Cases reported "Aneurysm, False"

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1/102. Pseudoaneurysm of the abdominal aorta diagnosed by color duplex Doppler sonography.

    A pseudoaneurysm of the abdominal aorta is rare, accounting for only 1% of all abdominal aneurysms. More than 1 imaging method may be needed to demonstrate an abdominal aortic pseudoaneurysm. We report a case in which the presence of continuous bidirectional flow in the neck of a pseudoaneurysm on color duplex Doppler sonography confirmed the diagnosis.
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ranking = 1
keywords = neck
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2/102. Post-traumatic dissecting aneurysm of extracranial internal carotid artery: endovascular treatment with stenting.

    Traumatic internal carotid dissection occurs frequently in motor vehicle accidents, typically extracranially, close to the skull base. dissection may lead to stenosis or occlusion of the vessel, possibly with a pseudoaneurysm, symptoms ranging from neck pain to neurological deficits. In symptomatic patients and in cases of pseudoaneurysm, when conservative medical treatment fails, surgery or endovascular treatment are indicated. We report a post-traumatic dissecting aneurysm of the extracranial internal carotid artery successfully treated with stenting via a transfemoral approach.
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keywords = neck
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3/102. Pseudoaneurysm of the internal carotid artery after shrapnel injury in World war II: demonstration by CT angiography with 3D MIP reconstruction.

    A case of pseudoaneurysm of the left internal carotid artery (ICA) after shrapnel injury is demonstrated by intra-arterial digital subtraction angiography (DSA) and computed tomography angiography (CTA) with subtraction technique. Although the pseudoaneurysm was well demonstrated by intra-arterial DSA, CTA was the only modality to demonstrate the three-dimensional shape of the perfused part of pseudoaneurysm and the aneurysmal neck, which affected the therapeutic strategy. The CTA technique is useful in the assessment of large pseudoaneurysms and for therapeutic planning.
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keywords = neck
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4/102. Pseudoaneurysm of the left ventricle progressing from a subepicardial aneurysm.

    A 56-year-old man presented with an inferior myocardial infarction and a huge pseudoaneurysm below the inferior surface of the left ventricle, which had progressed from a small subepicardial aneurysm over a 6-month period. Transthoracic echocardiography, doppler color flow images, radionuclide angiocardiography, magnetic resonance imaging and contrast ventriculography all revealed an abrupt disruption of the myocardium at the neck of the pseudoaneurysm, where the diameter of the orifice was smaller than the aneurysm itself, and abnormal blood flows from the left ventricle to the cavity through the orifice with an expansion of the cavity in systole and from the cavity to the left ventricle with the deflation of the cavity in diastole. coronary angiography revealed 99% stenosis at the atrioventricular nodal branch of the right coronary artery. At surgery the pericardium was adherent to the aneurysmal wall and a 1.5-cm orifice between the aneurysm and the left ventricle was seen. Pathological examination revealed no myocardial elements in the aneurysmal wall. The orifice was closed and the postoperative course was uneventful. Over-intense physical activity as a construction worker was considered to be the cause of the large pseudoaneurysm developing from the subepicardial aneurysm. These findings indicate that a subepicardial aneurysm may progress to a larger pseudoaneurysm, which has a propensity to rupture, however, it can be surgically repaired.
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ranking = 1
keywords = neck
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5/102. Endovascular occlusion of a carotid pseudoaneurysm complicating deep neck space infection in a child. Case report.

    Pseudoaneurysm formation of the cervical internal carotid artery (ICA) is a rare, potentially lethal complication of deep neck space infection. This entity typically occurs following otolaryngological or upper respiratory tract infection. The pseudoaneurysm is heralded by a pulsatile neck mass, Homer's syndrome, lower cranial neuropathies, and/or hemorrhage that may be massive. The recommended treatment includes prompt arterial ligation. The authors present a case of pseudoaneurysm of the cervical ICA complicating a deep neck space infection. A parapharyngeal staphylococcus aureus abscess developed in a previously healthy 6-year-old girl after she experienced pharyngitis. The abscess was drained via an intraoral approach. On postoperative Day 3, the patient developed a pulsatile neck mass, lethargy, ipsilateral Horner's syndrome, and hemoptysis, which resulted in hemorrhagic shock. Treatment included emergency endovascular occlusion of the cervical ICA and postembolization antibiotic treatment for 6 weeks. The patient has made an uneventful recovery as of her 18-month follow-up evaluation. Conclusions drawn.from this experience and a review of the literature include the following: 1) mycotic pseudoaneurysms of the carotid arteries have a typical clinical presentation that should enable timely recognition; 2) these lesions occur more commonly in children than in adults; 3) angiography with a view to performing endovascular occlusion should be undertaken promptly; and 4) endovascular occlusion of the pseudoaneurysm is a viable treatment option.
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ranking = 8
keywords = neck
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6/102. Posterior-septal pseudo-pseudoaneurysm with limited left-to-right shunt: an unexpected easy repair.

    Cardiac rupture represents a fatal complication of acute myocardial infarction within the first two weeks. In exceptional cases, the postinfarction rupture of the myocardium is not transmural but remains circumscribed within the wall itself as a cavity joined to the left ventricle through a narrow neck. This finding is usually defined as pseudo-pseudoaneurysm. We report a rare case of postinfarction posterior pseudo-pseudoaneurysm of the left ventricle, perforated into the right ventricle. This unusual anatomy resulted, over a period of several years, by progressive intramural dissection of the surrounding necrotic myocardium with late formation of a large, partially fibrotic chamber, communicating either with left and right ventricles. Despite correct preoperative diagnosis was not achieved by 2D echocardiography, pulsed Doppler and contrast ventriculography, a successful surgical treatment was possible with a really good outcome.
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keywords = neck
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7/102. Coil embolization of a false aneurysm with aorto-cutaneous fistula after prosthetic graft replacement of the ascending aorta.

    AIM: To report palliative embolization of a false aneurysm over the distal suture line of an ascending aorta graft replacement. MATERIAL AND METHOD: A 78-year-old male patient was admitted for increasing bleeding of a chronic manubrium ulceration, 20 months after coronary artery bypass complicated by perioperative ascending aorta dissection requiring prosthetic graft replacement. One month later, he underwent epiploplasty for a mediastinitis followed by long-term antibiotic therapy. Five months later, he presented with a manubrium ulceration of the sternotomy. Spiral computerized tomography (CT) and aortography revealed a 20 mm anterior peri-prosthetic false aneurysm with a wide neck. Advanced age, active mediastinitis and patient's objection led us to perform percutaneous occlusion according to the Moret remodeling technique while protecting the coils release with balloon catheter inflation. RESULTS: No post-operative complication was observed and at 1-year follow-up the patient was doing well with no recurrent bleeding. magnetic resonance imaging (MRI) and spiral CT controls confirmed coils stability without any internal flow. CONCLUSION: Percutaneous coils embolization of a large false aneurysm in the ascending aorta can be a palliative treatment in a surgically unsuited patient.
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keywords = neck
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8/102. Stent-graft treatment of a common carotid artery pseudoaneurysm.

    PURPOSE: To report a case demonstrating successful endovascular treatment of a right common carotid artery pseudoaneurysm using a commercially prepared balloon-expandable covered stent. methods AND RESULTS: A 50-year-old man was evaluated for syncopal episodes. He had a history of severe trauma sustained in a motor vehicle accident 3 years before symptom onset. Doppler ultrasound scanning detected a pseudoaneurysm at the origin of the right common carotid artery. The defect measured 25 mm x 20 mm with a 22-mm-long neck on angiography and computed tomography; there was no evidence of carotid stenosis or associated vascular pathology. Via a percutaneous femoral access, 2 Jostent peripheral stent-grafts were placed at the level of the aneurysm, safely achieving complete repair of the arterial wall defect. The patient was asymptomatic at his 12-month evaluation. color flow duplex scans showed continued exclusion of the pseudoaneurysm. CONCLUSIONS: Wide-necked aneurysms in the extracranial carotid arteries may be treated with stent-grafts, which can achieve complete and permanent reconstruction of the arterial wall by excluding the aneurysm.
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ranking = 2
keywords = neck
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9/102. Endovascular treatment of a pseudoaneurysm of a recipient external carotid artery following radiation and free tissue transfer.

    Radical resection and reconstruction after preoperative radiation has become routine treatment for patients with certain types and stages of head and neck cancers. When microvascular flap reconstruction is required, the recipient vessels have been subjected to radiation, making them more thrombogenic and friable, thus increasing the risks of postoperative complications. The authors report a patient who received preoperative radiation therapy for rhabdomyosarcoma of the infratemporal fossa and who underwent a radical resection and free rectus musculocutaneous flap reconstruction. The free flap covered the base of the brain from the nasopharynx and closed an intraoral defect. The donor artery was anastomosed end to side to the external carotid artery stump. The patient developed a pseudoaneurysm of the external carotid artery stump 1 month postoperatively, which was treated with endovascular coil embolization without loss of the flap. Percutaneous transcatheter endovascular treatment of pseudoaneurysms that develop after free tissue transfer in head and neck reconstruction has not been reported previously. One month after surgery, endovascular occlusion of the main arterial supply to the flap did not compromise its viability because of collateral revascularization from the peripheral tissue bed, despite the patient's history of radiation.
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ranking = 2
keywords = neck
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10/102. Stent-supported coil embolization: the treatment of fusiform and wide-neck aneurysms and pseudoaneurysms.

    OBJECTIVE: We describe a consecutive series of patients treated with endovascular stent-supported coil embolization for symptomatic or enlarging wide-neck and fusiform aneurysms and pseudoaneurysms of the carotid and vertebrobasilar arteries. methods: Seven stent-supported coil embolization procedures were performed for seven aneurysms in seven consecutive patients. There were five pseudoaneurysms, one dissecting aneurysm, and one berry aneurysm. Four aneurysms were located in the carotid artery, and three were located in the vertebrobasilar system. Three aneurysms were intracranial. Four patients were symptomatic, and three had angiographic evidence of increasing aneurysm size. RESULTS: Technical success was achieved in six (86%) of seven patients. Entanglement of a coil with the stent struts necessitated partial coil delivery into the parent artery in one patient, but there were no neurological or other adverse sequelae. The 30-day rate of periprocedural stroke or mortality was 0%. At a mean clinical follow-up of 14.5 months, neurological status was at baseline or better in all patients. To date, all treated patients remain clinically asymptomatic with oral administration of aspirin only. CONCLUSION: Stent-supported coil embolization represents an emerging therapeutic alternative to surgery for the treatment of symptomatic or enlarging wide-neck and fusiform aneurysms and pseudoaneurysms of the cervical and vertebrobasilar arteries, which are not amenable to conventional unsupported coil embolization. Experience with greater numbers of patients and long-term follow-up are required to further validate this technique.
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ranking = 6
keywords = neck
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