Key result
CT analysis of pulmonary veins established normal dimensions, revealing all veins are ovoid and the left inferior vein normally narrows as it enters the left atrium.
Population
104 patients referred to exclude pulmonary embolism, 68 women and 36 men, age range 19-86 years.
Design
Cross-sectional
Authors
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Avoid mistaking normal left inferior pulmonary vein narrowing for stenosis on CT; extends anatomic references while leaving open larger validation.
Cross-Sectional (n=104)
Normal pulmonary vein anatomy varies significantly, and the left inferior pulmonary vein normally narrows as it enters the left atrium, a finding that should not be mistaken for stenosis.
Kim et al. (2005) conducted a cross-sectional in Referred to exclude pulmonary embolism (n=104). Thin-section contrast material-enhanced spiral chest CT was evaluated on Normal values for pulmonary vein diameter, cross-sectional area, and shape. CT analysis of pulmonary veins established normal dimensions, revealing all veins are ovoid and the left inferior vein normally narrows as it enters the left atrium.
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