Last updated on: April 17th, 2023

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You’re looking at an interactive case study from Prognosis: Your Diagnosis (one of four distinct learning formats available in Clinical Odyssey). Try it out, and have fun improving your clinical skills.

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A 67-year-old man presents with diplopia, blurred vision in his left eye, and an intermittent headache, all for around two weeks. Further questioning reveals recurrent left-sided nasal stuffiness with a blood-streaked mucus discharge for around six months. He has refused to obtain medical attention thus far, and it was only today that his family members were able to persuade him to see a doctor. His medical, surgical, and family histories are otherwise unremarkable, and he is not on any medications.

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