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Updated: Jun 12, 2025

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

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Persistent Left-Sided Superior Vena Cava: A Case Report.

Matthew Hentges¹, Karson Schroeder¹, Aleesha Somani¹

¹General Surgery, Kansas City University, Kansas City, USA.

|September 27, 2024

Summary

A persistent left-sided superior vena cava (PLSVC) is a rare thoracic venous anomaly. This case report details an incidental finding of isolated PLSVC in a 48-year-old male, discussing its origins and clinical significance.

Keywords:

anatomy and physiology central line insertion general and vascular surgery persistent left-sided superior vena cava (plsvc)ultrasound-guided

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Last Updated: Jun 12, 2025

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Published on: November 18, 2018

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Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava

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Published on: January 13, 2023

Area of Science:

Cardiovascular Anatomy
Embryology
Radiology

Background:

Persistent left-sided superior vena cava (PLSVC) is the most common thoracic venous anomaly, though rare overall.
It arises from abnormal embryological development where the left anterior cardinal vein fails to regress.
Often associated with congenital heart disease, PLSVC can present with isolated or duplicated SVCs.

Observation:

A case report of a 48-year-old male incidentally found to have an isolated PLSVC.
The anomaly was identified on a chest X-ray following the placement of a temporary dialysis catheter.
This highlights the potential for incidental detection in routine imaging.

Findings:

Detailed description of the embryological origin of PLSVC, including anatomical variants.
Discussion of the incidence and prevalence of this rare venous anomaly.
Analysis of the clinical significance and potential implications of PLSVC.

Implications:

PLSVC, while rare, has clinical significance and can be incidentally discovered.
Understanding its embryological basis and anatomical variations is crucial for diagnosis.
Awareness aids in appropriate patient management and interpretation of thoracic imaging.