Trans-ethmoidal encephalocele

Trans-ethmoidal encephalocele. Midsagittal T1-weighted MRI (A) and metrizamide CT cisternography in sagittal (B) and coronal (C) views show a skull base defect at the right ethmoid sinus with herniated CSF and neural tissue.

MRI: magnetic resonance imaging; CT: computed tomography; CSF: cerebrospinal fluid.

Courtesy of Tadanori Tomita, MD.

Graphic 60761 Version 6.0

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