January 14, 2026 | Gynecomastia
5 minute read

Gynecomastia, a condition where male breast tissue becomes enlarged, is far more common than most men realize. Whether caused by hormones, genetics, medications, or lifestyle factors, it can make you feel self-conscious about wearing fitted clothing or being seen without a shirt. What you may not know is that not all fullness in the chest is true gynecomastia. In some cases, the issue is excess fat, known as pseudogynecomastia. Since the two conditions look similar but require different approaches, getting an accurate diagnosis is the first step toward undergoing an effective treatment. The best way to determine if you have gynecomastia is to schedule a consultation with a board-certified plastic surgeon. However, a simple, at-home way to help determine what may be causing your chest concerns is by performing the gynecomastia pinch test.
Table of Contents
- Causes of Gynecomastia
- What Are the Symptoms of Gynecomastia?
- How Can I Tell the Difference Between Gynecomastia and Excess Chest Fat?
- What Is the Gynecomastia Pinch Test?
- How to Perform the Gynecomastia Pinch Test
- How Are Gynecomastia and Pseudogynecomastia Treated?
Causes of Gynecomastia
Gynecomastia develops when there is an imbalance between estrogen and testosterone in a man’s body, leading to an increase in firm glandular breast tissue. This hormonal imbalance often occurs during puberty and aging, but can also be the result of anabolic steroid use, weight fluctuations, or certain medical conditions and medications. Natural hormonal changes are the most common cause of gynecomastia, which is why as many as 70% of adolescent males and up to 65% of men over 50 may experience this condition at some point in their lives. Although hormone imbalances usually resolve on their own, gynecomastia in adulthood is less likely to go away without treatment.
What Are the Symptoms of Gynecomastia?
Common symptoms of gynecomastia include:
- Noticeable fullness or increased volume in the breasts
- A rounder, more projected breast shape
- Firm, rubbery tissue directly beneath the nipple-areola complex
- Nipple sensitivity or tenderness, especially in the early stages
- Chest tissue that feels denser or more structured than normal body fat
The condition can affect one or both sides of the chest, sometimes unevenly, which may make the chest appear asymmetrical.
How Can I Tell the Difference Between Gynecomastia and Excess Chest Fat?
Distinguishing gynecomastia from excess fat can be challenging because both conditions cause an enlarged chest. However, their characteristics are different. Understanding these differences helps determine whether lifestyle changes or surgery will offer you optimal results.
| Feature | Gynecomastia | Excess Chest Fat (Pseudogynecomastia) |
| Cause | Hormonal imbalance leading to growth of glandular breast tissue | Weight gain and overall increase in body fat |
| How It Feels | Firm, rubbery lump or disc under the nipple | Soft, squishy, and similar to fat in other areas |
| Appearance | More projected, rounded breast shape; nipples may appear puffy | Chest looks fuller or thicker but without a defined breast shape |
| Response to Weight Loss | Usually does not shrink with dieting or exercise | Often decreases as body fat levels drop |
| Tenderness | May cause nipple or breast sensitivity | Rarely tender |
| Symmetry | Can affect one or both sides, sometimes unevenly | Typically more evenly distributed |
What Is the Gynecomastia Pinch Test?
The gynecomastia pinch test is a simple at-home assessment used to help differentiate gynecomastia and pseudogynecomastia. By gently pinching the tissue under and around your nipple, you can get a better idea of whether you have glandular breast tissue or simply excess fat based on how the area feels. If your breasts feel soft and pliable, that typically indicates excess fat; while a firm, rubbery, or disc-like mass below the nipple suggests increased glandular tissue.
While the pinch test cannot diagnose gynecomastia with complete certainty (and is not a substitute for a professional medical exam), it can provide insight into the likely cause of changes to the appearance of your chest. It can also help you determine whether seeking a consultation with a plastic surgeon should be your next step.
How to Perform the Gynecomastia Pinch Test
To perform the gynecomastia pinch test, stand in front of a mirror with your chest relaxed. Using your thumb and index finger, gently pinch the tissue directly beneath your nipple and areola. If the tissue feels soft and is easily compressed (similar to belly fat), it is more likely pseudogynecomastia. If you feel a firmer, rubbery bump or a distinct button-like mass behind your nipple, this is more consistent with gynecomastia. Repeat the pinch test on both sides. If the tissue feels firm or tender or shows noticeable asymmetry, a professional evaluation is recommended.
How Are Gynecomastia and Pseudogynecomastia Treated?
At Greenberg Cosmetic Surgery and Dermatology in NYC, gynecomastia treatment is tailored to the underlying cause of your chest enlargement. True gynecomastia typically requires surgical removal to achieve a flatter, more masculine chest. Our skilled surgeons perform gynecomastia surgery, often combining glandular tissue excision with precision liposuction, sculpting your chest to achieve the most natural-looking result.
If you have pseudogynecomastia, liposuction alone may be sufficient to remove unwanted fat and restore a more masculine chest contour. During your consultation, one of our expert surgeons will evaluate your symptoms, anatomy, and goals to create a personalized treatment plan that can improve both your appearance and your confidence.
Explore Gynecomastia Treatment Options in NYC
If you’ve developed fullness in your chest area, but are unsure whether you’re dealing with gynecomastia or excess chest fat, performing the gynecomastia pinch test can help. However, if you’re looking for a definitive diagnosis and want to explore advanced gynecomastia treatment options, it’s time to schedule a consultation at Greenberg Cosmetic Surgery and Dermatology in NYC. Dr. Stephen T. Greenberg and his team have extensive experience treating both glandular and fat-related male chest enlargement and can guide you toward the most effective way to restore a flatter, more sculpted chest. To make an appointment, call our office today at (888) 680-2090 or fill out the online contact form.