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November 1992

The Utility of Magnetic Resonance Imaging in the Diagnosis of Intranasal Meningoencephaloceles

Author Affiliations

From the Neuroradiological Division of the Russell H. Morgan Department of Radiology (Dr Zinreich), the Department of Otolaryngology Head and Neck Surgery (Drs Borders, Eisele, and Mattox), the Department of Neurosurgery (Dr Long), The Johns Hopkins Medical Institutions, Baltimore, Md; and the Department of Otolaryngology—Head and Neck Surgery, University of Pennsylvania, Philadelphia (Dr Kennedy).

Arch Otolaryngol Head Neck Surg. 1992;118(11):1253-1256. doi:10.1001/archotol.1992.01880110121021

• We present three patients in whom the diagnosis of intranasal meningoencephalocele was made by magnetic resonance imaging. The initial clinical evaluation and computed tomographic examinations of these patients failed to distinguish between chronic inflammation and intranasal meningoencephalocele. Although both computed tomography and magnetic resonance imaging are used to distinguish between normal, inflammatory, and neoplastic tissue in the nasal cavity and paranasal sinuses, limitations do exist and these are the focus of our communication. A clear understanding of the efficacy of these radiographic modalities will enhance surgical planning and can preclude severe complications.

(Arch Otolaryngol Head Neck Surg. 1992;118:1253-1256)