3.17 A 40-year-old woman presented with symptoms of headache, double vision and vomiting. She is known to have ulcerative colitis. The patient initially had a CT and then an MR angiography. The images...

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Extracted text: 3.17 A 40-year-old woman presented with symptoms of headache, double vision and vomiting. She is known to have ulcerative colitis. The patient initially had a CT and then an MR angiography. The images are shown. Which of the following may be helpful in the treatment? A. Antibiotics B. Craniotomy and evacuation of haematoma C. Anticoagulants D. High-dose steroids