This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Which of the following is not true about synol sarcoma? NOT RELATED -OHO \nSelect and explain. \nA. It does not arise from synovium, B. It occurs more common at extraaicular sites, C. It is seen at >50 yrs of age, D. Knee and foot are common sites involved', 'role': 'user'}, {'content': 'Answer: C \nExplanation: SYNOL SARCOMAa. Unrelated to the synoviumb. Histologic resemblance of synol cellsi. 2 types: monophasic, biphasicc. Fusion of genes between chromosome 18 and X chromosome - t(X,18)d. Age distribution: average age 35e. Presentation: Pain associated with deep-seated massf. The histologic hallmark of synol sarcoma is the biphasic morphology of tumor cellsg. t (x, 18) is characteristic of synol sarcoma.h. 4th most common soft tissue sarcomai. Location: Most commonly located around the kneej. Usually occurs within 7 cm of joint, but usually is not intra-aicular (only 10%intraaicular)k. Treatment: Wide resection with chemotherapy, especially with poorly differentiated lesions.l. Sensitive to Ifosfamide regimes', 'role': 'assistant'}]