Left facial weakness for a few days.
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Post contrast scans show vivid enhancement in the distal intracanalicular portion of the left facial nerve continuous with vivid enhancement in the left geniculate ganglion, which is slightly enlarged. Contrast enhancement then extends anteriorly into the left greater superficial petrosal nerve and posteriorly into the descending intrapetrous portion of the left facial nerve. No pathological enhancement detected elsewhere. In particular, no pial enhancement detected.
MRI appearances are in keeping with those seen in isolated Bell's palsy.