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Optic nerve glioma is associated with which of the following diseases?
A 50-year-old man presents with slowly progressive cognitive decline and personality changes. Over the past several months, he has been having trouble remembering the names of relatives/close friends and he has also become more apathetic. He is known to have trisomy 21. His exam is notable for memory deficits, but no rigidity or tremor. What is the name of the region of the brain that synthesizes the neurotransmitter that is decreased in this patient’s disease?
A 37-year-old retired nurse is being evaluated in the emergency room for excessive diarrhea. She has been in the emergency department multiple times in the past for similar complaints and diagnostic testing has repeatedly been unremarkable. While casually talking to the nursing staff, the patient accidentally knocks over her purse and several bottles of laxatives fall out. Which of the following is the most likely diagnosis?
Which of the following is the most likely cause of the findings appreciated on the axial CT head shown below?
A 65-year-old male is brought in by his daughter due to progressive headache and memory difficulties. MRI of the brain was ordered and is shown below (Left: T2 FLAIR, Right: T1 with contrast). A biopsy of the lesion would most likely reveal which of the following?