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Related Experiment Video

Updated: May 23, 2026

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Published on: November 18, 2018

Partial anomalous pulmonary venous return through a left subaortic vein.

Jared S Halpin¹, Jeffrey R Kunin, Melissa L Rosado-de-Christenson

¹Department of Radiology, UMKC School of Medicine, Saint Luke's Hospital of Kansas City, Kansas City, MO, USA.

Journal of Thoracic Imaging

|March 23, 2012

Summary

This study details a rare case of partial anomalous pulmonary venous return, where lung vessels connect abnormally to the heart. This unique presentation offers new insights into congenital heart anomalies.

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Three-Dimensional Echocardiographic Method for the Visualization and Assessment of Specific Parameters of the Pulmonary Veins

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Last Updated: May 23, 2026

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Published on: November 18, 2018

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)

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Three-Dimensional Echocardiographic Method for the Visualization and Assessment of Specific Parameters of the Pulmonary Veins

Three-Dimensional Echocardiographic Method for the Visualization and Assessment of Specific Parameters of the Pulmonary Veins

Published on: October 28, 2020

Area of Science:

Cardiology
Thoracic Surgery
Medical Imaging

Background:

Partial anomalous pulmonary venous return (PAPVR) is a congenital defect where pulmonary veins do not connect normally to the left atrium.
While common forms of PAPVR are documented, rare variations continue to be identified, necessitating detailed case reports.

Observation:

A unique case of PAPVR is presented, involving anomalous drainage from a subsegmental region of the left upper lobe.
The affected pulmonary vein segment was observed to connect directly into the superior vena cava, bypassing the left atrium.

Findings:

This specific pattern of PAPVR, with subsegmental left upper lobe involvement draining into the superior vena cava, has not been previously reported in medical literature.
Embryologic factors are discussed as potential explanations for the genesis of this rare anomaly.

Implications:

This case expands the spectrum of known PAPVR presentations, aiding in more accurate diagnosis and classification.
Understanding rare anomalies like this contributes to a deeper comprehension of cardiovascular development and potential congenital defects.