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A 55-year-old was recently diagnosed with breast cancer. She required a right mastectomy, lymph node resection, and local radiation. She presents to your clinic with right arm pain and weakness. On exam, she has weakness only to forearm pronation, and flexion at the wrist and biceps. She also has numbness of the lateral hand and the first 3 digits.
Which cord or nerve was likely injured from the surgery or radiation?
Which of the following anatomic structures is responsible for the perception of superficial light touch?
A pure sensory stroke is most likely to damage which structure?
Cerebral amyloid angiopathy would be best appreciated on which of the following MRI sequences?
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)?
Lesion to which area of the brain causes impairment in naming, fluency, and repetition with intact comprehension?
A 75-year-old woman with HTN presents with sudden memory deficits and a change in emotional regulation. She is found to have a lacunar infarct, and you feel a disconnection of the Papez circuit may explain her symptoms. Which of the following is not considered a part of the Papez circuit?
An 80-year-old woman with uncontrolled HTN presents to the ED with symptoms upon awakening of left hemi-sensory loss, last seen well 8 hours prior. MRI is done and shows a lateral thalamic lacunar stroke. The small branch affected in this lacune is most often a branch of which major artery?
Which of the following structures has an intact blood-brain barrier?
Which of the following can not cross the blood-brain barrier via channel-mediated transport?
Vasogenic edema would be best appreciated on which of the following MRI sequences?
A 32-year-old obese and pregnant female in her third trimester presents to the clinic with pain and tingling of the lateral thigh with occasional aching in the groin. It is worsened by moving to a standing or sitting position and by wearing tight underwear. She has numbness on the right anterolateral thigh up to the level of the hip. The strength exam is normal. Which nerve is likely affected?
A young infant is found after birth to have an abnormality of the left arm. The arm is held down by the infant’s side, adducted and medially rotated, and the forearm is extended and pronated. What is the anatomic location of the injury causing the deficits?
Which of the following best describes the clinical features seen in transcortical motor aphasia?
A 45-year-old man presents to the clinic with a disc of the following MRI. Which symptom is the patient likely experiencing?