Triple-negative occult breast cancer: A case report

The phenomenon of occult breast cancer represents a rare scenario raising crucial questions regarding its clinical presentation, diagnosis, and timely treatment. The therapeutic challenge can become even more difficult in the specific case of triple-negative breast cancer. This article presents the case report of a patient who had a palpable axillary nodule during a routine gynecological exam. A core needle biopsy confirmed that the patient had metastatic ductal carcinoma of mammary origin, which was triple-negative. Despite several diagnostic procedures, there was no evidence of a primary tumor in the breast clinically or in imaging studies. The patient underwent neoadjuvant chemotherapy with satisfying outcomes and later, to radical surgery therapy regardless of the feasibility of receiving a conservative treatment.