This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cerebrovascular, Subject name: Medicine
A patient presented with contralateral hemiplegia and sub-periosteal bleeding. Which of the following will be the initial investigation of choice? 
Select and explain. 
A. Chest x-ray, B. CT-scan, C. MRI, D. PET - scan
B: CT-scan
Answer: B: CT-scan 
Explanation: Ans. (b) CT-scanRef: Harrison 19th ed. / 2582* For evaluation of bleeding in the brain the preferred investigation is CT scan. The bleeding in the brain shows up as hyper-density on CT scan.