Related Experiment Video
Updated: Aug 15, 2026
09:32
Manufacturing Abdominal Aorta Hydrogel Tissue-Mimicking Phantoms for Ultrasound Elastography Validation
Published on: September 19, 2018
[Inflammatory aneurysms of the abdominal aorta]
C Müller-Schwefe1, G von Klinggräff, G Riepe
1II. Medizinische Abteilung, allgemeines Krankenhaus Harburg, Hamburg.
Ultraschall in Der Medizin (Stuttgart, Germany : 1980)
|August 1, 1991
Summary
Inflammatory abdominal aortic aneurysms, characterized by periaortic fibrotization, present diagnostic challenges. Sonography aids in identifying their unique stratification, crucial for surgical planning.
Area of Science:
- Vascular Surgery
- Radiology
- Pathology
Background:
- Inflammatory abdominal aortic aneurysm (IAAA) is a distinct subtype of arteriosclerotic aneurysm, occurring in 5-15% of cases.
- Pathologically, IAAs exhibit periaortic fibrotization with lymphocytous and plasmacellular infiltrates in the adventitia.
- The etiology of IAAs remains unclear, complicating surgical approaches due to adhesions with adjacent structures.
Purpose of the Study:
- To highlight the diagnostic features of inflammatory abdominal aortic aneurysms.
- To emphasize the importance of preoperative diagnosis for surgical planning.
- To differentiate IAAs from other retroperitoneal pathologies.
Main Methods:
- Review of pathological and imaging findings in IAAs.
- Sonographic evaluation of aneurysm structure, including characteristic fourfold stratification.
- Differential diagnosis considerations for IAAs.
Main Results:
- Sonography can confirm suspected abdominal aortic aneurysms, revealing a specific fourfold stratification in partially thrombotic cases: free lumen, thrombus, calcified aortic wall, and a low-echo outer inflammatory layer.
- The inflammatory component appears as a tapelike, semicircular, and variably developed layer.
- IAAs are often symptomatic, necessitating differentiation from conditions like covered perforation, dissecting aortic aneurysm, Ormond's disease, lymphomas, and other retroperitoneal tumors.
Conclusions:
- Preoperative diagnosis of IAAs is crucial due to surgical complexities.
- Sonography is a valuable tool for identifying the characteristic features of IAAs.
- Accurate diagnosis aids in surgical planning and differentiation from other serious abdominal conditions.
Related Concept Videos
01:14The Aorta
The aorta is the largest artery in the human body. It originates from the left ventricle of the heart and extends down to the abdomen, where it splits into two smaller arteries. Structurally, it can be divided into four main parts: the ascending aorta, the aortic arch, the thoracic aorta, and the abdominal aorta.
The average diameter of the aorta is approximately 2-3 cm, but the size can vary depending on the section of the aorta and the individual's age, sex, and body size. The aorta is...
The average diameter of the aorta is approximately 2-3 cm, but the size can vary depending on the section of the aorta and the individual's age, sex, and body size. The aorta is...
01:25Abdominal Aorta
Once the aorta traverses the diaphragmatic plane at the aortic hiatus, it is known as the abdominal aorta. This anatomical structure is positioned leftward of the spinal column, encased within a cocoon of adipose tissue behind the peritoneal cavity. It terminates at the L4 vertebra, where it splits into the common iliac arteries. Prior to this bifurcation, the abdominal aorta gives rise to several vital branches.
The celiac trunk, a singular artery, divides into the left gastric artery, which...
The celiac trunk, a singular artery, divides into the left gastric artery, which...
01:30Aneurysm 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...
01:21Aneurysm 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...
01:26Aneurysm 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...
01:19Appendicitis
Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...