Neuroanatomy USMLE Step 1 Practice Question
A 32-year-old male complains of progressive, severe, generalized headaches that began 3 months ago, are worse in the mornings, and lately have been accompanied by projectile vomiting. He has also lost his upper gaze, and on physical examination, the upper part of the sclera is visible above the downward-looking irises. Which of the following is the most likely diagnosis?
Answer choices
- ATumor in the area of the pineal glandCorrect answer
- BNelson syndrome
- CPituitary apoplexy
- DBrain tumor affecting the frontal lobe
- EPosterior fossa tumor
- FColloid cyst of the third ventricle
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