(BMJ)—A 50-yo man w/ poorly controlled DM presented w/ a droopy L eyelid and double vision. He denied headache. Exam: L pupil 4 mm, sluggish reaction to light; R pupil 3 mm, normal reaction to light. L eye: impaired extraocular movements. Visual acuity: 20/30 R and L. Posterior segment exam grossly normal. Head CT normal. Labs: blood glucose, 330 mg/dL to 350 mg/dL; HbA1c, 12.2%. What’s the dx?
Diabetic cranial neuropathy
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Acute ischemic stroke
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Myasthenia gravis
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Cerebral venous sinus thrombosis
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Intracerebral aneurysm
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