Rhabdomyosarcoma and chondrosarcoma arising in a mature cystic teratoma of the ovary and osteosarcoma arising in its recurrence

A case of malignant transformation within a mature cystic teratoma (MCT) including two different sarcoma types (rhabdomyosarcoma and chondrosarcoma) in the initial tumor and a third new type (osteosarcoma) in the second recurrence 16 months later in a 64-year-old postmenopausal woman is presented. T...

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