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A 19-year-old woman presents for evaluation of paroxysmal episodes of vertigo, spasticity, diplopia, and ataxia. She reports that her father and one of her two sisters have similar ailments. At the time of the appointment, there was no diplopia or ataxia appreciated. Myokymia was appreciated on electromyography. Which of the following is the most likely diagnosis?
A 40-year-old textile worker is brought to the clinic for slowly progressive symptoms including shuffling gait, tremor, and profuse drooling. On examination, his speech is difficult to understand and there is cogwheel rigidity in his arms and legs. His tremor is most evident when his limbs are at rest. Exposure to which of the following is the most likely cause of the patients’ symptoms?
A 24-year-old man comes to the emergency room with severe left-hand pain after a fall at home. The patient refuses to allow the nurse or doctor to do a physical exam. A hand X-ray is unremarkable. She insists that all she needs is a note for two weeks of paid leave from her job. Which of the following is the most likely diagnosis?
Identify the pathological abnormality shown in the image below.
A 38-year-old male with a history of sarcoidosis and a one-week history of subacute onset of progressive weakness was admitted to the hospital with difficulty ambulating. On examination, you appreciate bilateral lower extremity weakness and hyporeflexia. Based on the clinical history and EMG findings shown below what is the most likely diagnosis?