Primary Osteosarcoma of the Breast with Extensive Chondroid Matrix in a Teenager Female Patient: The Paradoxical Diagnosis in Breast Mastopathy

Yahaya, James JosephOdida, Michael2023-03-012023-03-012020Yahaya, J. J., & Odida, M. (2020). Primary osteosarcoma of the breast with extensive chondroid matrix in a teenager female patient: the paradoxical diagnosis in breast mastopathy. International Medical Case Reports Journal, 11-17.https://doi.org/10.2147/IMCRJ.S233674https://nru.uncst.go.ug/handle/123456789/8042Non-epithelial tumors of the breast are extremely rare and have an incidence of less than 1%. The most common non-epithelial breast tumor is the phyllodes tumor (PT), which accounts for 61%. Primary osteosarcomas of the breast contribute up to only 12.5% of all breast sarcomas. In young females, osteosarcomas are extremely rare, especially in those without a previous history of primary bone osteosarcoma. A case of a 16-year old female with primary osteosarcoma of the breast (POB) with extensive chondroid matrix involving the left breast is herein presented.enOsteosarcomaBreastChondroid MatrixPrimary Osteosarcoma of the Breast with Extensive Chondroid Matrix in a Teenager Female Patient: The Paradoxical Diagnosis in Breast MastopathyArticle