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Vascular radiology

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https://www.readbyqxmd.com/read/29161397/abdominal-aortic-aneurysm-repair-in-the-united-kingdom-an-exemplar-for-the-role-of-anaesthetists-in-perioperative-medicine
#1
S J Howell
The past two decades have seen an increasing recognition that the delivery of safe surgery with low complication rates and good long-term outcomes is a team endeavour embracing the whole patient care pathway. The key role of the anaesthetist in managing the patient through the surgical process is widely understood and has driven the emergence of perioperative medicine. In parallel with these developments there has been a sea change in the organisation of the care of patients presenting for elective abdominal aortic aneurysm (AAA) repair...
December 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29160086/anatomic-and-radiologic-study-of-renal-avascular-plane-brodel-s-line-and-its-potential-relevance-on-percutaneous-and-surgical-approaches-to-the-kidney
#2
Veronica Macchi, Edgardo Picardi, Antonino Inferrera, Andrea Porzionato, Alessandro Crestani, Giacomo Novara, Raffaele De Caro, Vincenzo Ficarra
OBJECTIVE: The aim of the present anatomic and radiologic study was to evaluate the location, extension and characteristics of the Brödel's plane and eventually define its different patterns. MATERIAL AND METHODS: We evaluated 15 human normal kidneys sampled from un-embalmed cadavers without clinical history or anatomical evidence of renal diseases. Kidneys with the surrounding perirenal fat tissue were removed en bloc with the abdominal segment of the aorta. The renal artery was injected with acrylic and radiopaque resins...
November 21, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/29154725/non-aneurysmal-subarachnoid-hemorrhage-when-is-a-second-angiography-indicated
#3
Asma Bashir, Ronni Mikkelsen, Leif Sørensen, Niels Sunde
Purpose Repeat imaging in patients with non-aneurysmal subarachnoid hemorrhage (NASAH) remains controversial. We aim to report our experience with NASAH with different hemorrhage patterns, and to investigate the need for further diagnostic workup to determine the underlying cause of hemorrhage. Method We conducted a retrospective analysis of all spontaneous SAH with an initial negative computed tomography (CT) with angiography (CTA) and/or digital subtraction angiography (DSA) from October 2011 through May 2017...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/29152563/integrated-radiomic-framework-for-breast-cancer-and-tumor-biology-using-advanced-machine-learning-and-multiparametric-mri
#4
Vishwa S Parekh, Michael A Jacobs
Radiomics deals with the high throughput extraction of quantitative textural information from radiological images that not visually perceivable by radiologists. However, the biological correlation between radiomic features and different tissues of interest has not been established. To that end, we present the radiomic feature mapping framework to generate radiomic MRI texture image representations called the radiomic feature maps (RFM) and correlate the RFMs with quantitative texture values, breast tissue biology using quantitative MRI and classify benign from malignant tumors...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/29151003/lung-ultrasound-in-the-critically-ill-luci-a-translational-discipline
#5
Daniel A Lichtenstein, Manu L N G Malbrain
In the early days of ultrasound, it was not a translational discipline. The heart was claimed by cardiologists, with others, such as gynaecologists, urologists and vascular surgeons claiming their part while the rest was given to radiologists. Only recently, ultrasound transgressed and crossed the usual borders between the different disciplines, such as emergency and critical care medicine. The advent of portable machines in the early 1980s, allowed the critical care physician to perform bedside ultrasound, and the development of whole body critical care ultrasound (CCUS) was born...
November 18, 2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/29150036/thoracic-surgery-considerations-in-the-child-and-young-adult
#6
REVIEW
Marvin D Atkins, Stephanie Fuller
Vascular rings and slings may represent life-threatening compression of the esophagus and trachea. Such anatomic variants, although rare, are encountered by all thoracic surgeons in the scope of their practice at some time. The thoracic surgeon, whether treating such patients in the practice of congenital heart surgery, or in the practice of adult cardiac or thoracic surgery must have a requisite understanding of such anatomic variants, their diagnostic workup and radiologic interpretation, as well as their surgical management...
February 2018: Thoracic Surgery Clinics
https://www.readbyqxmd.com/read/29142751/hepatic-epithelioid-hemangioendothelioma-with-metastasis-to-the-mesentery-of-the-small-intestine-a-case-report
#7
Daichi Nakamura, Yasushi Adachi, Yasuaki Nakashima, Noriko Sakaida, Hiroyuki Narahara, Ming Shi, Michihiko Tsubono, Susumu Ikehara
Epithelioid hemangioendothelioma (EHAE) is a vascular tumor which, due to its rarity, is often misdiagnosed as other hepatic tumors based on radiological characteristics. We herein report a case of EHAE in the liver and the mesentery of the small intestine. A 64-year-old asymptomatic woman was admitted to the hospital due to a hepatic tumor identified using computed tomography (CT). An enhanced CT scan revealed multiple tumors in the liver and a tumor in the mesentery. One of the hepatic tumors and the mesenteric tumor were resected and histologically examined...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29142582/pseudoaneurysm-of-left-proximal-common-carotid-artery-following-penetrating-trauma
#8
Rehana Shaikh, Saba Sohail, Parvez Ahmed Shaikh, Qamar-Un-Nisa Nisa
A 33-year male with history of penetrating trauma to left upper chest in 2006, presented through Medical unit to Radiology Department with complain of hemoptysis. Chest X-ray showed a soft tissue lesion in left upper lobe with a linear metallic foreign body. Contrast enhanced CT scan of chest and later CTA was performed which showed a saccular aneurysm arising from mediastinal part of left common aortic artery surrounded by thrombosis with a cylindrical linear metallic foreign body. He was planned for endovascular repair with stenting which he could not afford due to financial constraints...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29137094/a-novel-non-contrast-enhanced-mra-using-silent-scan-for-evaluation-of-brain-arteriovenous-malformation-a-case-report-and-review-of-literature
#9
Jin Il Moon, Hye Jin Baek, Kyeong Hwa Ryu, Hyun Park
RATIONALE: Brain arteriovenous malformations (AVMs) are congenital vascular abnormalities involving abnormal connections between arteries and veins. In clinical practice, imaging studies help evaluate feeding arteries, niduses, draining venous systems, and coexisting complications in patients with brain AVM. They also have an impact on decision-making regarding clinical management. We applied a novel non-contrast-enhanced MR angiography (MRA) technique, termed "silent MRA," for evaluating an incidental brain AVM...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29131823/prevalence-of-extracranial-carotid-artery-aneurysms-in-patients-with-an-intracranial-aneurysm
#10
V E C Pourier, C J H C M van Laarhoven, M D I Vergouwen, G J E Rinkel, Gert J de Borst
BACKGROUND AND PURPOSE: Aneurysms in various arterial beds have common risk- and genetic factors. Data on the correlation of extracranial carotid artery aneurysms (ECAA) with aneurysms in other vascular territories are lacking. We aimed to investigate the prevalence of ECAA in patients with an intracranial aneurysm (IA). METHODS: We used prospectively collected databases of consecutive patients registered at the University Medical Center Utrecht with an unruptured intracranial aneurysm (UIA) or aneurysmal Subarachnoid hemorrhage (SAH)...
2017: PloS One
https://www.readbyqxmd.com/read/29129522/increasing-the-safety-of-surgical-treatment-for-complex-cranio-vertebral-anomalies-using-customized-3d-printed-models
#11
Kataria Rashim, K Verma Pawan, V D Sinha
Surgery for the Cranio-vertebral (CV) junction anomalies using top loading subocciput (C0)/C1-C2 screws is difficult and requires high level of skill and expertise. This is because of complex abnormal anatomy in that region and other issues including the instrumentation. Thorough knowledge of the 3D anatomy of the Craniovertebral junction of the patient is essential for favourable outcome. The customised 3D printed model of CV junction region of the patient can be used for studying the anatomy and relationship of vertebral artery to the C1-C2 joint before the actual surgery...
November 9, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29129347/international-society-for-the-study-of-vascular-anomalies-classification-of-soft-tissue-vascular-anomalies-survey-based-assessment-of-musculoskeletal-radiologists-use-in-clinical-practice
#12
Shivani Ahlawat, Laura M Fayad, Daniel J Durand, Kate Puttgen, Aylin Tekes
AIM: There is controversy regarding the diagnosis and classification of vascular anomalies (VA). As torso and extremities are the second most common body part for presentation of VAs, musculoskeletal (MSK) radiologists play a central role in VA classification. The purpose of this study was to evaluate the awareness and clinical use of the International Society for the Study of Vascular Anomalies (ISSVA) classification by MSK radiologists. MATERIALS AND METHODS: A Web-based survey was designed and electronically sent to Society of Skeletal Radiology (SSR) members, with 3 questions on demographics and 7 questions on ISSVA classification use and knowledge...
October 16, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/29125049/pseudoaneurysm-at-m3-of-the-middle-cerebral-artery-morphological-changes-on-serial-radiological-examinations
#13
Motohiro Nomura, Kentaro Mori, Issei Fukui, Kunio Yanagimoto, Hiroshi Shima, Naoki Muramatsu
A 20-year-old man presented with consciousness disturbance and hemiparesis, and computed tomography demonstrated subarachnoid and intracerebral hemorrhage. Angiography on admission demonstrated a slight irregularity of the middle cerebral artery (MCA) branch. Angiography on the 12th day showed a suspicious lesion at M3 of the left MCA. Angiography performed 24 days after the onset disclosed an aneurysm at M3. The aneurysm was trapped and resected after superficial temporal artery-MCA bypass. Pathological examinations revealed that this distal aneurysm was a pseudoaneurysm without vascular components in its dome...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/29124344/three-dimensional-computed-tomography-angiography-reconstruction-of-the-origin-of-the-uterine-artery-and-its-clinical-significance
#14
Alexandra Arfi, Julia Arfi-Rouche, Vincent Barrau, Krystel Nyangoh Timoh, Cyril Touboul
PURPOSE: In women, the uterine artery is the main branch of the internal iliac artery, vascularizing most of the uterus. Knowledge of its origin and variations is essential during extensive gynaecological surgery and interventional radiological procedures. We aimed to investigate its origin and explore its anatomical variations by three-dimensional (3D) reconstructed computed tomography (CT) angiography. METHODS: This was a retrospective, monocentric observational study involving CT scans of the abdomen and lower limbs of women < 50 years old with 3D reconstructed CT images of the internal and external iliac arterial axes...
November 9, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29121841/prophylactic-inferior-vena-cava-filter-utilization-and-risk-factors-for-nonretrieval
#15
Jordan R Stern, Danielle E Cafasso, Andrew J Meltzer, Darren B Schneider, Sharif H Ellozy, Peter H Connolly
PURPOSE: Inferior vena cava filters (IVCFs) are often placed for prophylactic indications. We sought to better define the range of practice indications for placement of prophylactic IVCFs, as well as the specific retrieval rate and risk factors for nonretrieval. METHODS: A retrospective, single-institution review of patients undergoing IVCF placement over a 2-year period was performed. Patients undergoing prophylactic IVCF placement were selected from a prospectively collected database...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29117964/clinical-characteristics-of-children-evaluated-for-suspected-pulmonary-embolism-with-d-dimer-testing
#16
Jessica Kanis, Jonathan Pike, Cassandra L Hall, Jeffrey A Kline
BACKGROUND: We sought to determine clinical variables in children tested for suspected pulmonary embolism (PE) that predict PE+ outcome for the development of paediatric PE prediction rule. METHODS: Data were collected by query of a laboratory database for D-dimer from January 2004 to December 2014 for a large multicentre hospital system and the radiology database for pulmonary vascular imaging in children aged 5-17. Using explicit, predefined methods, trained abstractors, determined if D-dimer was sent in the evaluation of PE and then recorded predictor data which was tested for association with PE+ outcome using univariate techniques...
November 8, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/29114187/use-of-fibular-bone-graft-and-cancellous-screw-fixation-in-the-management-of-neglected-femur-neck-fractures-in-young-patients
#17
Ghulam Mustafa Kaim Khani, Kamran Hafeez, Muhammad Bux, Nusrat Rasheed, Naveed Ahmed, M Perwez Anjum
Objective: To present the clinical outcome of patients with neglected femur neck fracture treated with fibular bone graft. Methods: During May 2010-February 2013, 15 patients younger than 35 years of age with neglected fracture neck of femur were managed with non-vascularized fibular graft and cannulated screws. Fractures were classified according to Sandhu Classification. Hip function was assessed using Harris hip score. Results: Fifteen patients with mean age of 28...
November 2017: International Journal of Health Sciences
https://www.readbyqxmd.com/read/29113514/microballoon-related-interventions-in-various-endovascular-treatments-of-body-trunk-lesions
#18
Tomohiro Matsumoto, Kosuke Tomita, Satoshi Suda, Kazunobu Hashida, Shunto Maegawa, Toshihiko Hayashi, Takuji Yamagami, Tetsuya Suzuki, Terumitsu Hasebe
Occlusion balloon catheters of 5.2- or 6-French have been used for a few decades in various endovascular treatments of body trunk vascular lesions. However, these catheters may be difficult to place in cases of excessive vessel tortuosity, small vessels, and anatomic complexity. Recently, the introduction of the double lumen microballoon catheters for body trunk vascular lesions has allowed operators to advance them into more distal, smaller, and more tortuous vessels. Since the launch of the first generation microballoon catheters onto the market in Japan in 2011, the microballoon catheters have evolved and are now generally available for clinical use...
November 7, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/29110840/immunohistochemical-and-genetic-characteristics-of-lung-cancer-mimicking-organizing-pneumonia
#19
Tomohiro Ichikawa, Koichi Saruwatari, Sachiyo Mimaki, Masato Sugano, Keiju Aokage, Motohiro Kojima, Tomoyuki Hishida, Satoshi Fujii, Junji Yoshida, Takeshi Kuwata, Atsushi Ochiai, Kenji Suzuki, Masahiro Tsuboi, Koichi Goto, Katsuya Tsuchihara, Genichiro Ishii
INTRODUCTION: Lung cancer mimicking organizing pneumonia (LCOP) is a novel radiological entity of lung adenocarcinoma that could be misdiagnosed as inflammatory lesions. However, the characteristic biological and genetic features of LCOP are not fully clarified. MATERIALS AND METHODS: We used thin-section CT images to select cases of (LCOP) among surgically resected lung adenocarcinoma patients. We compared the clinicopathological characteristics and the immunophenotypes of LCOP (n=44) and other lepidic-predominant adenocarcinomas (non-LCOP, n=56)...
November 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/29106877/role-of-imaging-in-the-diagnosis-of-parotid-infantile-hemangiomas
#20
Fabiola C Weber, Arin K Greene, Denise M Adams, Marilyn G Liang, Mohammed H Alomari, Stephan D Voss, Gulraiz Chaudry
OBJECTIVES: To review the clinical presentation, imaging and follow-up of parotid infantile hemangiomas (IH). METHODS: Over a 15-year period, all patients with a clinical diagnosis of parotid IH were evaluated. Imaging was available in 35. The medical records, photographs, and radiology studies of these patients were reviewed. RESULTS: All patients presented at less than 4 months of age (M:F, 13:21). 19 (55)% of tumors were on the left and were bilateral in 2 patients...
November 2017: International Journal of Pediatric Otorhinolaryngology
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