Causes of Breast Disorders and Gynecomastia - Differential Diagnosis Algorithm
Breast Infection:
- Lactational
• Mastitis
• Abscess
- Non-Lactational
• Subareolar abscess
• Acute mastitis
Breast Mass - Malignant:
- Non-invasive
• Ductal carcinoma in situ
• Lobular carcinoma in situ
- Invasive
• Ductal carcinoma
• Lobular carcinoma
• Tubular carcinoma
• Medullary carcinoma
• Papillary carcinoma
• Mucinous carcinoma
Breast Mass - Benign:
- Solid
• Fibroadenoma
- Cystic
• Gross cyst
• Galactocele
• Fibrocystic
Gynecomastia:
- Physiologic
• Newborn
• Adolescence
• Aging
- Pathologic
• Drugs
• Decreased testosterone
• Increased estrogen
• Idiopathic
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