Intraparenchymal pneumocephalus caused by ethmoid sinus osteoma Case report
نویسندگان
چکیده
We report a case of intraparenchymal pneumocephalus caused by ethmoid sinus osteoma in a 57-year-old man who had suffered from severe allergic rhinitis because of which he had to frequently blow his nose. He was referred to our hospital for headache and mild left hemiparesis. A computed tomography scan revealed a large intraparenchymal air entrapment in the right frontal lobe related to an osteoma in the ethmoid sinus. The osteoma eroded the upper wall of the sinus and extended into the anterior cranial fossa. During the operation, we noticed that the osteoma had protruded intracranially through the skull base, disrupted the dura, and extended toward the frontal lobe. To the best of our knowledge, this is the first case of intraparenchymal pneumocephalus caused by an ethmoid sinus osteoma.
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