TUMOUR RECURRENCE OF METAPLASTIC SPINDLE CELL CARCINOMA BREAST

Metaplastic carcinomas are malignant tumours of breast in which there is differentiation of epithelial components into non-glandular elements such as spindle cell, squamous, osseous and chondroid features. A 50- year-old woman presented with a complaint of a lump in her left breast, measuring 12 × 6 × 5 cm. She is a follow up case of left mastectomy which was done 1.5 years back followed by 6 cycles of adjuvant chemotherapy in view of carcinoma breast. Ultrasonography showed well defined lobulated heteroechoic space occupying lesion with significant internal vascularity in left chest wall likely BIRADS IV/V. Fine needle aspiration cytology showed Recurrence of malignant mesenchymal neoplasm with following differentialsMalignant phylloides tumour and metaplastic carcinoma.Excision and removal was done under general anaesthesia.The specimen was sent to the pathology department for histopathological analysis, which confirmed a diagnosis of recurrent metaplastic spindle cell carcinoma of the breast.