Related Experiment Video

Updated: Jun 24, 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

[Surgical experience of idiopathic peripheral pulmonary arterial aneurysm; report of a case]

S Yoshida1, H Itou, A Katou

  • 1Department of Thoracic Surgery, Ibarakiseinan Medical Center Hospital, Ibaraki, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|March 14, 2009
PubMed

Insights

A rare case of idiopathic peripheral pulmonary arterial aneurysm was found incidentally in an asymptomatic patient. Surgical removal confirmed arterial wall thinning, with no inflammation, and the patient recovered well.

Area of Science:

  • Cardiology
  • Pulmonology
  • Vascular Surgery

Background:

  • Peripheral pulmonary arterial aneurysms are infrequently documented and often present with hemoptysis.
  • Idiopathic cases are exceptionally rare, posing diagnostic challenges.

Observation:

  • A 49-year-old male presented with an incidental 15 mm coin lesion in the right lower lung.
  • Enhanced CT revealed a lesion in the right S4, suspected to be a pulmonary arterial aneurysm.

Findings:

  • A right middle lobectomy was performed for a presumed peripheral pulmonary arterial aneurysm.
  • Histopathology showed significant arterial wall thinning without evidence of chronic inflammation.

Implications:

  • This case highlights the possibility of asymptomatic peripheral pulmonary arterial aneurysms detected incidentally.
  • Early diagnosis and surgical intervention can lead to favorable outcomes for this rare condition.

Related Concept Videos

Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
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 IV: Nursing Management01:22

Aneurysm IV: Nursing Management

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...
Peripheral Artery Disease III: Interprofessional Care01:27

Peripheral Artery Disease III: Interprofessional Care

Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
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...