Citation, DOI, disclosures and article data
Citation:
Weerakkody Y, Luong D, Baba Y, et al. Pulmonary venous obstructive syndrome. Reference article, Radiopaedia.org (Accessed on 29 Mar 2025) https://doi.org/10.53347/rID-76647
Pulmonary vein obstructive syndrome (PVOS) is a form of pulmonary venous stenosis which can occur as a result of pulmonary venous infiltration by a tumour or compression by affected lymph nodes with resultant venous stasis +/- subsequent thrombosis. It can occur to a variable extent.
Terminology
Please note that, although the very similar name, this is a distinct entity from pulmonary veno-occlusive disease (PVOD), which is a chronic fibrotic occlusion of the postcapillary pulmonary vasculature.
Radiographic features
Plain radiograph
Non-specific but may show varying degrees of limited regional or global pulmonary oedema. Pleural effusions may also be present.
CT
Tend to show pulmonary vein thrombus +/- tumour within and surrounding the pulmonary veins 1.
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2. Liaw CC, Chang H, Yang TS, Wen MS. Pulmonary Venous Obstruction in Cancer Patients. (2015) Journal of oncology. 2015: 210916. doi:10.1155/2015/210916 - Pubmed
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3. Chen CL, Tunick PA, Kronzon I. Pulmonary vein compression by tumor: an unusual Doppler flow pattern. (2005) Echocardiography (Mount Kisco, N.Y.). 22 (9): 746-7. doi:10.1111/j.1540-8175.2005.00114.x - Pubmed
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4. Galizia M, Renapurkar R, Prieto L, Bolen M, Azok J, Lau CT, El-Sherief AH. Radiologic review of acquired pulmonary vein stenosis in adults. (2018) Cardiovascular diagnosis and therapy. 8 (3): 387-398. doi:10.21037/cdt.2018.05.05 - Pubmed
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