Spontaneous thrombosis of a malformation of the vein of Galen

Abrão, Guilherme P; Barbosa, Leandro A.; Sá-Junior, Antenor T; Caldas, José Guilherme Mendes Pereira

doi:10.1590/s0004-282x2010000400032

Cited by 7 publications

(3 citation statements)

References 6 publications

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“…Spontaneous disappearance of VOGM without thrombosis has also been reported due to obliteration of the feeding arteries. [ 2 8 ] None of the cases with spontaneous thrombosis had accompanying CCF, thus suggesting that low-flow VOGMs are more likely to develop thrombosis. [ 2 ]…”

Section: Discussionmentioning

confidence: 99%

Spontaneous thrombosis of a vein of galen malformation

2016

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Vein of Galen malformation (VOGM) is a rare congenital vascular anomaly, comprising about 1% of all intracranial vascular anomalies, predominantly affecting the children less than 1 year of age. A 6-month-old infant presented with complaints of increasing head size of 3 months duration and multiple episodes of vomiting associated with refusal to feed since 7 days. He was a known case of VOGM who had initially refused treatment. Investigations revealed a spontaneously thrombosed VOGM with obstructive hydrocephalous. Child improved uneventfully with ventriculoperitoneal shunt. Spontaneous thrombosis of a VOGM is a rare occurrence and carries a better prognosis. The relevant literature is discussed with emphasis on etiopathogenesis, mechanism, and management of spontaneous thrombosis of the malformation.

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Section: Discussionmentioning

confidence: 99%

Spontaneous thrombosis of a vein of galen malformation

2016

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“…There have been no reports of recanalization in the literature. 7,9,11,[13][14][15]18,19,21 There are competing strategies treatment of VGM and subsequent hydrocephalus. Embolization not only allows the removal of the high venous pressure to improve reabsorption of cerebrospinal fluid, but also over time decreases the size of the malformation allowing for improvement of hydrocephalus due to compression of cerebral aqueduct.…”

Section: Discussionmentioning

confidence: 99%

Spontaneous Occlusion of a Vein of Galen Malformation: A Case Report and Proposed Mechanism

Storey

Notarianni

Nanda

et al. 2016

J Pediatr Neuroradiol

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A vein of Galen malformation (VGM) is a rare condition of the pediatric population. Our patient was diagnosed with VGM on intrauterine ultrasound. At birth, she was noted to have multiple congenital heart defects but no signs of congestive heart failure, and intervention was delayed. Our patient presented at 4 months of age with worsening hydrocephalus due to the enlargement of the VGM. A ventricular peritoneal shunt was placed. At 26 months of age, our patient was taken for embolization of the VGM. Cerebral angiography showed no VGM. We present that changes in hemodynamics after shunt placement lead to the thrombosis of the VGM.

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“…In addition, thrombosed VGAMs can appear hyperdense when visualized on computed tomography (CT) and exhibit centralized methemoglobin with a hemosiderin periphery on magnetic resonance imaging (MRI). 19 If discovered after thrombosis, VGAMs may mimic pineal tumors, cavum vergae, pineal tumors, or porencephalic cysts on imaging. 20 , 21 There have been limited reports on the successful surgical intervention of thrombosed VGAMs.…”

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confidence: 99%

Spontaneous regression of a vein of Galen aneurysmal malformation in a pediatric patient: illustrative case

Kumar¹,

Fornoff

Dodd³

et al. 2021

Journal of Neurosurgery: Case Lessons

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BACKGROUNDVein of Galen aneurysmal malformations (VGAMs) are rare congenital intracranial vascular lesions that represent 30% of all pediatric vascular anomalies. These lesions are associated with severe manifestations, including congestive heart failure, hydrocephalus, and spontaneous hemorrhage. The mainstay of management is medical stabilization followed by endovascular embolization of the lesion. Although VGAM was first reported in 1937, there are few published cases demonstrating spontaneous regression of the lesion.OBSERVATIONSThe authors report the case of a 31-month-old female who presented with an incidentally found VGAM. After initial evaluation, including magnetic resonance imaging and angiography, the patient was lost to follow-up. Upon her return to the clinic at age 12 years, the previously identified VGAM was absent, indicative of involution of the lesion. The patient remained asymptomatic and met appropriate developmental milestones during this interval.LESSONSThis report adds a rare case of the spontaneous resolution of VGAM to the literature. This case may suggest the presence of VGAMs that are asymptomatic, undetected, and regress within the pediatric population. Future studies may benefit from identifying imaging and angiographic findings predictive of spontaneous regression. There may be a role for conservative management in particular cases of asymptomatic and medically stable children with VGAMs.

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Spontaneous thrombosis of a malformation of the vein of Galen

Abstract: Trombose esponTânea de uma maLformação arTeriovenosa da veia de gaLeno

Cited by 7 publications

References 6 publications

Spontaneous thrombosis of a vein of galen malformation

Spontaneous thrombosis of a vein of galen malformation

Spontaneous Occlusion of a Vein of Galen Malformation: A Case Report and Proposed Mechanism

Spontaneous regression of a vein of Galen aneurysmal malformation in a pediatric patient: illustrative case

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