Escaping from the hunt

A 69-year-old woman presented with chronic, painful, progressive binocular diplopia. Examination showed deficits in multiple sequential cranial nerves (II, III, IV, V1,2,3, and VI). She was initially diagnosed with Tolosa-Hunt syndrome and had a partial response to systemic corticosteroids. Skull base biopsy eventually showed poorly differentiated carcinoma consistent with perineural spread of squamous cell...