A 20-year-old man comes for a routine health maintenance examination. He has a 15-year history of di

Discussion in 'USMLE Step 2 CK' started by samuel, Dec 30, 2013.

  1. samuel

    samuel New Member

    A 20-year-old man comes for a routine health maintenance examination. He has a 15-year history of difficulty relaxing his hands after tightly gripping objects or after shaking hands. His father has cataracts and frontal baldness. Examination shows thin forearms. There is moderate weakness of the hands and difficulty releasing after gripping with his hands. Which of the following is the most likely diagnosis?

    A
    ) Amyotrophic lateral sclerosis

    B
    ) Cervical spondylosis

    C
    ) Multiple sclerosis

    D
    ) Myasthenia gravis

    E
    ) Myasthenic (Lambert-Eaton) syndrome

    F
    ) Myotonic muscular dystrophy

    G
    ) Polymyalgia rheumatica

    H
    ) Polymyositis

    I
    ) Progressive neuropathic (peroneal) muscular atrophy

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