Question 20, Neuroradiology

Eccentric topic of the Week, Neuroradiology
Question 20:

A 57 year-old male underwent transnasal/transfacial ethmoidectomy for metastatic squamous cell carcinoma. Post-operatively he developed clear rhinorrhea. Lumbar puncture was performe

d daily for three days, draining 20cc each time. He became confused and lethargic on the third day, On examination he was non-verbal and localized to painful stimulus. Head CT is shown. What is the most appropriate initial step in management?:

A. Administer 100% oxygen
B. No treatment at this time
C. Craniotomy
D. None of the above

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