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1137 Medicine

A 63-year-old man is noticed to have asymmetric pupils. He is completely well and has no symptoms. On examination, the left pupil is small, round, and has a brisk response to light and near stimuli (accommodation). There is also ptosis of the left eyelid, but no other ocular movement abnormality or symptoms of double vision.For the above patient with a pupillary abnormality, select the most likely diagnosis.

Aessential anisocoria
BHorner syndrome
Ctonic pupils (Holmes-Adie syndrome)
DArgyll Robertson pupils
Medicine
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1143 Medicine

A 25-year-old man is brought to the emergency department after sustaining a stab wound to the lower back. Examination shows right leg weakness in all muscle groups and loss of vibration and proprioception on the same side. There is loss of pain and temperature sensation but preserved motor strength in the left leg. He has no problems with bladder or bowel retention. Motor strength is preserved in the upper extremities. His presentation is most consistent with which one of the following spinal cord syndromes?

AAnterior cord syndrome
BCauda equina syndrome
CCentral cord syndrome
DHemisection of the cord
Medicine
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