A complete pathological response to preoperative chemotherapy in a male patient with primary neuroendocrine breast cancer: a case report

Key Points

• A complete pathological response occurred after preoperative chemotherapy for neuroendocrine breast cancer, promoting further investigation.
• This case illustrates successful treatment outcomes, with biomarkers assisting in understanding the cancer's biology.
• It represents a critical turn in treatment protocol for a rare male presentation of breast cancer, previously underexplored.
• The findings support the need for broader studies on treatment effectiveness in this unique cancer subtype.