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Vascular radiology

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https://www.readbyqxmd.com/read/29789966/beh%C3%A3-et-s-syndrome-and-nervous-system-involvement
#1
REVIEW
Uğur Uygunoğlu, Aksel Siva
PURPOSE OF REVIEW: Although Behçet's syndrome (BS) is classified as a rare disease in European countries and the USA, its neurologic involvement "neuro-Behçet's syndrome (NBS)" is commonly included in the differential diagnosis of many inflammatory and vascular central nervous system (CNS) disorders. Clinical and neuroimaging findings support two major forms of NBS: parenchymal NBS (p-NBS) and an extra-parenchymal form that presents with cerebral venous sinus thrombosis (CVST)...
May 23, 2018: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/29789198/corseting-a-new-technique-for-the-management-of-diffuse-venous-malformations-in-the-head-and-neck-region
#2
S C Nair, J P Chawla, S S Shroff, B Kumar, A Shah
A new surgical technique of intra-tumoural ligation for the treatment of low-flow vascular malformations in the head and neck region is proposed. Ninety patients with diffuse low-flow vascular malformations diagnosed clinically and/or radiologically were treated surgically with the corset suturing technique. All patient records and clinical photographs were reviewed retrospectively. Significant clinical results were obtained: a reduction of the turnout tumour mass and a return of the regional facial outline was evident within 4 weeks after surgery...
May 19, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29787613/clinical-and-functional-outcomes-of-vascularized-bone-graft-in-the-treatment-of-scaphoid-non-union
#3
Alireza Rahimnia, Amir-Hossein Rahimnia, Abdolkarim Mobasher-Jannat
INTRODUCTION: Scaphoid non-union is a challenging and complex problem. Various methods have been proposed for the management of patients with scaphoid non-union and to reduce the risk of complications. In this study, our aim was to evaluate the clinical and functional outcomes of using a vascularized bone graft in the treatment of scaphoid non-union. METHODS: Patients with scaphoid non-union who underwent 1,2 intercompartmental supraretinacular artery pedicled vascularized bone graft between January 2005 and January 2011 were enrolled...
2018: PloS One
https://www.readbyqxmd.com/read/29783886/the-impact-of-surgical-resection-of-the-primary-tumor-on-the-development-of-synchronous-colorectal-liver-metastasis-a-systematic-review
#4
H Pinson, S Cosyns, Wim P Ceelen
BACKGROUND: In recent years different therapeutic strategies for synchronously liver metastasized colorectal cancer were described. Apart from the classical staged surgical approach, simultaneous and liver-first strategies are now commonly used. One theoretical drawback of the classical approach is, however, the stimulatory effect on liver metastases growth that may result from resection of the primary tumour. This systematic review, therefore, aims to investigate the current insights on the stimulatory effects of colorectal surgery on the growth of synchronous colorectal liver metastases in humans...
May 22, 2018: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/29781768/guided-bone-regeneration-and-implant-placement-in-association-with-a-coronally-positioned-palatal-sliding-flap-a-17-year-follow-up-case-report
#5
Carlo Maiorana, Pier Paolo Poli, Mario Beretta
The aim of the present case report was to show the 17-year hard and soft tissues stability of guided bone regeneration procedure associated with dental implants insertion. A 52-year-old male patient presented with a partial edentulism in the upper right maxilla. A graft consisting of deproteinized bovine bone mineral and autogenous bone stabilized by a non-resorbable expanded polytetrafluoroethylene membrane was used to reconstruct the missing bone applying the biological principles of guided bone regeneration...
May 21, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29781675/axial-sesamoiditis-in-the-horse-a-review
#6
Christelle Le Roux, Ann Carstens
Axial sesamoiditis or osteitis of the proximal sesamoid bones (PSBs) in the horse is described as a rare condition. The cause remains unknown and speculative, with vascular, infectious, and traumatic aetiologies implicated. It is specifically associated with injury of the palmar or plantar ligament (PL), also known as the intersesamoidean ligament. Imaging findings are generally rewarding and radiological changes are typical, if not pathognomonic, for the condition. Lesions consist of bone lysis at the apical to mid-body axial margins of the PSBs, with variable degrees of joint effusion...
March 29, 2018: Journal of the South African Veterinary Association
https://www.readbyqxmd.com/read/29777884/neurosurgical-management-of-self-inflicted-cranial-crossbow-injury
#7
Charles G Kulwin, Andrew DeNardo, Saad Khairi, Troy Payner
BACKGROUND: While gun-related penetrating traumatic brain injuries make up the majority of cranial missile injuries, low-velocity penetrating injuries present significant clinical difficulties that cannot necessarily be identically managed. Bow hunting is an increasingly popular pastime, and a crossbow allows a unique mechanism to cause a self-inflicted cranial injury with a large, low-velocity projectile. Historically, arrow removal is described in an operating room setting, which provides limited knowledge of the location of vascular injury in the setting of post-removal hemorrhage, and may represent an inefficient use of operating room availability...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29776600/contrast-enhanced-ultrasound-quantifies-the-perfusion-within-tibial-non-unions-and-predicts-the-outcome-of-revision-surgery
#8
Daniel Krammer, Gerhard Schmidmaier, Marc-André Weber, Julian Doll, Christoph Rehnitz, Christian Fischer
Vascularity is one of the factors determining successful bone regeneration. This prospective study focused on quantifying the microperfusion of tibial non-unions with contrast-enhanced ultrasound (CEUS) 12 wk after revision surgery and comparing it with the osseous consolidation at a maximum of 24 mo assessed with standard radiography and computed tomography. Of 36 patients with tibial non-unions, 28 (77.8%) manifested consolidation, and 8 patients required further revision surgery. CEUS revealed significantly higher perfusion in consolidated versus persistent non-unions for all quantification parameters (e...
May 15, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29774181/embolization-with-ethylene-vinyl-alcohol-copolymer-onyx-%C3%A2-for-peripheral-hemostatic-and-non-hemostatic-applications-a-feasibility-and-safety-study
#9
Romaric Né, Olivier Chevallier, Nicolas Falvo, Olivier Facy, Pierre-Emmanuel Berthod, Christophe Galland, Sophie Gehin, Marco Midulla, Romaric Loffroy
Background: Onyx® is a liquid embolic agent, which is approved for the treatment of cerebral vascular lesions but still rarely used in peripheral interventional radiology. The goal of this study is to report the feasibility and safety of embolization with Onyx® for peripheral hemostatic and non-hemostatic endovascular procedures. Methods: Retrospective study of all consecutive patients who underwent visceral or peripheral embolization with Onyx® for hemostatic or non-hemostatic purpose in our department between May 2014 and November 2016...
April 2018: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/29774173/role-of-interventional-radiology-in-the-management-of-peripheral-vascular-malformations-a-tertiary-care-center-experience
#10
Misbah Tahir, Muhammad Anees Mumtaz, Anum Sultan, Jawaid Iqbal, Raza Sayani
Peripheral vascular malformations (PVMs) represent a wide spectrum of vascular abnormalities occurring due to anomalous connections between arteries, veins, capillaries, and lymphatic channels at the microscopic level, in different combinations. They are rare and challenging to treat. Different operators may have different approaches based on their experience and expertise. Sclerotherapy either alone or in combination with embolization has been used as an independent method for the treatment of PVMs. Purpose The aim of this study is to assess the safety and efficacy of sclerotherapy and embolization, with or without surgery, for the treatment of peripheral vascular malformations, based on our approach...
March 16, 2018: Curēus
https://www.readbyqxmd.com/read/29772369/sciatic-neuralgia-caused-by-may-thurner-syndrome-case-report
#11
Kazuaki Yamamoto, Gakuji Gondo, Hidemitsu Ogino, Tsuyoshi Watanabe, Masahiko Tanaka, Satoshi Tanaka, Taisuke Kawasaki
BACKGROUND: Sciatic neuralgia (SN) is a type of pain commonly associated with lumbosacral radiculopathy. May-Thurner syndrome (MTS) is a disease characterized by venous congestion in the left common iliac vein (LCIV) due to right common iliac artery compression. In this report, the authors describe a case of MTS with SN as the first presenting symptom. CASE DESCRIPTION: A 53-year-old man gradually developed left SN; however, radiological examination showed no causal findings...
May 14, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29771954/preoperative-prediction-of-microvascular-invasion-of-hepatocellular-carcinoma-with-ivim-diffusion-weighted-mr-imaging-and-gd-eob-dtpa-enhanced-mr-imaging
#12
Wei Zhao, Wenguang Liu, Huaping Liu, Xiaoping Yi, Jiale Hou, Yigang Pei, Hui Liu, Deyun Feng, Liyu Liu, Wenzheng Li
Microvascular invasion (MVI) is regarded as one of the independent risk factors for recurrence and poor prognosis of hepatocellular carcinoma (HCC). The presence of MVI in HCCs was evaluated on the basis of pathological reports of surgical specimens and was defined as tumor within a vascular space lined by endothelium that was visible only on microscopy. The aim of the study was to investigate the usefulness of intravoxel incoherent motion (IVIM) diffusion weighted (DW) magnetic resonance (MR) imaging in predicting MVI of HCC...
2018: PloS One
https://www.readbyqxmd.com/read/29766943/brain-stem-hemangioblastomas-the-seemingly-innocuous-lesion-in-a-perilous-location
#13
Jeena Joseph, Sanjay Behari, Shruti Gupta, Kamlesh Singh Bhaisora, Anish Gandhi, Arun Srivastava, Awadhesh K Jaiswal
Introduction: Hemangioblastomas [75% sporadic, 25% with Von Hippel Lindau (VHL) disease] are highly vascular, benign lesions. The surgical nuances, management, and complication avoidance in brain-stem hemangioblastomas (BHs) have been studied. Material and Methods: Over 18 years, 27(mean age: 29 years; range 15-60 years) consecutive cases of BH underwent microsurgical excision. All patients were assessed clinico-radiologically for neurological deficits and screened for VHL disease...
May 2018: Neurology India
https://www.readbyqxmd.com/read/29765230/clinical-and-radiological-characteristics-of-central-pulmonary-adenocarcinoma-a-comparison-with-central-squamous-cell-carcinoma-and-small-cell-lung-cancer-and-the-impact-on-treatment-response
#14
Zhe Wang, Minghuan Li, Yong Huang, Li Ma, Hui Zhu, Li Kong, Jinming Yu
Purpose: The proportion of central pulmonary adenocarcinoma (ADC) in central-type lung cancer has been gradually increasing due to the overall increasing incidence of pulmonary ADC. But the clinical and radiological characteristics of central ADCs remain unclear. In this study, we compared the clinical and radiological characteristics of central ADCs with those of small cell lung cancers (SCLCs) and squamous cell carcinomas (SQCCs) and investigated the impact of these characteristics on patients' treatment response...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29755271/clinical-radiological-and-histopathological-characteristics-of-surgically-removed-orbital-hematic-cysts-a-case-series
#15
Hind M Alkatan, Mohammad Al Otaibi, Azza M Y Maktabi, Hamad Aljaedi, Sahar M Elkhamary, Yasser Al-Faky, Adel H Alsuhaibani
Background: Hematic cyst is a rare orbital condition that has a wide range of clinical presentation and is characterized pathologically by lack of endothelial lining. Purpose: To correlate clinical and radiological features of hematic cysts, to tissue diagnosis, and investigate the possible etiology behind this condition, its relation to trauma and other interesting histopathological findings. Methods: Retrospective case series at King Khaled Eye Specialist Hospital (KKESH) and King Abdulaziz University Hospital (KAUH) of all orbital lesions with tissue findings supporting the clinical and/or radiological diagnosis of hematic cyst...
January 2018: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/29753703/ngr-htnf-in-combination-with-best-investigator-choice-in-previously-treated-malignant-pleural-mesothelioma-ngr015-a-randomised-double-blind-placebo-controlled-phase-3-trial
#16
Vanesa Gregorc, Rabab M Gaafar, Adolfo Favaretto, Francesco Grossi, Jacek Jassem, Andreas Polychronis, Paolo Bidoli, Marcello Tiseo, Riyaz Shah, Paul Taylor, Silvia Novello, Alberto Muzio, Alessandra Bearz, Laurent Greillier, Floriana Fontana, Giulia Salini, Antonio Lambiase, Mary O'Brien
BACKGROUND: Malignant pleural mesothelioma is an aggressive cancer with highly vascularised tumours. It has poor prognosis and few treatment options after failure of first-line chemotherapy. NGR-hTNF is a vascular-targeting drug that increases penetration of intratumoral chemotherapy and T-cell infiltration by modifying the tumour microenvironment. In this trial, we aimed to investigate the efficacy and safety of NGR-hTNF in patients with malignant pleural mesothelioma who had progressed during or after a first-line treatment...
May 9, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29749991/pulmonary-embolism-as-a-rare-complication-of-liver-hydatid-cyst-report-of-two-cases
#17
Omar Toumi, Randa Salem, Sadok Ben Jabra, Ghedira Abdesslem, Faouzi Noomen, Abdel Aziz Hamdi
Hydatid cyst is a helminth infection. The rupture of a hepatic hydatid cyst in inferior vena cava is a rare and lethal complication. Pulmonary embolism is the commonest manifestation. The diagnosis of hydatid cyst is made by histopathological or serological examination, and imaging may suggest the probability of hydatid cyst. Surgical treatment should be performed with caution and always under vascular control. We present two cases of hydatid cyst ruptured into the inferior vena cava. The patients also presented with dyspnea, hemoptysis, and intermittent cough at the time of admission...
March 2018: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29742952/a-pilot-study-to-measure-vascular-compliance-changes-during-fistula-maturation-using-open-source-software
#18
Barry Belmont, Dae Woo Park, Albert Shih, Matthew Leavitt, Brett Plattner, Peter K Henke, William F Weitzel
PURPOSE: Autogenous arteriovenous fistulas are the preferred access for hemodialysis. Yet when created, fistulas often fail to mature, requiring surgical or radiologic interventions before their use. This pilot study measures the vascular wall elasticity and flow gradient using an open-source ultrasound software program designed to aid in assessing fistula maturation. METHODS: A total of seven end-stage renal disease patients were enrolled for our study after providing informed consent...
May 1, 2018: Journal of Vascular Access
https://www.readbyqxmd.com/read/29738030/renal-oncocytoma-in-a-kidney-transplant-patient-the-imaging-features-on-contrast-enhanced-ultrasonography-ceus-a-case-report
#19
Lucia Alejandra Alfaro Villanueva, Maira Knust, Leonardo Quintella, José Hermógenes R Suassuna, Nordeval C Araújo
Renal oncocytoma is an infrequently reported renal neoplasm, often asymptomatic, which usually behaves as a benign entity and is identified accidentally on radiological imaging. Transplant patients under long-term immunosuppressive drugs have a high prevalence of cancers, such as skin cancers, lymphoproliferative disorders, and renal carcinomas. We present a case report of an asymptomatic renal oncocytoma in a kidney transplant recipient presenting persistent hematuria. The features of computed tomography and contrast-enhanced ultrasound (CEUS) are presented...
April 19, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29733994/major-hepatectomies-in-liver-cystic-echinococcosis-a-bi-centric-experience-retrospective-cohort-study
#20
Jose Manuel Ramia, Alejandro Serrablo, Mario Serradilla, Aylhin Lopez-Marcano, Roberto de la Plaza, Ana Palomares
Surgical treatment of liver cystic echinococcosis (LCE) could be conservative or radical. Radical surgery includes liver resection, but usually are minor hepatectomy in favourable segments. Experience in major hepatectomy (MH) for LCE is limited. METHODS: Retrospective study. PERIOD: January 2007-December 2014. INCLUSION CRITERIA: liver infestation with Echinococcus granulosus causing active or complicated cysts. Epidemiological, clinical, radiological and surgical data were studied...
May 4, 2018: International Journal of Surgery
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