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What is Radiotherapy is most useful in which of the following: March 2010 and explain in detail?
Ans. C: Seminomas Radiotherapy may be effective alone, or may require the addition of cytotoxic chemotherapy as in the more advanced stages of a Wilm's tumour and Hodgkin's disease. Radiosensitive tumor includes: Malignant lymphomas Seminomas Medulloblastoma Neuroblastoma Wilm's tumour Early cervical carcinoma Vaginal carcinoma Most head and neck tumours Radioresistant tumours are those that do not respond to radiotherapy. This group includes: Osteosarcoma Fibrosarcoma Liposarcoma Myosarcoma Malignant melanoma Large bowel adenocarcinomas Gliomas