A 60-year-old woman was presented in the clinic with complete left-side ptosis since morning. She had complained of dull left orbital pain the day before. Her history is significant for migraines, hypertension, and diabetes mellitus. Examination revealed complete left-side ptosis, 2 mm of anisocoria (left pupil larger than right), and impaired left ocular motility.
She cannot adduct the eye past the primary position, has impaired upgaze, and develops intorsion on attempted down gaze. The rest of the examination findings are normal. What could be the possible diagnosis for this patient? *This case is from Docplexus editorial team for educative purpose only Source: clinical pearls in neurology
