Related Experiment Video
Updated: Dec 11, 2025
06:11
Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit
Published on: May 14, 2020
2.7K
Pseudoaneurysm after total arch replacement mimicking malignant lymphadenopathy
Yosuke Chiba1, Kei Yamasaki1, Hiroaki Ikegami1
1Department of Respiratory Medicine University of Occupational and Environmental Health, Japan Kitakyushu Japan.
Respirology Case Reports
|August 25, 2020
Summary
Consider pseudoaneurysm in patients with a history of cardiovascular surgery if CT scans reveal a mediastinal mass. This rare complication can occur even decades after the initial procedure.
Area of Science:
- Cardiovascular Surgery
- Diagnostic Imaging
- Radiology
Background:
- Mediastinal masses can present diagnostic challenges.
- Pseudoaneurysms are rare but serious complications following cardiovascular surgery.
- Delayed presentation of post-surgical complications is possible.
Purpose of the Study:
- To highlight the importance of considering pseudoaneurysm in the differential diagnosis of mediastinal masses.
- To emphasize the potential for delayed presentation of pseudoaneurysms after cardiovascular surgery.
Main Methods:
- Review of computed tomography (CT) findings.
- Analysis of patient history, specifically cardiovascular surgery.
- Differential diagnosis of mediastinal masses.
Main Results:
- Computed tomography (CT) findings of a mediastinal mass in patients with a history of cardiovascular surgery should prompt consideration of pseudoaneurysm.
- Pseudoaneurysm can manifest as a mediastinal mass long after cardiovascular surgery, even over two decades later.
Conclusions:
- Pseudoaneurysm is a critical diagnosis to consider in patients with a history of cardiovascular surgery presenting with a mediastinal mass on CT.
- Radiologists and clinicians should maintain a high index of suspicion for delayed pseudoaneurysm formation in this patient population.
Related Concept Videos
01:30Aneurysm I: Introduction
178
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...
178
01:21Aneurysm II: Clinical Manifestations and Diagnostic Studies
114
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...
114
01:26Aneurysm III: Interprofessional Care
152
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...
152
01:22Aneurysm IV: Nursing Management
270
Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
270