09-06-2015, 10:32 AM
NBME 2 Q.
A 49 y/o woman comes to the physician because of a fever, cachexia, and malaise for the past 6 months. Auscultation discloses a low-pitched, early to mid-diastolic murmur. Echocardiography shows a left atrial mass that prolapses into the mitral valve orifice during diastole. Which of the following findings is most likely on microscopic examination of this mass?
A) Glycogen-containing polygonal cells
B) Amorphous extracellular matrix
C) Malignant lymphoid cells
D) Malignant spindle cells
E) Mature adipose cells
A 49 y/o woman comes to the physician because of a fever, cachexia, and malaise for the past 6 months. Auscultation discloses a low-pitched, early to mid-diastolic murmur. Echocardiography shows a left atrial mass that prolapses into the mitral valve orifice during diastole. Which of the following findings is most likely on microscopic examination of this mass?
A) Glycogen-containing polygonal cells
B) Amorphous extracellular matrix
C) Malignant lymphoid cells
D) Malignant spindle cells
E) Mature adipose cells
