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Venous malformation

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https://www.readbyqxmd.com/read/28074536/use-of-an-intravenous-sclerosing-foam-3-sodium-tetradecyl-sulfate-for-treatment-of-orbital-varix-in-a-dog
#1
Rebecca S Saunders, Brian A Scansen, Stephen S Jung, Hooman Khabiri, David A Wilkie
A 6-month-old intact male Standard Dachshund was referred for evaluation of a soft tissue swelling above the right eye. Examination of the right eye revealed mild lateral deviation of the globe, normal vision, and a dorsonasal soft tissue swelling. Examination of the posterior segment was normal. Dual-phase computed tomography angiography was consistent with an orbital varix of the angularis oculi and right dorsal external ophthalmic veins with no evidence of arterial involvement. Treatment involved fluoroscopically guided coil embolization of the venous outflow with nine platinum microcoils, followed by sclerotherapy of the varix using 1...
January 10, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28069785/postoperative-mycoplasma-hominis-brain-abscess-keep-it-in-mind
#2
Sarah Maria Bergin, Shehara M Mendis, Barnaby Young, Ezlyn Binti Izharuddin
A temporal lobe abscess was diagnosed in a 57-year-old man. A urethral catheter had been inserted 12 days earlier, just prior to clot evacuation of a subacute haematoma secondary to an arterio-venous malformation. Fever persisted despite debridement and treatment with meropenem and vancomycin. Gram stains of operative samples showed no bacteria. Extended cultures grew pinpoint colonies after 5 days. Meanwhile, sequencing of bacterial 16S rDNA from operative specimens had identified Mycoplasma hominis; the bacterial colonies were subsequently similarly identified...
January 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28049537/imperforated-cor-triatriatum-dexter-in-a-dog-with-concurrent-caudal-vena-cava-wall-mineralization
#3
Tetyda Paulina Dobak, Gregory Starrak, Kathleen Linn, Elisabeth Christine Roberston Snead
BACKGROUND: Cor triatriatum dexter (CTD) is a rare congenital cardiac malformation with various manifestations and has been sporadically described in dogs. Clinically the dogs present with nonspecific signs of right heart failure or Budd-Chiari-like syndrome. Other associated concurrent cardiovascular anomalies are commonly reported. Diagnosis and full characterization of this complex malformation requires careful investigation and often a multimodal imaging approach. CASE PRESENTATION: A 10-week-old, male intact, Golden Retriever was presented with clinical signs of stunted growth, anorexia, and progressive ascites...
January 3, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28045420/a-case-of-tracheal-bronchus-associated-with-right-aortic-arch-and-partial-anomalous-pulmonary-venous-connection
#4
Vehbi Doğan, İlker Ertuğrul, Yasemin Taşcı Yıldız, Utku Arman Örün, Selmin Karademir
Tracheal bronchus includes a variety of bronchial anomalies arising in the trachea or main bronchus and directed toward the upper-lobe territory. Reported incidence varies from 1-3% in the pediatric population. It is generally associated with other congenital malformations, including costovertebral anomalies, congenital airway and lung anomalies, vascular anomalies, and congenital heart defects. Presently described was the case of a 14-year-old female with tracheal right-upper-lobe bronchus, right aortic arch with mirror image, and abnormal left upper pulmonary venous return to innominate vein...
December 2016: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28042014/microsurgical-outcome-of-unruptured-brain-arteriovenous-malformations-a-single-center-experience
#5
Xianzeng Tong, Jun Wu, Yong Cao, Yuanli Zhao, Shuo Wang, Jizong Zhao
OBJECTIVE: We aimed to describe our single-center experience in treating unruptured brain arteriovenous malformations (uBAVMs) with microsurgical treatment. METHODS: During a 7-year period, 282 patients with uBAVMs were surgically treated at our institution. Patient clinical features, post-surgical complications, AVM obliteration rate, seizure control and functional outcome were collected and analyzed. Seizure control was evaluated with the Engel Seizure Outcome Scale...
December 29, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/28031645/shining-pearls-sign-a-new-identity-for-venous-malformations-on-computed-tomographic-imaging
#6
Venkatraman Bhat, Varun Bhat
Vascular malformations, in particular venous malformations (VM), are common lesions involving the pediatric and adolescent population. VM occur at approximately 1:5,000 to 10,000; approximately 40% of them occur in the head and neck regions. Classical appearance of VM on imaging is a demonstration of near-normal-sized or mildly dilated feeding arteries which subsequently lead to dilated venous structures of varying caliber, thus constituting the malformation. Phleboliths are the hallmark of VM. Plain radiography has been an established modality for demonstrating phleboliths...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28030895/imaging-of-intracranial-hemorrhage
#7
Jeremy J Heit, Michael Iv, Max Wintermark
Intracranial hemorrhage is common and is caused by diverse pathology, including trauma, hypertension, cerebral amyloid angiopathy, hemorrhagic conversion of ischemic infarction, cerebral aneurysms, cerebral arteriovenous malformations, dural arteriovenous fistula, vasculitis, and venous sinus thrombosis, among other causes. Neuroimaging is essential for the treating physician to identify the cause of hemorrhage and to understand the location and severity of hemorrhage, the risk of impending cerebral injury, and to guide often emergent patient treatment...
December 12, 2016: Journal of Stroke
https://www.readbyqxmd.com/read/28029591/cardiorespiratory-interactions-in-paediatrics-it-s-almost-always-the-circulation-stupid
#8
REVIEW
M L Rigby, M Rosenthal
The interaction of the heart and lungs is probably the most important aspect of life and survival. Fortunately, it is not difficult to understand the fundamentals. The purpose of the lungs and their ventilation is to present oxygen to the circulation via the alveoli and to receive carbon dioxide from the circulation and then expel it. The relations of the heart and lungs and the matching of blood flow to the various organs with ventilation and lung perfusion may be disrupted by a variety of congenital or acquired heart malformations...
August 12, 2016: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28028148/strokes-associated-with-pregnancy-and-puerperium-a-nationwide-study-by-the-japan-stroke-society
#9
Kazumichi Yoshida, Jun C Takahashi, Yohei Takenobu, Norihiro Suzuki, Akira Ogawa, Susumu Miyamoto
BACKGROUND AND PURPOSE: The incidence and cause of strokes associated with pregnancy and the puerperium are still not fully understood. The aim of this study was to characterize pregnancy-related strokes in Japan using a large-scale survey with current imaging techniques. METHODS: A retrospective analysis was conducted based on clinical chart reviews in 736 stroke teaching hospitals certified by the Japan Stroke Society between 2012 and 2013, using a web-based questionnaire requesting the detailed clinical course without any personally identifying information...
December 27, 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28009228/microsurgery-for-spetzler-ponce-class-a-and-b-arteriovenous-malformations-utilizing-an-outcome-score-adopted-from-gamma-knife-radiosurgery-a-prospective-cohort-study
#10
Michael K Morgan, Markus K Hermann Wiedmann, Marcus A Stoodley, Gillian Z Heller
OBJECTIVE The purpose of this study was to adapt and apply the extended definition of favorable outcome established for Gamma Knife radiosurgery (GKRS) to surgery for brain arteriovenous malformations (bAVMs). The aim was to derive both an error around the point estimate and a model incorporating angioarchitectural features in order to facilitate comparison among different treatments. METHODS A prospective microsurgical cohort was analyzed. This cohort included patients undergoing embolization who did not proceed to microsurgery and patients denied surgery because of perceived risk of treatment...
December 23, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28005008/angiopoietin-receptor-tie2-is-required-for-vein-specification-and-maintenance-via-regulating-coup-tfii
#11
Man Chu, Taotao Li, Bin Shen, Xudong Cao, Haoyu Zhong, Luqing Zhang, Fei Zhou, Wenjuan Ma, Haijuan Jiang, Pancheng Xie, Zhengzheng Liu, Ningzheng Dong, Ying Xu, Yun Zhao, Guoqiang Xu, Peirong Lu, Jincai Luo, Qingyu Wu, Kari Alitalo, Gou Young Koh, Ralf H Adams, Yulong He
Mechanisms underlying the vein development remain largely unknown. Tie2 signaling mediates endothelial cell (EC) survival and vascular maturation and its activating mutations are linked to venous malformations. Here we show that vein formation are disrupted in mouse skin and mesentery when Tie2 signals are diminished by targeted deletion of Tek either ubiquitously or specifically in embryonic ECs. Postnatal Tie2 attenuation resulted in the degeneration of newly formed veins followed by the formation of haemangioma-like vascular tufts in retina and venous tortuosity...
December 22, 2016: ELife
https://www.readbyqxmd.com/read/28003725/neonatal-cholestasis-as-initial-presentation-of-portosystemic-shunt-a-case-report
#12
Güzide Doğan, Fatih Düzgün, Serdar Tarhan, Yeliz Çağan Appak, Erhun Kasırga
Congenital intrahepatic portosystemic shunts are rare in children. Portosystemic venous malformations are characterized by extreme clinical variability. We report a full-term 33-day-old male infant presenting with neonatal jaundice. On physical examination, he had generalized icterus and the liver was palpable 3.5 cm below the right costal margin. He had no other symptoms. Laboratory tests showed AST 632 U/L, ALT 198 U/L, total bilirubin 12.1 mg/dL, conjugated bilirubin 10.2 mg/dL, alkaline phosphatase 753 U/L, GGT 47 U/L and glucose 67 U/L...
December 2016: Journal of Clinical and Experimental Hepatology
https://www.readbyqxmd.com/read/27999914/a-retrograde-transvenous-embolization-technique-with-balloon-assisted-arterial-aspiration-for-a-peripheral-arteriovenous-malformation-with-a-venous-pouch
#13
Asako Kuhara, Norimitsu Tanaka, Masamichi Koganemaru, Tomoko Kugiyama, Kensuke Kiyokawa, Toshi Abe
Management of arteriovenous malformations (AVMs) is challenging, and there is no consensus regarding either the ideal approach or the treatment timing. Percutaneous embolization is the most frequent approach currently used and is considered the first-line technique for AVMs. There is an ongoing discussion about the best technical approach to embolize AVMs. AVMs associated with a dominant outflow vein (DOV) are rare. Embolization of both the DOV and the nidus is considered more effective. Herein, we report a novel technique of transvenous embolization of a DOV under negative pressure from an arterial balloon catheter in a case of a peripheral AVM...
December 20, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27999514/hemorrhagic-stroke-resulting-from-venous-malformation-at-20-weeks-of-pregnancy
#14
Nicole D Ulrich, Elizabeth R Lapeyre, Robert C Moore
BACKGROUND: Stroke in the pregnant patient is not a common occurrence. Despite its relative rarity, stroke during pregnancy is associated with high morbidity and mortality for both mother and infant. We report the case of a patient who experienced a hemorrhagic stroke during pregnancy because of venous cavernoma. CASE REPORT: A 34-year-old patient, gravida 5 para 1-0-3-1, presented to labor and delivery triage at 21 weeks, 0 days' gestation with the concern of sudden-onset right-sided facial, arm, and leg numbness and weakness...
2016: Ochsner Journal
https://www.readbyqxmd.com/read/27999128/blue-rubber-bleb-naevus-syndrome-a-rare-cause-of-chronic-occult-blood-loss-and-iron-deficiency-anaemia
#15
Martin Bell Lybecker, Marek Stawowy, Niels Clausen
Blue rubber bleb naevus syndrome (BRBNS) is a rare vascular disorder with malformed veins, or blebs, appearing in the skin or internal organs. Gastrointestinal tract involvement is the most common feature and often subject to bleeding, potentially resulting in chronic occult blood loss and iron deficiency anaemia. We present the case of a 10-year-old boy with venous malformations on the feet and severe anaemia. Although massive sudden haemorrhage rarely occurs, awareness of the illness is necessary to prevent complications...
December 20, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27990394/great-saphenous-vein-dilatation-with-reflux-at-the-saphenofemoral-junction-a-rare-underlying-association-of-eccrine-angiomatous-hamartoma
#16
Sanjiv Choudhary, Quazi Sabiha, Adarsh Lata Singh
Eccrine angiomatous hamartoma (EAH) is an exceedingly rare benign tumor-like lesion prevalent in childhood, which can produce pain and marked sweating. Histological features include proliferation of eccrine sweat glands and angiomatous capillary channels. It may be rarely associated with underlying pathological conditions. A 15-year-old female patient presented with multiple tender reddish papules and nodules coalescing to form plaques of 10 × 8 cm over the anterior aspect of the right lower thigh since birth...
November 2016: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/27988892/immunolocalization-of-substance-p-and-nk-1-receptor-in-vascular-anomalies
#17
Alejandro Ortiz-Prieto, José Bernabeu-Wittel, Teresa Zulueta-Dorado, Ana I Lorente-Lavirgen, Miguel Muñoz
The peptide substance P (SP) shows a widespread distribution in both the central and peripheral nervous systems, but it is also ubiquitous in the human body. After binding to the neurokinin-1 (NK-1) receptor, SP regulates tumoral angiogenesis and proliferation. Thus, knowledge of this system is the key for a better understanding and, hence, a better management of many human diseases, including vascular anomalies (VA). This study aims to examine the expression and localization of both SP and the NK-1 receptor in different vascular anomalies using an immunohistochemical technique...
December 17, 2016: Archives of Dermatological Research
https://www.readbyqxmd.com/read/27987600/ruptured-external-jugular-varix
#18
Bogdan A Kindzelski, Huiting Chen, Yogendra Kanthi, Thomas Wakefield, Dawn M Coleman
Venous dilations of the jugular veins are uncommon and external jugular varix even rarer. We present the case of a 57-year-old woman with ruptured external jugular varix and the surgical repair of such. Surgical intervention is warranted in these rare venous malformations to prevent known complications of thromboembolism and rupture.
January 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/27941746/klippel-trenaunay-syndrome-a-case-report
#19
M N Islam, M A Hossain, M S Rahman, T Tazmin, M A Ali, F Sultana, S A Haque
Klippel Trenaunay syndrome refers to a rare congenital anomaly which is characterized by capillary malformation, venous malformation and sometimes lymphatic malformation associated with overgrowth of a limb, with soft tissue hypertrophy and/or bony hypertrophy. The anomaly, if present, is present at birth and usually involves the lower limbs as well as portion of trunk, face, uppper limb or head. Our reporting case is a preterm male neonate having port wine stain, varicose veins and excessive growth of soft tissue of left lower limb clinically consistent with Klippel Trenaunay Syndrome...
October 2016: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/27941161/angiopoietin-tie-signalling-in-the-cardiovascular-and-lymphatic-systems
#20
REVIEW
Lauri Eklund, Jaakko Kangas, Pipsa Saharinen
Endothelial cells that form the inner layer of blood and lymphatic vessels are important regulators of vascular functions and centrally involved in the pathogenesis of vascular diseases. In addition to the vascular endothelial growth factor (VEGF) receptor pathway, the angiopoietin (Ang)-Tie system is a second endothelial cell specific ligand-receptor signalling system necessary for embryonic cardiovascular and lymphatic development. The Ang-Tie system also regulates postnatal angiogenesis, vessel remodelling, vascular permeability and inflammation to maintain vascular homoeostasis in adult physiology...
January 1, 2017: Clinical Science (1979-)
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