Abstract
INTRODUCTION: Hamartomas of the breast are benign tumors of glandular tissue, they present a hormonal factor in their development: therefore, they are more common in pregnant and lactating women. CASE REPORT: A case of hamartoma is present in a man in the sixth decade of life, managed with conservative mastectomy of the nipple-areola complex. CONCLUSION: In men, it is an unusual entity, with an incidence of <1% of all breast lesions; however, they can cause concern because their behavior is similar to malignant tumors, and normally its diagnosis is only confirmed when the entire resection piece is analyzed.