The ‘other half’ of breast cancer: A review of male breast cancer

Male breast cancer has always been shadowed by the attention received by its other half of the coin; female breast cancer. It is widely known to be 1% of all breast cancer, constituting also about 1% of all breast cancer literature. As a rare disease, it is fortunate that its female counterpart has provided it with the wealth of knowledge to treat it effectively. Although very similar, male breast cancer has unique characteristics requiring a different approach to female breast cancer. In this review, the cause, prognosis, psychosocial effect and treatment options of male breast cancer are discussed, paying particular attention to endocrine therapy.