Imaging Pearls ❯ Cardiac ❯ Pulmonary Artery and Veins
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“ This study shows that missed PE can occur on abdominal CT. It is recommended that interpretation include a careful search of the lower pulmonary arterial vasculature on contrast-enhanced abdominal CT scans.” Missed Pulmonary Embolism on Abdominal CT Lim KY, Kligerman SJ, Lin CT, White CS AJR 2014; 202:738-743
“ The challenge in identifying PE is clearly greater on abdominal CT than on chest CT. In addition to the multiple pitfalls described already, the lungs are typically not a primary target of abdominal CT interpretation, and only a limited part of the pulmonary anatomy is included.” Missed Pulmonary Embolism on Abdominal CT Lim KY, Kligerman SJ, Lin CT, White CS AJR 2014; 202:738-743
Congenital Causes of Right Heart Dilatation in Adults
- Pretricuspid left to right shunts - Posttricuspid left to right shunts - Tricuspid valve regurgitation - Myocardium - Pulmonary valve regurgitation
" Pulmonary vein diameter, cross sectional area and shape vary. Particular care must be taken when the left inferior pulmonary vein is evaluated for stenosis, as it normally narrows as it enters the left atrium."
Pulmonary Vein Diameter, Cross Sectional Area, and Shape: CT Analysis Kim YH et al Radiology 2005; 235:43-50
" Caliber of the left inferior pulmonary vein decreased as it entered the left atrium. None of the veins were round; all were ovoid. Left sided veins and venous ostia were less round than right sided veins."
Pulmonary Vein Diameter, Cross Sectional Area, and Shape: CT Analysis Kim YH et al Radiology 2005; 235:43-50
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