An 84-year-old man presented to the emergency department following recurrent falls over several weeks and onset of new left-sided weakness. CT of the brain revealed a large air cavity (pneumatocoele) in the right frontal lobe thought to be secondary to an ethmoidal osteoma communicating through the cribriform plate allowing air to be forced into the skull under pressure. Subsequent MRI confirmed these findings and also revealed a small focal area of acute infarction in the adjacent corpus callosum. The patient had a prolonged hospital stay, declined neurosurgical intervention and was discharged home on secondary stroke prevention.
- movement disorders (other than parkinsons)
- ear, nose and throat/otolaryngology
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Contributors FB was personally involved with the care of the patient described in this case report. FB discussed the case at length with DV (stroke specialist), who helped with the construct of this case report, reviewing several drafts including relevant radiological figures.
Competing interests None declared.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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