 years. Senile gynecomastia develops in men over 50 due to declining testosterone levels. In approximately 25% of adult cases, no specific cause can be identified after thorough evaluation — this is termed idiopathic gynecomastia. Regardless of cause, the surgical approach and expected outcome are similar once the condition is established.

Visualising the Transformation

The anatomical change after gynecomastia surgery is significant and immediately visible. Below are clinical illustrations showing the typical before-and-after chest profile at each gynecomastia grade. Individual results vary based on initial grade, skin quality, and adherence to recovery protocols.

Most patients achieve a significantly flatter, more masculine chest contour within 3-5 days (initial swelling reduction) with the final result visible at 3-6 months. The surgical scars — typically one 3-4mm liposuction entry point per side and one 1cm periareolar incision — fade to near-invisibility within 6-12 months with proper scar care.

What to Expect in Recovery

The recovery timeline is predictable and generally well-tolerated. Day 1-3: Moderate soreness similar to intense chest workout fatigue, well-controlled with oral painkillers. Day 3-5: Most patients return to desk work. Most swelling resolved. Day 7: Suture trimming (absorbable) at 1-week check. Week 2: Light exercise permitted (walking, light cardio). Week 4: Compression vest can be removed. Gym activities resumed gradually. Week 8-12: Full return to chest workouts and heavy lifting. Final chest contour progressively visible. Month 3-6: Final aesthetic result with fully resolved swelling and skin redraping.