Surgical Pathology Criteria

Gynecomastia

Differential Diagnosis

Diabetic Mastopathy / Lymphocytic Mastitis Gynecomastia
Prominent perivascular, periductal, perilobular cuffing by B lymphocytes Occasional perivascular lymphocytes
Keloidal like stromal fibrosis No keloidal fibrosis
Prominent epithelioid fibroblasts Fibroblasts not epithelioid
History of diabetes No increased incidence of diabetes
Diabetic mastopathy may rarely occur in males

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