Luke Halliday, Paul Ikgan Sia, Dinesh Selva, Bobby S. Korn
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A 64-year-old man presented with a 3-month history of diplopia and left-sided proptosis. Examination was significant for impairment of his left second, third, fourth, fifth, sixth, and seventh cranial nerves. Magnetic resonance imaging revealed a left orbital apex and cavernous sinus lesion. However, subtle thickening of his left frontal and supraorbital nerve was not identified until later. A trial of steroids provided minimal effect. Biopsy of the lesion showed a well-differentiated squamous cell carcinoma. The patient was subsequently managed with palliative radiotherapy.
https://www.surveyophthalmol.com/article/S0039-6257(17)30313-2/fulltext