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A 55-year-old woman who presented with persistent dizziness. From inferior to superior, axial T2 SPACE images demonstrate fluid-filled remodeling/expansion of the right geniculate ganglion fossa (straight arrows), compatible with a meningocele (A–C). The labyrinthine segment of the facial nerve canal (curved arrow) is 0.9 mm in diameter, which is at the upper limit of normal but does not meet the defined size criteria for a meningocele. The normal left side is shown for comparison (D).
