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Related Concept Videos

Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
Aneurysm I: Introduction01:30

Aneurysm I: Introduction

An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
Varicose Veins I: Introduction01:26

Varicose Veins I: Introduction

Varicose veins, or varicosities, are abnormally dilated and twisted superficial veins caused by venous valve incompetence. This condition commonly affects the lower extremities, especially the saphenous veins, due to the higher pressure from prolonged standing and walking. However, varicosities can also occur in other areas, such as the esophagus, vulva, spermatic cords, and anorectal region.Etiology and typesPrimary varicose veins, often idiopathic, are more common in women due to inherent...
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...

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Related Experiment Video

Updated: May 27, 2026

New Thrombectomy Technique for Total Portal Vein Thrombosis in Liver Transplantation
08:45

New Thrombectomy Technique for Total Portal Vein Thrombosis in Liver Transplantation

Published on: June 27, 2025

Portal vein aneurysm: a rare occurrence.

Kathy C Turner1, W T Bohannon, Marvin D Atkins

  • 1Scott and White Medical Center, Temple, Texas, USA. kturner@swmail.sw.org

Journal of Vascular Nursing : Official Publication of the Society for Peripheral Vascular Nursing
|November 9, 2011
PubMed
Summary

Portal vein aneurysms (PVA) are rare vascular anomalies. Increased use of noninvasive imaging will lead to more frequent recognition and diagnosis of these rare conditions in vascular surgery.

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Last Updated: May 27, 2026

New Thrombectomy Technique for Total Portal Vein Thrombosis in Liver Transplantation
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Microsurgical Venous Pouch Arterial-Bifurcation Aneurysms in the Rabbit Model: Technical Aspects
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Microsurgical Venous Pouch Arterial-Bifurcation Aneurysms in the Rabbit Model: Technical Aspects

Published on: May 11, 2011

Area of Science:

  • Vascular Surgery
  • Radiology
  • Medical Diagnostics

Background:

  • Portal vein aneurysms (PVA) are uncommon vascular malformations of the portal system.
  • PVA constitute less than 3% of all diagnosed venous aneurysms.
  • Since their initial report in 1956, only 150 cases have been documented.

Observation:

  • PVA are classified into extrahepatic and intrahepatic types.
  • Etiologies for PVA include both congenital and acquired factors.
  • Treatment modalities for PVA involve both medical and surgical interventions.

Findings:

  • The incidence of PVA is low, with limited documented cases.
  • PVA present with diverse origins and locations within the portal system.
  • A combination of medical management and surgical options are available for PVA treatment.

Implications:

  • Advances in noninvasive radiological imaging are enhancing PVA detection.
  • Vascular surgeons are likely to encounter PVA more frequently in clinical practice.
  • Improved diagnostic capabilities may lead to earlier intervention and better patient outcomes for PVA.