A 32-year-old woman comes to the physician because of weakness of the lower extremities for 2 days.

Discussion in 'Step 3' started by samuel, Dec 2, 2013.

  1. samuel

    samuel New Member

    A 32-year-old woman comes to the physician because of weakness of the lower
    extremities for 2 days. Three years ago, she had pain and partial loss of vision of
    the right eye; the vision returned to normal after 6 weeks. There is mild pallor of
    the right optic disc. She has impaired tandem gait. Babinski's sign is present
    bilaterally. There is mild spasticity of the lower extremities and mild weakness of
    the iliopsoas and hamstring muscles. Serum creatine kinase activity is 50 U/L.
    Which of the following is the most likely diagnosis?

    A) Amyotrophic lateral sclerosis

    B) Becker's muscular dystrophy

    C) Diffuse sensorimotor peripheral neuropathy

    D) Duchenne's muscular dystrophy

    E) Hyperkalemic periodic paralysis

    F) Hypokalemic periodic paralysis

    G) Multiple sclerosis

    H) Myasthenia gravis

    I) Myasthenic (Lambert-Eaton) syndrome

    J) Myotonic muscular dystrophy

    K) Polymyositis

    L) Pontine astrocytoma

    M) Pontine infarction

    N) Spinal cord tumor

    O) Transverse myelitis

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