Gynecomastia classification

Gynecomastia Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Omodamola Aje B.Sc, M.D. [2]

Classification

The spectrum of gynecomastia severity has been categorized into a grading system:

• Grade I: Minor enlargement, no skin excess
• Grade II: Moderate enlargement, no skin excess
• Grade III: Moderate enlargement, skin excess
• Grade IV: Marked enlargement, skin excess