Primary Squamous Cell Carcinoma of the Breast

ABSTRACTA patient with pure primary quamous cell carcinoma (SCC) of the breast is reported. The patient was a 72 year old female who presented with a 4 month history of an enlarging left breast mass. Surgery involved a radical mastectomy and this was followed by post‐operative radiotherapy and chemotherapy. The patient died of extensive metastatic disease some four months after surgery.The various characteristics of SCC of the breast are briefly discussed. A sub‐group of SCC of the breast is identified among reported cases in which the clinical course is characterised by a very rapid growth, extremely aggressive behaviour and early metastasis.