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Retired NBME Step 2 CK Form 7 Answers

step2ck_form7/Block 1/Question#10 (reveal difficulty score)
A previously healthy 42-year-old woman has ...
Thymoma ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags: msk

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submitted by โˆ—russnels(20)
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This woman with fatigue, weakness, lethargy, and diplopia, likely has myasthenia gravis. Thymoma is present in 10-15% of MG patients, and thymectomy is often curative.

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submitted by โˆ—yb_26(316)
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Might be useful:

anterior mediastinal masses - terrible Ts

  • thymoma
  • teratoma
  • thyroid cancer (retrosternal thyroid)
  • (terrible) lymphoma

middle mediastinal masses

  • bronchogenic cyst
  • tracheal tumors
  • pericardial cysts
  • lymphoma
  • lymph node enlargement
  • aortic arch aneurysm

posterior mediastinal masses

  • neurogenic tumors
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 +0  upvote downvote
submitted by โˆ—step_prep5(246)
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  • Young woman + weakness affecting the eyes + anterior mediastinal mass = myasthenia gravis secondary to thymoma
  • Key idea: Myasthenia gravis associated with thymoma, whereas Lambert-Eaton associated with small cell lung cancer

https://step-prep.org/tutoring/

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