Traumatic intraorbital aerocele with pneumocephalus.

X-Ray Quiz: An Old Man with Facial and Nasal Injuries

“…1,[3][4][5] At least 2 ml of air should be present if it is to be shown up in plain X-ray 6 and it could be the only radiological sign of fractured base of skull. 5 Computerised tomography of the brain is able to detect 0.5 ml of air. 6 All emergency physicians should be aware of this radiological feature.…”

“…It could develop acutely as in this case or years after the injury. 1,[3][4][5] At least 2 ml of air should be present if it is to be shown up in plain X-ray 6 and it could be the only radiological sign of fractured base of skull. 5 Computerised tomography of the brain is able to detect 0.5 ml of air.…”