Gynecomastia classification

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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]

Overview

Gynecomastia may be classified into 11 classification syste,ms based on a total of 10 breast characteristics

• Breast size
• skin redundancy
• skin elasticity
• Breast ptosis
• Tissue predominance
• Upper Abdominal Laxity
• Nipple malposition
• Tuberosity
• Chest shape and Absence of sternal notch
• Breast Skin Elasticity

Classification

			Grade 1: Small visible breast enlargement, no skin redundancy Grade 2a: Moderate breast enlargement without skin redundancy Grade 2b: Moderate breast enlargement with skin redundancy Grade 3: Marked breast enlargement with marked skin redundancy

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