
Grade 1 gynecomastia represents the mildest form of male breast enlargement. Many men experience this condition without realizing it actually has a medical classification.
Understanding grade 1 gynecomastia causes, symptoms, and treatment options empowers you to make informed decisions and restore confidence. Learn what to expect before and after treatment for the best outcome.
Related: Liposuction for Men: Common Treated Areas and What to Expect
What Is Grade 1 Gynecomastia
Defining the Four Grades of Gynecomastia
Physicians use gynecomastia grades based on the amount of breast tissue present and the degree of excess skin to guide treatment decisions. Understanding the classification system of the gynecomastia grades allows you to make an informed choice for the possible gynecomastia treatment options.
The four grades range from minimal gland enlargement to significant breast development with excess skin. Each grade requires different surgical techniques and planning.
During your consultation, the plastic surgeon will carefully evaluate factors such as breast tissue type, chest contour, and nipple position. This evaluation allows classification of which gynecomastia grade accurately reflects your condition and determines the most appropriate treatment plan.
Physical Characteristics of Grade 1 Development
Grade 1 gynecomastia involves small amounts of breast tissue concentrated beneath the nipple and areola. The breast appears slightly enlarged but maintains a relatively flat chest contour.
Most men with this grade have good skin elasticity without noticeable sagging. The areola typically remains normal in size and position. However, sometimes the areolar may appear enlarged and puffy.
In grade 1 gynecomastia, you may notice and feel a small, firm, button-like mass beneath the nipple area. This mass is typically about the size of a large marble or silver dollar. This gland tissue creates fullness that becomes more noticeable under fitted clothing, often prompting men to seek treatment for both physical comfort and confidence.
How Grade 1 Differs from Other Severity Levels
Grade 2 gynecomastia shows moderate enlargement extending beyond the margins of the areola. Patients with Grade 2 have more noticeable breast projection and may have slight skin excess.
Grade 3 involves significant enlargement with obvious breast shape and skin redundancy.
Grade 4 represents severe development with substantial breast tissue and significant skin sagging.
Grade 1 may respond to minimally invasive treatment approaches. Higher grades typically require more extensive surgical correction and skin removal.
What Causes Grade 1 Gynecomastia?
Hormonal Imbalances During Puberty and Aging
Fluctuating hormone levels represent the most common cause of male breast gland tissue development. During puberty, temporary imbalances between testosterone and estrogen often trigger breast gland tissue growth, resulting in gynecomastia.
During puberty, many teenage boys develop gynecomastia and most causes resolve naturally within two years. However, some cases persist into adulthood and may require surgical treatment.
In older men, declining testosterone levels can disrupt the hormonal balance. This change can stimulate breast gland tissue development and gynecomastia even without other additional contributing factors.
Medication Side Effects That Cause Gland Tissue Growth
Certain prescription medications interfere with hormone regulation and lead to glandular enlargement. Common culprits include medications for heart conditions, prostate issues, ulcers and even hair loss medications.
Additionally, anabolic steroids and testosterone-boosting supplements containing testosterone precursors often disrupt natural hormone production and metabolism, significantly increasing the risk of gynecomastia. These substances disrupt natural hormone production and metabolism.
If you take medications regularly, it is important to discuss potential side effects with your physician. In some situations, your doctor may adjust your prescriptions if medication contributes to breast tissue development or gynecomastia.
Weight Fluctuations and Lifestyle Factors
Excess body weight can increase estrogen production in men. Fat tissue converts testosterone into estrogen, which stimulates breast tissue growth. In many cases of obesity, the enlargement is primarily due to excess fat rather than true gland tissue tissue. This condition is known as pseudogynecomastia. Although not defined as true glandular gynecomastia, pseudogynecomastia often requires surgical treatment as it often does not improve with weight loss.
Related: The Truth About Pseudogynecomastia: Fat vs Gland Tissue Explained
Alcohol consumption also plays a role by impairing liver function and hormone metabolism. Heavy drinking reduces the liver’s ability to process estrogen effectively contributing to gynecomastia.
Additionally, marijuana use has been linked to gynecomastia in some studies as plant compounds may interact with hormone receptors and trigger glandular tissue development.
Underlying Health Conditions to Consider
Underlying health conditions can also contribute to gynecomastia. Liver disease, kidney failure, and thyroid disorders disrupt hormone balance. These conditions can cause or worsen gland tissue development in men and cause gynecomastia. In rare cases, tumors of the pituitary gland or testes may secrete hormones that stimulate breast growth, requiring medical evaluation and treatment.
During your consultation, the plastic surgeon will review your health history and may recommend blood tests. Identifying underlying causes ensures an appropriate treatment plan that addresses both aesthetic and functional concerns.
Treatment Options for Grade 1 Gynecomastia

Liposuction Techniques for Fatty Tissue Removal
Liposuction effectively removes fatty tissue that contributes to male breast enlargement. During the procedure, the plastic surgeon creates small, discreet incisions around the areola or in the underarm area for liposuction access to the targeted fat deposits.
A thin tube called a cannula is inserted through the small incision to gently suction out excess fat while maintaining a natural, masculine chest contour. This technique works well when the enlargement or gynecomastia is primarily due to fatty tissue, rather than glandular components.
Advanced technologies such as power-assisted and ultrasound-assisted liposuction offer different techniques for breast tissue removal. These advanced techniques break down dense, fibrous fat allowing for smoother removal and improved sculpting of the chest.
Gland Tissue Excision Technique also known as Subcutaneous Mastectomy
When firm glandular tissue is beneath the nipple areola, liposuction alone is not enough. In these situations, surgical excision is needed to achieve a flat, natural chest contour.
The procedure involves making a small semi-circular incision along the lower border of the areola to access the gland tissue. The plastic surgeon carefully removes the entire gland while preserving the nipple and surrounding structures. Gland tissue removal is called subcutaneous mastectomy.
This approach offers a key advantage as it prevents recurrence. Since the entire gland tissue is removed, the gynecomastia cannot grow back, unlike cases treated with liposuction alone where the gland tissue remains as it is not removed.
Excision of the gland eliminates the firm button-like feeling and creates a flat chest profile. The periareolar incision typically heals with minimal visible scarring due to its placement at the edge of pigmented areolar skin and the surrounding skin.
Combined Approaches for Optimal Results
Many cases of grade 1 gynecomastia involve both fatty deposits and glandular tissue. To achieve the most natural and lasting result, a combined approach addressing both components of breast tissue enlargement in a single procedure is often recommended.
The procedure begins with the plastic surgeon performing advanced liposuction to remove the excess fat and sculpt the chest. Next, the plastic surgeon will perform gland tissue removal to eliminate the dense tissue beneath the nipple-areolar complex. This comprehensive approach achieves the best overall result and prevents possible recurrence of the gynecomastia.
The combination technique of advanced liposuction and gland removal called subcutaneous mastectomy is a comprehensive technique and offers several benefits:
- Prevents recurrence by removing gland tissue completely.
- Reduces irregularities or fullness, ensuring a smooth contour.
- Enhances chest definition, allowing sculpting to create a shape that complements your natural muscle structure and frame..
Non-Surgical Alternatives and Their Limitations
Some men consider hormone therapy or medication to reduce breast tissue. These approaches rarely deliver meaningful improvement for established gynecomastia.
While weight loss through diet and exercise can reduce fatty breast tissue it does not eliminate glandular development. Even men at a healthy weight may retain breast tissue and have gynecomastia that requires surgical treatment.
Compression garments or chest binders may temporarily flatten the chest appearance but do not correct the underlying cause. For patients seeking a permanent solution and a more masculine chest contour, gynecomastia surgery remains the most effective and permanent solution.
What to Expect During Grade 1 Gynecomastia Surgery
Pre-Operative Consultation and Planning Process
Your initial consultation is an important step toward achieving your desired chest contour. During this visit, the plastic surgeon will perform a thorough physical examination and discuss your concerns in detail. The plastic surgeon will evaluate your chest anatomy, skin elasticity/quality, and breast tissue composition to determine the most effective treatment plan.
Medical photographs are typically taken to document your current appearance, aiding in surgical planning and to provide a reference for your results. You will discuss your goals and learn which techniques will help achieve the results you desire.
Pre-operative preparation is essential for a safe and smooth recovery. You will receive post-operative instructions that may include medication adjustments and lifestyle modifications. Stopping certain supplements and avoiding smoking and alcohol helps reduce surgical risks and promotes optimal healing.
Anesthesia Options and Surgical Duration
Grade 1 gynecomastia treatment typically involves local anesthesia with sedation or general anesthesia. The choice depends on the extent of correction needed and your comfort preferences.
Most procedures take about 1 hour to complete. This timeframe includes both liposuction and gland removal when both techniques are necessary.
Before your surgery, you will receive information about the anesthesia plan. The anesthesia team monitors you continuously throughout the procedure to ensure maximum safety and comfort.
Incision Placement for Minimal Visibility
Incisions for liposuction for grade 1 treatment are small, typically less than one inch. Common locations include the lower areola border or small access points in the armpit area or chest for the liposuction cannulas.
The plastic surgeon carefully positions all the incisions to hide within natural contours. The areola border is an ideal location for the gland removal incision as it provides excellent camouflage as the incision blends with the color transition between the areola and the surrounding skin.
Proper incision care during recovery helps scars fade significantly over time. Most men find their incisions barely noticeable once healing is complete, allowing for a natural, confident look.
Recovery Timeline and Activity Restrictions
Following your procedure, you will wear a compression garment for about 4 weeks. This garment reduces swelling and supports your chest as it heals into its new shape.
Most patients return to desk work within three to five days. Gynecomastia surgery recovery progresses quickly for grade 1 cases due to the limited extent of correction needed.
However, it is important to avoid strenuous exercise and heavy lifting for two to three weeks. The plastic surgeon will provide personalized timelines based on your healing progress. Swelling decreases noticeably within the first month, with final results visible after three to six months revealing a flatter, more defined chest.
Contact Dr. Adrian Lo for Grade 1 Gynecomastia Treatment

Grade 1 gynecomastia is a common condition affecting many men that often requires surgical intervention as it rarely resolves on its own and can cause cosmetic concerns. Understanding your treatment options is the first step toward making an informed decision to address your gynecomastia.
Dr. Adrian Lo specializes in treating gynecomastia for patients throughout Pennsylvania, New Jersey, and Delaware. His extensive expertise in gynecomastia or male breast reduction surgery delivers natural-looking results that restore a masculine chest contour.
During your consultation, Dr. Lo evaluates your unique case and will recommend the most effective surgical technique for you. Dr. Lo and his team will guide you through every stage of the process from planning to recovery ensuring clarity and confidence in your treatment journey.
Patients seeking gynecomastia treatment trust Dr. Lo for his meticulous approach and commitment to excellence. Dr. Adrian Lo in Philadelphia welcomes men ready to achieve a more masculine chest appearance through customized surgical planning.
His practice focuses on delivering outstanding outcomes while making gynecomastia and male breast reduction surgery an accessible option.Ready to take the next step? Schedule a consultation to discuss your grade 1 gynecomastia treatment options and discover how Dr. Adrian Lo can help you achieve your aesthetic goal of a more confident and masculine chest.