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Kaplan Qbank USMLE



Author9 Posts
  #1

A 38-year-old man has had increasing dyspnea with peripheral edema, worsening for the past two years. On physical examination he has diffuse crackles auscultated in both lungs. A chest radiograph shows that the heart nearly fills the chest. A chest CT scan demonstrates a 10 cm mass involving the right ventricle that appears to have areas of hemorrhage and necrosis within it. Which of the following neoplasms is this man most likely to have?

A Rhabdomyosarcoma

B Mesothelioma

C Myxoma

D Angiosarcoma

E Papillary fibroelastoma

F Kaposi sarcoma

G Rhabdomyoma

___________________
If you plan too much ahead of time, You lose your focus.

  #2

myxoma is the most common primary adult tumor of the heart.
C

  #3

I guess it is A- if are necrosis and hemorrhage should be a sarcoma and most common sarcoma of the heart is rhabdomyosarcoma


  #4

(C) Incorrect. This neoplasm is usually found in one of the atria. It can produce obstruction of the AV valve (a 'ball-valve' effect).

(A) Incorrect. This is a very rare malignancy that typically appears in soft tissues.

So try again. Look for something a little bit more common, though all tumors of heart are extremely rare. Mass is in the rt ventricle. VERY large(definitely suggests a malignancy) and has hemorrhage and necrosis.

___________________
If you plan too much ahead of time, You lose your focus.

  #5

actually I had to check becose I knew (:madsmiling face rhabdomyosarcoma is the MCC of heart mass and al the chambers could be affected but is the second one!
So I guess is angiosarcoma .


  #6

Is it rhabdomyosarcoma or rhabdomyoma?

___________________
If you plan too much ahead of time, You lose your focus.

  #7

what is the answer?

  #8

angiosarcomaconfused

  #9

Yeah its angiosarcoma.
Very typical presentation


___________________
If you plan too much ahead of time, You lose your focus.







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