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International Journal of Emergency Medicine volume 2, pages 129–130 (2009)
A 79-year-old male presented to the emergency department after a facial trauma because of a mechanical fall 3 h prior with no history of loss of consciousness. The patient had Parkinson’s disease and atrial fibrillation (AF), and was on treatment with acetylsalicylic acid for AF. The family reported that he was dependent for all basic daily activities and had mild cognitive deterioration. Physical examination showed that he was lethargic, but oriented, bradykinetic, and had gait and balance difficulty. No headache or confusion was reported. All cranial nerves were intact, and there were no motor or sensory deficits. He had superficial lacerations in the nasal and frontal regions. Nasal and ocular orbit X-rays were taken, showing nasal fracture and pneumocephalus (Fig. 1). Computed tomography scan confirmed pneumocephalus and multiple craniofacial fractures (Fig. 2). After a week of observation and prophylactic antimicrobial therapy during which there was no clinical deterioration, the patient was discharged. At follow-up 5 weeks later, the patient was at his clinical baseline. Repeated imaging showed progressive resolution.
Pneumocephalus is the presence of air in the cranial vault. It is usually associated with neurosurgery, barotrauma, basilar skull fractures, sinus fractures, nasopharyngeal tumor invasion and meningitis [1, 2]. Headache and altered consciousness are the most common symptoms . Tension pneumocephalus can occur and is a neurosurgical emergency . Plain X-rays can diagnose pneumocephalus, but CT scan is the diagnostic modality of choice . A classical CT sign of tension pneumocephalus is the “Mount Fuji sign”: the massive accumulation of air that separates and compresses both frontal lobes and mimics the profile of the large volcano in Japan. In our case, the air only compressed the right frontal lobe. Most cases of pneumocephalus resolve spontaneously, and conservative management should be provided. Nonoperative management involves oxygen therapy, keeping the head of the bed elevated, prophylactic antimicrobial therapy (especially in post-traumatic cases), analgesia, frequent neurologic checks and repeated CT scans.
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Aguilar-Shea, A.L., Mañas-Gallardo, N. & Romero-Pisonero, E. Post-traumatic pneumocephalus. Int J Emerg Med 2, 129–130 (2009). https://doi.org/10.1007/s12245-009-0108-9
- Atrial Fibrillation
- Mild Cognitive Deterioration
- Cranial Vault
- Nasopharyngeal Tumor
- Nasal Fracture