Mammographic and Ultrasonographic Features of Male Breast Cancer
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Abstract
Objective: To determine mammographic and ultrasonographic features of male breast cancer.
Methods: A retrospective study was conducted on consecutive men who underwent mammography and ultrasonography at the Diagnostic Breast Cancer Center in Vajira Hospital from January 1, 2010 to December 31, 2019. Clinical information, mammographic and ultrasonographic findings, method of tissue diagnosis, and pathological results were retrospectively reviewed. Then, the incidence of male breast cancer was analyzed.
Results: A total of 41 men underwent mammography in the institution during the study period with a median age of 68 (interquartile range, 58–76) years. Three patients were diagnosed with breast cancer (7.3%), with circumscribed high-density mass being the most common mammographic finding in the cancer group and gynecomastia in the benign group. Ultrasonographic finding in the cancer group showed a solid hypoechoic mass in 1 patient and complex mass with solid-cystic components in 2 patients. Tissue diagnosis and pathological results were observed in 6 patients. Breast cancer was found in 3 patients (invasive ductal carcinoma in 2 and intraductal papillary carcinoma in 1 patient) and benign pathology of gynecomastia in 3 patients. The incidence of male breast cancer in this study was 7.3%.
Conclusion : Male breast cancer commonly presents as a high-density mass with circumscribed margin in a subareolar location on mammography and as a solid hypoechoic mass or a complex mass with solid-cystic components on ultrasonography. As a result, a circumscribed mass on mammography with cystic components on ultrasound in a male patient should be suspected of malignancy.
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