Sunday, 11 September 2016

Self assessment USMLE Step 1 - MCQ of the Day


A 59 years old male who has been smoking for the last 30 years has cough and hemoptysis for the last 6 months. He has pain in his right shoulder and arm.  His Physical examination shows lack of breathsounds at the right upper chest zones.  The pupil on the right side is constricted and there is drooping of the eyelid.  Which of the following structure is involved in the development of this clinical picture?

Image result for pancoast tumor

 

  1. Cervical sympathetic trunk
  2. Maxillary Nerve
  3. Oculomotor Nerve
  4. Trigeminal Nerve
  5. Trochlear Nerve

 

 

 

 

 

Answer: a

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