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Which of the following findings is depicted in the vessel imaging shown?
A 65-year-old male presents with an acute onset of back pain, bilateral lower extremity weakness, and bladder incontinence. A physical exam reveals decreased strength and loss of pain and temperature sensation in both legs. Vibratory and light touch sensation and proprioception remain intact. A lesion to which of the following arteries would most likely be responsible for this clinical presentation?
A 67-year-old male wakes up with a painful, right-sided, itchy rash coming across his abdomen like a band involving the umbilicus. His primary care provider is concerned that the patient has shingles. For this patient, re-activation of the varicella-zoster virus occurred at the dorsal root ganglion at which thoracic level?
Anti-Ma2 autoantibodies are most commonly associated with which of the following tumors?
A 7-year-old male with a history of multiple febrile seizures has recently presented repeatedly with new recurrent non-febrile clonic seizures. Which of the following gene mutations is associated with this epilepsy syndrome?
You are caring for a 1-month-old infant in the neonatal ICU with abnormal movements since birth. The baby is seen writhing in bed, with her arms and legs and axial trunk moving in a snake-like pattern. A CT head is done and shows bilateral cystic lesions on the basal ganglia. Toxic levels of which of the following are most likely at play?
A 59-year-old woman presents to the emergency room with dizziness and left ear fullness. The symptom is described as a spinning sensation that is present at rest and with action. She has had comparable events before, which have self-resolved over time. The patient is ataxic on the exam and has difficulty hearing out of her left ear. An MRI brain with and without contrast was normal. Which of the following is the most appropriate line of therapy that will decrease the risk of future recurrent events?
A 35-year-old male with balance issues is referred for an EMG/NCS. Distal sensory loss of the feet, high-arched feet, and diffuse hyporeflexia are appreciated on the exam. His nerve conduction studies are shown below. Based on the available information what is the most likely diagnosis?
Which of the following CSF findings would be expected in a patient with AIDP?
A 7-year-old boy with no significant past medical history presents to the clinic after declining school performance and daydreaming. A routine EEG is performed and shown below (bipolar montage). Which of the following medications is the most appropriate first-line therapy?