[Bilateral Peripheral Pulmonary Artery Aneurysms:Report of a Case]
Yasuhiro Takayama1, Isao Matsumoto, Seiichi Kakegawa
1Department of Thoracic Surgery, Kanazawa University, Kanazawa, Japan.
Kyobu Geka. the Japanese Journal of Thoracic Surgery
|July 1, 2025
Summary
Pulmonary artery aneurysms are rare vascular conditions. This case study details successful coil embolization for bilateral peripheral pulmonary artery aneurysms in a 72-year-old male patient.
Area of Science:
- Cardiology
- Radiology
- Vascular Surgery
Background:
- Pulmonary artery aneurysms are exceedingly rare and pose a significant risk of rupture.
- Early detection and intervention are crucial for managing these potentially fatal conditions.
Purpose of the Study:
- To report a case of successful coil embolization for bilateral peripheral pulmonary artery aneurysms.
- To highlight the diagnostic process and treatment of a rare vascular anomaly.
Main Methods:
- A 72-year-old male patient presented with gradually enlarging pulmonary nodules.
- Contrast-enhanced computed tomography (CT) revealed pulmonary artery aneurysms with arteriovenous shunting.
- Coil embolization was performed to treat the bilateral aneurysms.
Main Results:
- The procedure successfully treated the pulmonary artery aneurysms.
- Post-embolization follow-up at 18 months showed no aneurysm enlargement or new lesions.
- The patient's condition remained stable after the intervention.
Conclusions:
- Coil embolization is an effective treatment for peripheral pulmonary artery aneurysms.
- This case underscores the importance of vigilant follow-up for incidentally discovered pulmonary nodules.
- Prompt diagnosis and intervention can prevent catastrophic rupture of pulmonary artery aneurysms.
Related Concept Videos
01:22Aortic Regurgitation II: Clinical Features and Diagnostic Tests
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
01:30Peripheral 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...
01:21Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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...
01:29Pulmonary Embolism I: Introduction
Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...