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Lesion to which area of the brain causes impairment in naming, fluency, and repetition with intact comprehension?
Which of the following medication regimens would put a patient at the highest risk of medication overuse headaches?
A 7-year-old girl presents with 2 weeks of a right-sided unilateral throbbing headache. She has otherwise been healthy with no other symptoms and has no past medical history except for a light pink birthmark around her right eye. What is the most appropriate next step?
Which of the following arteries supplies the head of the caudate nucleus and the anterior limb of the internal capsule?
Congenital muscular dystrophies are most often associated with which of the following pathophysiologies?
Which of the following blood vessels that supply the thalamus is the only one to branch off of the posterior communicating artery (PCOM) instead of the posterior cerebral artery (PCA)?
A 12-year-old boy with no significant past medical history is admitted to the neurology service after presenting with acute-onset fever, personality changes, and difficulties with speech. His mother states that three days ago he also reported seeing bats and other wild animals running around his room. She decided to bring him to the hospital today after she noticed that he seemed more tired and was moving slower than normal. A lumbar puncture and MRI of the brain are ordered. The CSF shows elevated protein, elevated lymphocyte and red blood cell counts, and normal glucose. MRI of the brain is shown below. What is the most likely diagnosis?
Which of the following findings is depicted in the catheter angiogram shown?
The cell marked by the blue arrow is derived from which germ layer?
A 3-day-old male infant is evaluated in the NICU for fever and focal seizures. He was born at 39 weeks gestation via uncomplicated vaginal delivery and had good APGAR scores. Brain imaging shows periventricular calcifications and severe ventriculomegaly. Auditory testing also demonstrates bilateral hearing impairment. What is the most likely cause of the patient’s symptoms?
A 57-year-old male with an unknown past medical history who recently immigrated from South Asia presents to the emergency department with new-onset skin lesions on his arms. On physical exam, the patient has two large, erythematous lesions with a clearly demarcated but flat border. The nerves around these lesions appear thickened. Biopsy of the lesions shows epithelioid cell granulomas and few bacteria. What is the most likely diagnosis?
A 65-year-old female presents with an abrupt onset of akinetic mutism, lack of motivation, apathy, bilateral leg weakness, and incontinence. A lesion to which of the following vascular territories could explain her symptoms?
A 63-year-old woman with a history of right-sided breast cancer status post-mastectomy, chemotherapy, and radiation presents to your clinic with a 2 months history of right arm pain and paresthesias. Which of the following findings on EMG/NCS would most likely suggest a radiation-induced plexopathy over a recurrent neoplastic plexopathy?
Which of the following is the mechanism of action of tetrabenazine?
A 42-year-old woman with multiple sclerosis presents to the ER after having worsening confusion over a few days with worsening weakness and vision loss. She was on natalizumab for years and her most recent JCV antibody titer was negative. She has missed several months of infusions due to her helping a sick relative. Her MRI shows multiple new T2 hyperintensities with enhancement in the periventricular and subcortical white matter. What is the most likely diagnosis?