PAED-0957

A 12-year-old boy hit his head on a pole on the school playground. His friends noted that he lost consciousness for a few seconds. The school nurse sent him to the Emergency Department as he had a small nasal bleed that stopped spontaneously. In the intervening two hours, he has noticed a watery discharge from his nose. On examination, there is considerable bruising on his nose and forehead, he was complaining of a headache. Which is the most appropriate diagnosis?