Primary soft tissue sarcoma breast with multiphenotypic differentiation.

Primary soft tissue sarcomas of the breast are rare aggressive neoplasms. These often are misdiagnosed with other more common neoplasms like fibroepithelial malignancies, namely phyllodes tumour and metaplastic carcinoma. Being uncommon, chances of being misdiagnosed are higher leading to early mortality. A multidisciplinary team incorporating surgery, pathology, chemotherapy and radiotherapy is required to formulate an approach to primary soft tissue sarcoma. Generally, these tumours may show single or dual phenotype; we present one rare case report showing multiphenotypic differentiation.

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Competing interests: None declared.