High dose methotrexate is used for the treatment of(REPEAT): (A) Osteosarcoma, (B) Rhabdomyosarcoma, (C) Retinoblastoma, (D) Ewing's sarcoma
Answer is A. Ref: Harrison's 17th/612 Drugs used for osteosarcoma are: Doxorubicin Ifosfamide Cisplatin High dose methotrexate with leucovorin