Swelling of a man’s left breast may be caused by subcutaneous emphysema of the chest wall, or it may be caused by gynecomastia, or it may be caused by male breast cancer.
1. Chest wall subcutaneous emphysema: Chest wall subcutaneous emphysema may be caused by closed or open chest injury, often secondary to sternum or rib fractures with pneumothorax, the air through the damaged area into the left chest subcutaneous tissue, which can appear in the man’s left breast swelling symptoms.
2. Gynecomastia: Gynecomastia is a disease caused by abnormal proliferation and development of male breast tissue, which can lead to symptoms of swelling of the left breast and breast tenderness.
3. Male breast cancer: male breast cancer is a rare disease, which can lead to malignant proliferation of male breast epithelial cells, and then appear the symptoms of swelling of the left side of the man’s breast, the patient can also appear nipple discharge, local lymph node enlargement and other symptoms.
In addition to the above diseases, other factors such as skin allergies can also lead to the symptoms of left breast swelling in male patients, it is recommended to consult a doctor in time to identify the cause and ask the doctor to deal with it.