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https://www.readbyqxmd.com/read/27734988/arterio-venous-malformation-of-the-mandible-case-report-and-review-of-literature
#1
R Spreafico, L Sordo, R Bellotto, M Schipano, A Rescaldani, F Parmigiani
Arteriovenous malformation (AVM) of the head and neck is a rare and potentially life threatening entity due to massive haemorrhage. There are several indications for treatment, including age of the patient and location, extent and type of vascular malformation. Endovascular therapy can effectively cure most lesions with limited tissue involvement. Surgery can be used in selected cases in combination with embolization. Here we report the case of a young woman affected by a massive AVM on the left side of the mandible and submandibular region, and also review the literature on AVM with special attention to treatment strategies...
August 2016: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/27625812/rasa1-analysis-guides-management-in-a-family-with-capillary-malformation-arteriovenous-malformation
#2
Leigh Anne Flore, Eyby Leon, Tom A Maher, Jeff M Milunsky
Capillary malformation-arteriovenous malformation (CM-AVM; MIM 60354) is an autosomal dominant disorder characterized by multifocal cutaneous capillary malformations, often in association with fast-flow vascular lesions, which may be cutaneous, subcutaneous, intramuscular, intraosseus, or cerebral arteriovenous malformations or arteriovenous fistulas. CM-AVM results from heterozygous mutations in the RASA1 gene. Capillary malformations of the skin are common, and clinical examination alone may not be able to definitively diagnose-or exclude- CM-AVM...
June 2012: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/27566490/endovascular-treatment-of-head-and-neck-arteriovenous-malformations-long-term-angiographic-and-quality-of-life-results
#3
Dan Meila, Dominik Grieb, Bjoern Greling, Katharina Melber, Collin Jacobs, Marlene Hechtner, Thomas Schmitz, Martin Schlunz-Hendann, Heinrich Lanfermann, Friedhelm Brassel
AIM: To present the long-term angiographic and subjective results of patients with head and neck arteriovenous malformations (HNAVMs) after endovascular treatment. METHODS: We retrospectively analyzed the medical files of 14 patients with HNAVM who were treated between 2000 and 2014. The treatment of choice was a transarterial superselective microcatheter-based approach followed by embolization using liquid embolic agents. The patients were asked to answer a quality of life questionnaire about the following symptoms before and after treatment: pain, functional impairment, cosmetic deformity, impairment in daily life, and bleeding...
August 26, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27527244/embolization-of-peripheral-high-flow-arteriovenous-malformations-with-onyx
#4
M Saeed Kilani, V Lepennec, P Petit, G Magalon, D Casanova, J-M Bartoli, V Vidal
PURPOSE: The aim of this study was to report our experience in embolization of high flow peripheral arteriovenous malformations (AVMs) with Onyx. Material and methods Retrospective study of Nineteen patients (10 men, 9 women) with peripheral high-flow AVMs who were treated with arteruial embolization using Onyx were retrospectively included. AVMs were located in the head and neck (6), extremities (5), chest (2), kidney (2), uterus (2), pelvis (1) and parietal (1). In 13 patients, embolization was done using Onyx only...
August 12, 2016: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/27154974/multicentre-comparison-of-patient-and-detector-dose-for-x-ray-guided-embolisations-of-arteriovenous-malformations-in-the-brain
#5
J Geleijns, M L Overvelde, D Zweers, J E M Mourik
Dosimetric benchmarking at four hospitals was performed to investigate incident entrance dose and dose rate on a phantom, and entrance detector dose and dose rate for protocols that are used in routine clinical practice for complex neuroradiological treatment of arteriovenous malformations (AVMs). Measurements were performed with a head phantom that simulates the attenuation and scattering of the human head for the lateral and posteroanterior (PA) views. For fluoroscopy, the measured incident entrance dose rate and entrance detector dose rate were in the range of 44-172 and 0...
June 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/26943682/arteriovenous-malformation-of-the-pancreas-a-case-report
#6
Tsuyoshi Abe, Nobuyasu Suzuki, Junichirou Haga, Ayaka Azami, Yukitoshi Todate, Mitsuru Waragai, Atai Sato, Yoshinao Takano, Kenji Kawakura, Shigeki Imai, Hideo Sakuma, Yasushi Teranishi
Arteriovenous malformation (AVM) of the pancreas is uncommon in the gastrointestinal tract. We present a case of AVM of the pancreatic head in a 59-year-old male. He was admitted to a hospital with hematemesis and tarry stool and referred to our hospital in March 2014 on the diagnosis of pancreatic artery pseudoaneurysm. A computed tomography scan showed the presence of irregular dilated and/or stenotic vessels with meandering in the pancreatic head. Magnetic resonance imaging showed strong enhancement of the conglomeration in the pancreatic head...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/26825744/combined-intralesional-neodymium-doped-yttrium-aluminium-garnet-laser-and-intratumoral-ligation-as-curative-treatment-for-craniofacial-arteriovenous-malformations
#7
Nond Rojvachiranonda, Sukalaya Lerdlum, Charan Mahatumarat
Craniofacial arteriovenous malformation (AVM), although very rare, has been a very difficult problem to treat especially when it is large and involves important structures. Surgical resection often results in unacceptable complications but still not curative. At our institution, treatment by combined intralesional neodymium-doped yttrium aluminium garnet laser and intratumoral ligation has been successful in venous malformation. This minimally invasive technique was then applied to more challenging AVM on the head and neck...
March 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/26807370/vascular-anomalies-of-the-head-and-neck-in-children
#8
REVIEW
Kate Mahady, Stefanie Thust, Rupert Berkeley, Sam Stuart, Alex Barnacle, Fergus Robertson, Kshitij Mankad
Sixty percent of vascular anomalies in children are found in the head and neck. These lesions can present throughout antenatal, perinatal and childhood development. They broadly fall into two categories: vascular tumours and vascular malformations. Their clinical and, often, psychological impact is determined by both pathological type and location: many lesions follow an uncomplicated natural course and other more complex, extensive or progressive lesions can present a threat to life from mass effect, haemorrhage or large volume arteriovenous shunting...
December 2015: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/26643547/medical-vs-invasive-therapy-in-avm-related-epilepsy-systematic-review-and-meta-analysis
#9
REVIEW
Colin B Josephson, Khara Sauro, Samuel Wiebe, Fiona Clement, Nathalie Jette
OBJECTIVE: To compare invasive arteriovenous malformation (AVM) therapy to conservative management using only antiepileptic drugs (AEDs) for achieving seizure freedom in patients with AVM-related epilepsy. METHODS: We searched Medline, Embase, and Cochrane Central up to June 2015 using epilepsy and AVM Medical Subject Headings and keywords. We included original research involving controlled observational cohort studies or randomized controlled trials (RCTs) comparing seizure outcomes between invasive AVM treatments vs...
January 5, 2016: Neurology
https://www.readbyqxmd.com/read/26622041/multicentre-comparison-of-image-quality-for-low-contrast-objects-and-microcatheter-tips-in-x-ray-guided-treatment-of-arteriovenous-malformation-in-the-brain
#10
I Hernández-Girón, J E M Mourik, M L Overvelde, W J H Veldkamp, D Zweers, J Geleijns
The treatment of brain arteriovenous malformations (AVMs) can be performed as a minimally invasive X-ray-guided procedure using a microcatheter for navigation to reach the target site. The performance of the interventional vascular surgery devices used for AVM was compared in four hospitals. The relation between image quality and the entrance surface air kerma (ESAK) was assessed for the default protocols for digital subtraction angiography (DSA) and fluoroscopy. A custom phantom, built with PMMA and aluminium plates was used to mimic the attenuation properties of the patient head...
June 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/26474946/time-resolved-contrast-enhanced-mra-twist-with-gadofosveset-trisodium-in-the-classification-of-soft-tissue-vascular-anomalies-in-the-head-and-neck-in-children-following-updated-2014-issva-classification-first-report-on-systematic-evaluation-of-mri-and-twist
#11
L J Higgins, J Koshy, S E Mitchell, C R Weiss, K A Carson, T A G M Huisman, A Tekes
AIM: To evaluate the relative accuracy of contrast-enhanced time-resolved angiography with interleaved stochastic trajectories versus conventional contrast-enhanced magnetic resonance imaging (MRI) following International Society for the Study of Vascular Anomalies updated 2014-based classification of soft-tissue vascular anomalies in the head and neck in children. MATERIALS AND METHODS: Time-resolved angiography with interleaved stochastic trajectories versus conventional contrast-enhanced MRI of children with diagnosis of soft-tissue vascular anomalies in the head and neck referred for MRI between 2008 and 2014 were retrospectively reviewed...
January 2016: Clinical Radiology
https://www.readbyqxmd.com/read/26246101/cerebral-vascular-malformations-time-resolved-ct-angiography-compared-to-dsa
#12
COMPARATIVE STUDY
Jai Jai Shiva Shankar, Cheemun Lum, Santanu Chakraborty, Marlise Dos Santos
PURPOSE: The purpose of this article is to prospectively test the hypothesis that time-resolved CT angiography (TRCTA) on a Toshiba 320-slice CT scanner enables the same characterization of cerebral vascular malformation (CVM) including arteriovenous malformation (AVM), dural arteriovenous fistula (DAVF), pial arteriovenous fistula (PAVF) and developmental venous anomaly (DVA) compared to digital subtraction angiography (DSA). MATERIALS AND METHODS: Eighteen (eight males, 10 females) consecutive patients (11 AVM, four DAVF, one PAVF, and two DVA) underwent 19 TRCTA (Aquillion one, Toshiba) for suspected CVM diagnosed on routine CT or MRI...
June 2015: Neuroradiology Journal
https://www.readbyqxmd.com/read/26135001/region-specific-changes-in-brain-diffusivity-in-fetal-isolated-mild-ventriculomegaly
#13
COMPARATIVE STUDY
Gal Yaniv, Eldad Katorza, Ronen Bercovitz, Dafi Bergman, Gahl Greenberg, Anat Biegon, Chen Hoffmann
OBJECTIVES: To evaluate the impact of symmetric and asymmetric isolated mild ventriculomegaly (IMVM, atrial width 10-15 mm) on apparent diffusion coefficient (ADC) values in fetal brain areas. METHODS: Sixty-seven sequential fetal head magnetic resonance imaging scans (feMRI) of VM cases performed between 2009 and 2014 were compared to 38 normal feMRI scans matched for gestational age (controls). Ultrasound- and MRI-proven IMVM cases were divided into asymmetrical (AVM, ≥2 mm difference in atrial width), symmetrical (SVM, <2 mm difference in atrial width), and asymmetrical IMVM with one normal-sized ventricle (AV1norm)...
March 2016: European Radiology
https://www.readbyqxmd.com/read/26126431/acute-rupture-of-a-feeding-artery-aneurysm-after-embolization-of-a-brain-arteriovenous-malformation
#14
Matthew R Reynolds, Eric J Arias, Arindam R Chatterjee, Michael R Chicoine, Dewitte T Cross
BACKGROUND: Staged endovascular embolization of large arteriovenous malformations (AVMs) is frequently performed to gradually reduce flow and prevent abrupt hemodynamic changes. While feeding artery aneurysms have been associated with increased risk of hemorrhage in the setting of AVMs, decisions regarding if and when to treat these aneurysms vary. Acute, fatal rupture of a feeding artery aneurysm following embolization of a large, unruptured AVM has been infrequently reported in the literature...
October 2015: Interventional Neuroradiology
https://www.readbyqxmd.com/read/26049824/adjuvant-role-of-anti-angiogenic-drugs-in-the-management-of-head-and-neck-arteriovenous-malformations
#15
Giacomo Colletti, Pietro Dalmonte, Laura Moneghini, Daris Ferrari, Fabiana Allevi
Arteriovenous malformations (AVMs) are high-flow vascular malformations characterised by a complex vessel network directly connecting feeding arteries and draining veins, typically featured by a natural history of progression, while spontaneous regressions are purely anecdotal. AVMs are very aggressive entities that possess a locally infiltrative behaviour like neoplasms. Complete "radical" surgical excision presents the highest chance of cure, but nowadays there is still considerable controversy on how to treat large AVMs that are not amenable of "radical" excision...
September 2015: Medical Hypotheses
https://www.readbyqxmd.com/read/25974817/successful-treatment-of-posttraumatic-arteriovenous-malformation-of-the-lower-lip
#16
Hyun Ho Han, Jung Sik Choi, Bommie F Seo, Suk-Ho Moon, Deuk Young Oh, Hae Giu Lee, Jong Won Rhie
Arteriovenous malformations (AVMs) are most commonly reported in the brain. Head and neck AVMs are reported to occur in 0.1% of the general population. On the other hand, posttraumatic AVMs are quite rare. Traumatic AVMs are extremely rare in the head and neck and are mostly seen in the extremities. The management of such lesions may include selective embolization or surgical exploration with ligation. A 13-year-old male adolescent visited our hospital for lower lip swelling, which developed 5 years ago after a lower lip laceration...
May 2015: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/25893127/gingival-bleeding-of-a-high-flow-mandibular-arteriovenous-malformation-in-a-child-with-8-year-follow-up
#17
Elvira Ferrés-Amat, Jordi Prats-Armengol, Isabel Maura-Solivellas, Eduard Ferrés-Amat, Javier Mareque-Bueno, Eduard Ferrés-Padró
Intraosseous arteriovenous malformations (AVMs) in the head and neck region are uncommon. There are several types and they can have a wide range of clinical presentations. Depending on the blood flow through the AVM, the treatment may be challenging for the attending team and may lead to life-threatening hemorrhages. A clinical case report is presented. A 9-year-old girl, seen for gingival bleeding during oral hygiene, was found to have a high-flow AVM located within and around the mandible. Two-stage treatment consisted of intra-arterial embolization followed by intraoral injection of a sclerosing agent 8 weeks later...
2015: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/25892320/absolute-ethanol-embolization-of-infiltrating-diffuse-extracranial-arteriovenous-malformations-in-the-head-and-neck
#18
L Su, D Wang, Y Han, Z Wang, L Zheng, X Fan
OBJECTIVE: Extracranial arteriovenous malformations (AVMs) of an infiltrative type in the head and neck can cause cosmetic, functional, and psychological problems. This study reports a single center experience and evaluates the clinical safety and effectiveness of the sole use of absolute ethanol embolotherapy for infiltrative extracranial AVMs in the head and neck. METHOD: From June 2011 to June 2013, 168 consecutive patients with extracranial AVMs in the head and neck underwent staged ethanol or other methods of embolization, of whom 66 patients had infiltrating-diffuse extracranial AVMs of type III in the head and neck...
July 2015: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/25757181/-combined-treatment-of-arteriovenous-malformations-of-the-head-and-neck
#19
S P Galich, A Iu Dabizha, O A Gindich, Ia P Ogorodnik, I V Al'tman, I V Gomoliako, A A Guch
An arteriovenous malformation (AVM) is a vascular developmental abnormality conditioned by impaired embryonic morphogenesis and characterized by the development of an abnormal connection between arteries and veins. More than 50% of the total number of patients suffering from this pathology are those having the pathological foci localizing in the area of the head and neck. At present, a combined method is both a generally accepted and the most radical one used for treatment for AVM. However, in the majority of cases, excision of the malformation leaves an extensive and complicated defect of tissues, whose direct closure leads to coarse cicatricious deformities...
2015: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/25660592/ultrasonography-as-a-complementary-exam-in-the-diagnosis-of-oral-arteriovenous-malformation
#20
M P Battisti, J E Tinoco De Araújo, T Feitosa Leitão De Oliveira, M Bonifácio Da Silva Sampieri, J H Damante, P S Da Silva Santos
The Doppler ultrasonography (DU) in cases of arteriovenous malformations (AVMs) is not widely use by dentists and there are a lack of information on the topic in the literature. AVM is common in the region of the head and neck and are commonly confused with hemangiomas (congenital). Appropriate classification is essential for therapeutic decision. The diferential diagnosis is based on clinical history, diascopy, and, if necessary, diagnostic imaging. This article present two cases of oral AVM in which DU was crucial in detecting a venous and/or arterial component in purplish lesions in the tongue and buccal mucosa, with positive diascopy...
February 2015: Minerva Stomatologica
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