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June 1983

Pneumocephalus From a Frontal-Ethmoid Neurilemoma

Author Affiliations

From the Departments of Otorhinolaryngology (Drs Miglets and Rood) and Pathology (Dr Lucas), Ohio State University College of Medicine, Columbus.

Arch Otolaryngol. 1983;109(6):417-419. doi:10.1001/archotol.1983.00800200063018

• A 68-year-old man had memory lapse, character change, and unsteady gait. Skull films disclosed a spontaneous pneumocephalus with air in both ventricles. A dense, bony lesion in the right ethmoid area was thought to be an osteoma, a not infrequent cause of dural erosion. The bony lesion, however, proved to be an osteoid reaction around a primary neurilemoma. Neurilemomas arising in the paranasal sinuses are uncommon tumors and, to the best of our knowledge, this is the first reported case of a patient with a neurilemoma who had pneumocephalus. The lesion was excised through a Lynch approach, and the patient has remained free of tumor for the past two years.

(Arch Otolaryngol 1983;109:417-419)

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