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Related Concept Videos

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...
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...
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...
Anastomoses01:19

Anastomoses

In human anatomy, anastomosis refers to a connection or opening between two things, particularly between blood vessels or other tubular structures. The term is derived from the Greek term 'anastomosis,' which means 'outlet' or 'opening.' This natural network of connections plays a critical role in the survival and functionality of the human body.
Anastomoses can be formed at arterial, venous, and lymphatic vessels.
Arterial Anastomosis: These occur between arteries. They are most common in...
Acute Kidney Injury II: Pathophysiology01:29

Acute Kidney Injury II: Pathophysiology

Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
Peripheral Artery Disease I: Introduction01:30

Peripheral Artery Disease I: Introduction

Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...

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Related Experiment Video

Updated: Jun 5, 2026

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit
06:11

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit

Published on: May 14, 2020

Renal aneurysms and pseudoaneurysms.

Marco Cura1, Fadi Elmerhi, Alejandro Bugnogne

  • 1Radiology, Doctor's Hospital, 5501 S Mccoll Rd, Edinburg, TX 78539, USA. marcocura@yahoo.com

Clinical Imaging
|January 18, 2011
PubMed
Summary
This summary is machine-generated.

Renal artery aneurysms and pseudoaneurysms are abnormal vessel dilatations. Imaging and endovascular treatments like coil embolization are key for diagnosis and management, improving patient outcomes.

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Last Updated: Jun 5, 2026

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Area of Science:

  • Vascular Surgery
  • Diagnostic Imaging
  • Interventional Radiology

Background:

  • Renal artery aneurysms (RAA) and pseudoaneurysms are abnormal dilatations of renal artery walls.
  • RAA are uncommon, but increased incidental detection via cross-sectional imaging is noted.
  • Renal artery pseudoaneurysms are suspected in trauma-related bleeding.

Purpose of the Study:

  • To describe imaging features of renal artery aneurysms and pseudoaneurysms.
  • To review endovascular therapies for managing these conditions.
  • To discuss potential complications and treatment guidance.

Main Methods:

  • Utilized cross-sectional imaging (CT, MRI) and digital subtraction angiography for diagnosis.
  • Characterized lesion size, shape, and location.
  • Reviewed endovascular treatment modalities including coil embolization and covered stent placement.

Main Results:

  • Imaging is crucial for detecting renal aneurysms/pseudoaneurysms, rupture, and active bleeding.
  • Endovascular techniques effectively manage these conditions, reducing surgical risks.
  • Detailed vascular anatomy understanding guides treatment selection.

Conclusions:

  • Endovascular treatments offer significant advantages over surgery for renal artery aneurysms and pseudoaneurysms.
  • Accurate diagnosis via imaging is essential for appropriate management.
  • Coil embolization and stent-graft placement are effective endovascular options.