Table 1:

Classification of male breast masses.

Benign	Malignant/high risk
Gynecomastia	Liposarcoma
Pseudogynecomastia	Paget’s disease
Lipoma	Lymphoma
Hematoma	Metastasis
Fat necrosis	Invasive ductal carcinoma
Intramammary lymph node	Invasive lobular carcinoma
Abscess	Adenoid cystic carcinoma
Epithelial cyst	Verrucous carcinoma
Hemangioma	Ductal carcinoma in situ
Fibroadenoma	Atypical ductal hyperplasia
Angiolipoma	Invasive papillary carcinoma
Angiomyxoma
Myofibroblastoma
Nodular fasciitis
Pilomatricoma
Pseudoangiomatous stromal
Hyperplasia
Papilloma