Adjuvant Treatments
A 16-year-old boy with Ewing sarcoma of the pelvis has completed neoadjuvant chemotherapy with good response. The tumor involves the sacroiliac joint making complete surgical resection challenging with potential major functional deficit. The multidisciplinary team is discussing the role of radiation therapy. Regarding radiation therapy in bone tumors:
Mark each as TRUE or FALSE
Ewing sarcoma is highly radiosensitive; radiation can be used as definitive local treatment when sur...
Chondrosarcoma is classically radioresistant due to low mitotic rate and hypoxic tumor environment; ...
All bone sarcomas are equally radiosensitive; radiation is first-line for osteosarcoma; chondrosarco...
Osteosarcoma is relatively radioresistant; primary treatment is neoadjuvant chemotherapy and wide su...
Palliative radiation is effective for painful bone metastases (single fraction 8Gy or fractionated r...
Answer the questions to see explanations
Click T (True) or F (False) for each option