PAEA Surgery End Of Rotation (EOR) Practice Exam

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What percentage of cerebellar astrocytomas are completely resectable?

25%
50%
75%
100%

The correct answer is: 75%

Cerebellar astrocytomas, particularly in children, are often classified as low-grade tumors that tend to have a favorable prognosis following surgical intervention. The statistic that approximately 75% of these tumors are completely resectable highlights the fact that many of these growths are well-circumscribed and located in areas where surgical excision can be effectively performed without significant complications. This level of resectability is attributed to factors such as the tumor's typical presentation, its growth patterns, and the access afforded by the cerebellum's anatomical features. A substantial proportion of these patients experience successful outcomes with complete tumor removal, which is crucial not only for immediate symptom relief but also for decreasing the likelihood of recurrence. Understanding resectability percentages is vital in surgical planning and counseling patients regarding their prognosis, as achieving complete resection significantly improves survival rates and quality of life for individuals diagnosed with cerebellar astrocytomas.