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2014, Volume 30, Number 3, Page(s) 225-227     
[ Abstract (Turkish) ] [ Full Text ] [ PDF ] [ Similar Articles ]
DOI: 10.5146/tjpath.2014.01249
Primary Chondroblastic Osteosarcoma of the Breast
Mohamed Reda EL OCHI1, Fouad ZOUAIDIA2, Rachad KABAJ1, Hafsa EL OUAZZANNI1, Mohamed ALLAOUI1, Mohamed OUKABLI3, Abderrahman AL BOUZIDI3, Basma EL KHANNOUSSI1
1Department of Pathology, National Institute of Oncology, RABAT, MAROC
2Ibn Sina Hospital, RABAT, MAROC
3Mohamed V Military Hospital, RABAT, MAROC
Keywords: Breast, Osteosarcoma, Sarcoma

Pure sarcomas of the breast are uncommon, accounting for less than 1% of primary breast malignant tumors. Mammary osteogenic sarcomas are very rare and less than 100 cases have been reported in literature. They mainly affect older and middle aged women and are highly aggressive. We report an additional case in a 56-year-old woman. Histological and immunohistological characteristics were similar to those described in other localizations. Differential diagnosis involves phyllodes sarcoma, breast metaplastic carcinoma with chondroid and osteoid differentiation, osteosarcoma of the ribs, and metastatic osteosarcoma. The prognosis is poor.

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