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A giant basilar artery perforator aneurysm.

ABSTRACT: Basilar artery perforator aneurysms (BAPA's) are a rare entity. Their natural history and treatment are unclear. We describe the largest BAPA reported thus far in literature in a 64-year-old Caucasian woman. This patient did not present with subarachnoid hemorrhage, but with left hemiparesis due to pontine ischemia. The aneurysm was initially misdiagnosed as a tumoral mass in a referring center. Angiography confirmed the presence of a BAPA and a flow diverter was successfully placed. This case shows us that a BAPA can mimic a tumoral mass and can cause ischemia due to mass effect without having ruptured. Both conservative and flow diverter placement seems viable treatment options. Individual patient characteristics and preferences should be considered in decision-making for treatment.

SUBMITTER: Mutlu U

PROVIDER: S-EPMC8762371 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Delayed extensive brain edema caused by the growth of a giant basilar apex aneurysm treated with basilar artery obliteration: a case report.

Project description:BACKGROUND:Partially thrombosed giant aneurysms at the basilar apex (BA) artery are challenging lesions with a poor prognosis if left untreated. Here we describe a rare case of extensive brain edema after growth of a surgically treated and thrombosed giant basilar apex aneurysm. CASE PRESENTATION:We performed a proximal surgical basilar artery occlusion on a 64-year-old female with a partially thrombosed giant BA aneurysm. MRI showed no ischemic lesions but showed marked edema adjacent to the aneurysm. She had a good recovery, but 3 months after surgical occlusion, her gait deteriorated together with urinary incontinence and worsening right hemiparesis. MRI showed that the aneurysm had grown and developed intramural hemorrhage, which caused extensive brain edema and obstructive hydrocephalus. She was treated by a ventriculoperitoneal shunt placement. Follow-up MRI showed progressive brain edema resolution, complete thrombosis of the lumen and shrinkage of the aneurysm. At 5?years follow-up the patient had an excellent functional outcome. CONCLUSIONS:Delayed growth of a surgically treated and thrombosed giant aneurysm from wall dissection demonstrates that discontinuity with the initial parent artery does not always prevent progressive enlargement. The development of transmural vascular connections between the intraluminal thrombus and adventitial neovascularization by the vasa vasorum on the apex of the BA seems to be a key event in delayed aneurysm growth. Extensive brain edema might translate an inflammatory edematous reaction to an abrupt enlargement of the aneurysm.

| S-EPMC7275367 | biostudies-literature

Giant coronary artery aneurysm at autopsy.

Project description:This case presents a woman in her early 20s who died after the sudden onset of chest pain. Five years earlier, she was investigated for a cardiac murmur during pregnancy and an echocardiogram revealed a 6.0×3.0?cm blood-filled sac compressing the left atrium and anterolateral aspect of the left ventricle with communication to the aortic root. She later had a CT scan of the chest with contrast, which showed aneurysmal dilatation of the left main coronary artery. She was placed on aspirin but defaulted from clinic 11 months post partum. At autopsy, a left coronary aneurysmal sac measuring 10.0×9.0?cm. was identified with a rupture measuring 7.0?cm in length and the pericardial sac contained 900?mL of blood with clots. The cause of death was cardiac tamponade secondary to rupture of the coronary artery aneurysm.

| S-EPMC5878404 | biostudies-literature

Giant anterior communicating artery aneurysm with intrasellar extension.

Project description:IntroductionAneurysms extending into the sella are uncommon with only a few cases reported till date. Most of these arise from either the supraclinoidal or infraclinoidal segments of the internal carotid artery.Research questionCan Anterior communication artery aneurysm present with hypopituitarism due to compression of pituitary gland?Materials & methodsCase report and literature review.ResultsWe discuss this rare presentation in a middle-aged patient its surgical management and the follow-up course with a review of available literature.Discussion & conclusionAnterior communicating artery aneurysms extending into the sella are extremely uncommon with only 4 cases reported in literature. They are usually giant aneurysms which are partially thrombosed with presenting with predominantly with mass effect in this case visual impairment and hypofunction of the pituitary.

| S-EPMC10668054 | biostudies-literature

Giant Right Coronary Artery Aneurysm Detected by Transthoracic Echocardiography.

Project description:Coronary artery aneurysms (CAAs) are rare findings caused by atherosclerosis in about 50% of cases. They are usually diagnosed using coronary angiography, cardiac computed tomography, or magnetic resonance imaging. In this report, we present a rare case of giant, isolated right CAA, detected by transthoracic echocardiography in an adult patient with unstable angina. Diameters of the aneurysm were 3.6 cm × 2.7 cm. Anterior-septal hypokinesia of the left ventricle was also noted. A comprehensive echocardiographic examination, including contrast study, excluded alternative diagnoses and supported the hypothesis of a coronary ectasia. The coronary angiography confirmed the diagnosis of giant coronary aneurysm and revealed a severe three-vessel disease. The patient was treated with cardiac surgery a few days later: two coronary artery bypass grafts and exclusion of the aneurysm by surgical legation were successfully performed.

| S-EPMC6450233 | biostudies-literature

Successful endovascular treatment of a recurrent giant celiac artery aneurysm.

Project description:Visceral artery aneurysms are very rare and aneurysms of the celiac trunk are the rarest ones: they are in most cases asymptomatic and their detection is frequently incidental. In this article we report the case of a man affected by severe abdominal pain with a huge aneurysm of the celiac trunk, first successfully treated with coil embolization, but, after 10 months, another endovascular embolization was required for deployment of the metallic coils previously released, ahead into the fund of the sac with recanalization of the aneurysm. A second endovascular treatment was performed with other coils and Amplatzer-Plug. The high risk of rupture makes treatment of such aneurysms mandatory and surgery is still considered the gold standard therapy of VAA, but, due to its high morbidity and mortality risks, in the last years, it has been widely replaced by endovascular embolization. An effective endovascular embolization requires not only the complete filling of the aneurysmal sac, but also the complete vascular exclusion of its in-flow and out-flow tracts, to reduce the risk of its anterograde or retrograde reperfusion.

| S-EPMC6447743 | biostudies-literature

Giant right coronary artery aneurysm associated with coronary-cameral fistula.

Project description: Not available

| S-EPMC3368480 | biostudies-literature

South African flag sign to a giant coronary artery aneurysm

Project description: Not available

| S-EPMC10903159 | biostudies-literature

Case Report: Isolate Congenital Coronary Artery Fistula With Giant Artery Aneurysm in a Neonate.

Project description:A rare case of neonatal congenital coronary artery, right ventricle fistula with giant coronary artery aneurysm formation, was reported. Computed tomography angiography demonstrated the dilated and tortuous tunnel arising from the right aortic sinus and traversing the epicardial surface before opening into the anterolateral aspect of the RV. Successful surgical repair was performed with a patch closure of the fistula and coronary angioplasty. The postoperative recovery was uneventful. Our experience of this rare congenital heart disease demonstrated that early surgical repair of coronary artery fistula and coronary angioplasty in the neonate can be performed safely. Further study is needed to seek the basis on this.

| S-EPMC8241900 | biostudies-literature

Giant pulmonary artery aneurysm in a patient with rheumatic mitral stenosis.

Project description:Pulmonary artery (PA) aneurysm is a rare condition, frequently associated with pulmonary hypertension. However, the evolution and treatment of this pathology is still not clear. We report a case of a 45-year-old female patient with giant PA aneurysm associated with rheumatic mitral stenosis and severe pulmonary arterial hypertension. The patient had undergone balloon mitral valvotomy around 7 years back; aneurysm was first identified 3 years back during routine follow-up. The PA aneurysm size, however, had remained almost unchanged with associated severe pulmonary regurgitation. Surgical correction was advised but denied by the patient. To our knowledge, this is the first case report of such a large PA aneurysm in association with rheumatic heart disease. Although medical therapy for pulmonary hypertension was started, surgical correction of the aneurysm was advised in order to prevent the future complications.

| S-EPMC4268619 | biostudies-literature

Microsurgical Treatment Strategy of Vertebral Artery Fusiform Aneurysm-From the Standpoint of Hemodynamic Integrity and Perforator Preservation.

Project description:During treatment of vertebral artery (VA) fusiform aneurysms, it is critical to preserve peripheral perforators and anterograde blood flow of the VA and to reduce hemodynamic load to the contralateral VA. Even in the era of endovascular treatment, there are still many benefits to using microsurgical treatments with appropriate clip application and preservation of the perforators around the aneurysm, in conjunction with various bypass techniques. The ideal microsurgical technique involves reconstructive clipping that obliterates the aneurysm but preserves anterograde blood flow of the VA, followed by isolation of the aneurysm and VA reconstruction. If these two methods are unavailable, proximal clipping of the aneurysm combined with flow-augmentation bypass to the distal branch can be considered as an alternative surgical management. We discuss the microsurgical treatment of unruptured VA fusiform aneurysms in our surgical cases on the basis of a review of the current literature.

| S-EPMC8488355 | biostudies-literature

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