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30-year-old otherwise healthy woman presents to her physician with complaints of fatigue and dyspnea. Physical examination reveals normal breath sounds and the presence of third and fourth heart sounds. Chest x-ray shows clear lung fields but right ventricular enlargement, main pulmonary artery enlargement, and "pruning" of the peripheral vasculature. Electrocardiogram shows right axis deviation and right ventricular hypertrophy. Left ventricular function appears normal on echocardiography. Serologic studies show antinuclear antibodies. Which of the following pathological findings would this patient also show, either at autopsy or if an appropriate biopsy was taken?


A. Mural thrombus of the right atrium

B. Necrosis and scarring of the left ventricle

C. Plexogenic pulmonary vasculopathy

D. Pulmonary artery stenosis

E. Severe pulmonary fibrosis

bbb

C....

C.plexogenic pulm vasculopathy, the smallest arterioles become dilated with lumens partially occluded by endothelial cells / thrombus.

c.. no thrombus,, its just the thickening of walls of pulm arterioles, give hydralazine and anticoagulate

cc

C...