An unusual pulmonary vascular connection encountered during right upper lobectomy.

Authors

Temmuz Baran Sencan, Mariam Arafa, Fikri Tarik Arici, Cansel Atinkaya Baytemir

Published in

Interdisciplinary cardiovascular and thoracic surgery. Jul 22, 2026. Epub Jul 22, 2026.

Abstract

Pulmonary vascular variations may complicate thoracic surgery, particularly video-assisted procedures where such anomalies increase the risk of bleeding. We report a 77-year-old female undergoing right upper lobectomy for invasive mucinous adenocarcinoma. Imaging revealed a 2 cm posterior right upper lobe nodule with low FDG uptake. Histology showed mixed adenocarcinoma and large-cell neuroendocrine carcinoma (Stage IA). Intraoperatively, a vascular connection consistent with an arteriovenous fistula between the superior pulmonary vein and interlobar pulmonary artery was identified and ligated.

PMID:
42485317
Bibliographic data and abstract were imported from PubMed on 23 Jul 2026.

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