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Ultrasound of bowel disease

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https://www.readbyqxmd.com/read/29467827/advanced-imaging-techniques-for-small-bowel-crohn-s-disease-what-does-the-future-hold
#1
REVIEW
Inês Pita, Fernando Magro
Treatment of Crohn's disease (CD) is intrinsically reliant on imaging techniques, due to the preponderance of small bowel disease and its transmural pattern of inflammation. Ultrasound (US), computed tomography (CT) and magnetic resonance imaging (MRI) are the most widely employed imaging methods and have excellent diagnostic accuracy in most instances. Some limitations persist, perhaps the most clinically relevant being the distinction between inflammatory and fibrotic strictures. In this regard, several methodologies have recently been tested in animal models and human patients, namely US strain elastography, shear wave elastography, contrast-enhanced US, magnetization transfer MRI and contrast dynamics in standard MRI...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29438853/gastric-ulceration-and-perforation-secondary-to-large-trichobezoar-a-case-report-describing-the-role-of-magnetic-resonance-imaging-in-diagnosis
#2
M M Hennessy, I Ivanovski, C B Ó Súilleabháin
INTRODUCTION: Trichotillomania and trichotillophagia can result in huge intraluminal coagulations of hair. Rarely, these can present with gastric perforation. This work has been reported in line with the SCARE criteria (Agha et al., 2016) [1]. PRESENTATION OF CASE: We report the case of a 15 year old girl who attended the emergency department with abdominal pain and vomiting. Ultrasound abdomen and pelvis identified free fluid within the pelvis concerning for inflammatory bowel disease...
February 10, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29437914/gastrointestinal-ultrasound-in-inflammatory-bowel-disease-an-underused-resource-with-potential-paradigm-changing-application
#3
REVIEW
Robert Venning Bryant, Antony Friedman, Emily Kate Wright, Kirstin Taylor, Jakob Begun, Giovanni Maconi, Christian Maaser, Kerri L Novak, Torsten Kucharzik, Nathan S S Atkinson, Anil Asthana, Peter R Gibson
Evolution of treatment targets in IBD has increased the need for objective monitoring of disease activity to guide therapeutic strategy. Although mucosal healing is the current target of therapy in IBD, endoscopy is invasive, expensive and unappealing to patients. GI ultrasound (GIUS) represents a non-invasive modality to assess disease activity in IBD. It is accurate, cost-effective and reproducible. GIUS can be performed at the point of care without specific patient preparation so as to facilitate clinical decision-making...
February 3, 2018: Gut
https://www.readbyqxmd.com/read/29400377/the-added-value-of-contemporary-ultrasound-technologies-in-the-diagnosis-of-malignant-tumours-of-the-gastrointestinal-system-a-case-report
#4
Johannes Rübenthaler, Maximilian Reiser, Dirk-André Clevert
Ultrasound of the gastrointestinal system has become more popular among clinicians and is an important tool for evaluation and follow-up. Ultrasound has a special value in patients with Crohn's disease for the evaluation of disease activity but also for the evaluation of abdominal complications and shows comparable results to other imaging modalities. With the introduction of elastography and contrast-enhanced ultrasound into clinical routine, THE sonographic evaluation of the small bowel is even more sophisticated and even more precise...
February 4, 2018: Medical Ultrasonography
https://www.readbyqxmd.com/read/29367619/non-alcoholic-fatty-liver-disease-phenotypes-in-patients-with-inflammatory-bowel-disease
#5
Alessandro Sartini, Stefano Gitto, Marcello Bianchini, Maria Chiara Verga, Maria Di Girolamo, Angela Bertani, Mariagrazia Del Buono, Filippo Schepis, Barbara Lei, Nicola De Maria, Erica Villa
Non-alcoholic fatty liver disease (NAFLD) can be detected in up to 33.6% of inflammatory bowel disease (IBD) patients, often in absence of metabolic risk factors. Nevertheless, most of previous studies on such issue were conducted within the IBD population only. The primary aim of this study was to compare clinical and metabolic features of NAFLD in patients with and without IBD (w/o IBD) and to identify specific NAFLD phenotypes within the IBD population. Among 223 NAFLD patients, 78 patients with IBD were younger compared to 145 without (w/o) IBD, were less likely to have altered liver enzymes, had lower mean body weight, smaller waist circumference and lower body mass index (BMI); at the same time, MetS was more prevalent among patients w/o IBD (56...
January 24, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29357049/multiple-small-bowel-perforations-due-to-invasive-aspergillosis-in-a-patient-with-acute-myeloid-leukemia-case-report-and-a-systematic-review-of-the-literature
#6
REVIEW
Gregorio Di Franco, Enrico Tagliaferri, Erica Pieroni, Edoardo Benedetti, Simone Guadagni, Matteo Palmeri, Niccolò Furbetta, Daniela Campani, Giulio Di Candio, Mario Petrini, Franco Mosca, Luca Morelli
PURPOSE: Invasive aspergillosis (IA) represents a major cause of morbidity and mortality in immunocompromised patients. Involvement of the gastrointestinal tract by Aspergillus is mostly reported as part of a disseminated infection from a primary pulmonary site and only rarely as an isolated organ infection. METHODS: We report a case of small bowel perforation due to IA in a patient with acute leukemia under chemotherapy and pulmonary aspergillosis. We performed a systematic review of the literature as well...
January 22, 2018: Infection
https://www.readbyqxmd.com/read/29345146/quantitative-contrast-enhanced-ultrasound-for-monitoring-vedolizumab-therapy-in-inflammatory-bowel-disease-patients-a-pilot-study
#7
Ruediger S Goertz, Daniel Klett, Dane Wildner, Raja Atreya, Markus F Neurath, Deike Strobel
Background Microvascularization of the bowel wall can be visualized and quantified non-invasively by software-assisted analysis of derived time-intensity curves. Purpose To perform software-based quantification of bowel wall perfusion using quantitative contrast-enhanced ultrasound (CEUS) according to clinical response in patients with inflammatory bowel disease treated with vedolizumab. Material and Methods In a prospective study, in 18 out of 34 patients, high-frequency ultrasound of bowel wall thickness using color Doppler flow combined with CEUS was performed at baseline and after 14 weeks of treatment with vedolizumab...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29331357/differentiation-of-inflammatory-from-fibrotic-ileal-strictures-among-patients-with-crohn-s-disease-based-on-visual-analysis-feasibility-study-combining-conventional-b-mode-ultrasound-contrast-enhanced-ultrasound-and-strain-elastography
#8
Emilio Quaia, Antonio Giulio Gennari, Maria Assunta Cova, Edwin J R van Beek
The aim of this pilot study was to assess prospectively the feasibility of conventional B-mode ultrasound (US) and contrast-enhanced ultrasound (CEUS) combined with real-time strain elastography (SE) in the differentiation of inflammatory from fibrotic ileal strictures among patients with Crohn's disease (CD) based on visual analysis. Twenty non-consecutive patients (15 male and 5 female; mean age ± standard deviation, 40.2 ± 10.22 y) with CD and stricture of the terminal ileal loop were scanned by conventional B-mode US and CEUS and, subsequently, by real-time SE...
January 10, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29321104/neurectomy-for-anterior-cutaneous-nerve-entrapment-syndrome-in-children
#9
Lindsey B Armstrong, Pradeep Dinakar, David P Mooney
INTRODUCTION: Anterior cutaneous nerve entrapment syndrome (ACNES) is an underrecognized etiology of chronic abdominal pain that causes great morbidity to those affected. We sought to determine the outcome of neurectomy for ACNES in children. METHODS: Demographic and clinical data on children who underwent neurectomy for ACNES by a single surgeon from 10/2011 to 01/2017 were reviewed. RESULTS: Twenty-six patients underwent neurectomy for ACNES...
December 8, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29260286/bowel-ultrasound-for-predicting-surgical-management-of-necrotizing-enterocolitis-a-systematic-review-and-meta-analysis
#10
Alain C Cuna, Nidhi Reddy, Amie L Robinson, Sherwin S Chan
BACKGROUND: Necrotizing enterocolitis (NEC) is a devastating inflammatory disease of the intestinal tract that represents a significant source of morbidity and mortality in preterm infants. Imaging of the abdomen is valuable for timely diagnosis and close monitoring of disease progression in NEC. Bowel ultrasound (US) is increasingly being recognized as an important imaging tool for evaluating NEC that provides additional detail than plain abdominal radiographs. OBJECTIVE: To identify bowel US findings associated with surgical management or death in infants with NEC...
December 19, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29260278/role-of-contrast-enhanced-ultrasound-in-evaluation-of-the-bowel
#11
Alexandra Medellin, Christina Merrill, Stephanie R Wilson
Contrast-enhanced ultrasound (CEUS) of the gastrointestinal tract provides vascular information helpful for characterizing masses and other pathologies in and around the bowel, similar to contrast applications in other solid organs. However, the use of microbubble contrast agents for the bowel provides additional unique contributions as it gives both subjective and objective information about mural and mesenteric blood flow, invaluable for the determination of disease activity in those many patients affected by inflammatory bowel disease (IBD)...
December 19, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29206754/abdominal-ultrasound-does-not-reveal-significant-alterations-in-patients-with-nonceliac-wheat-sensitivity
#12
Maurizio Soresi, Pasquale Mansueto, Antonino Terranova, Alberto D'Alcamo, Francesco La Blasca, Francesca Cavataio, Rosario Iacobucci, Antonio Carroccio
GOALS: The goal of this study was (A) to evaluate abdominal ultrasound signs in nonceliac wheat sensitivity (NCWS) patients for features useful in diagnosis and (B) to compare these aspects with those of celiac patients to assess whether ultrasound can be useful in the differential diagnosis between NCWS and celiac disease (CD). BACKGROUND: NCWS diagnosis is difficult as no biomarkers of this condition have as yet been identified. In CD ultrasound aspects have been identified that have a good diagnostic accuracy...
December 4, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29195757/bowel-sonoelastography-in-patients-with-crohn-s-disease-a-systematic-review
#13
REVIEW
Lorenzo Carlo Pescatori, Giovanni Mauri, Edoardo Savarino, Luca Pastorelli, Maurizio Vecchi, Luca Maria Sconfienza
Sonoelastography is an ultrasound-based method for evaluating the biological properties of a target tissue. It is commonly used in the diagnosis of liver and thyroid disease, but recently its use for monitoring the characteristics of bowel wall in patients affected by Crohn's disease (CD) has been proposed. Our aim was a systematic review of the use of sonoelastography in patients with CD. An initial database search retrieved 32 possible articles. On initial screening, 7 articles, concerning a total of 129 patients and 154 lesions of the small and large bowel, were finally included in the review...
November 28, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29170798/anatomical-road-mapping-using-ct-and-mr-enterography-for-ultrasound-molecular-imaging-of-small-bowel-inflammation-in-swine
#14
Huaijun Wang, Stephen A Felt, Ismayil Guracar, Valentina Taviani, Jianhua Zhou, Rosa Maria Silveira Sigrist, Huiping Zhang, Joy Liau, José G Vilches-Moure, Lu Tian, Yamil Saenz, Thierry Bettinger, Brian A Hargreaves, Amelie M Lutz, Jürgen K Willmann
OBJECTIVES: To evaluate the feasibility and time saving of fusing CT and MR enterography with ultrasound for ultrasound molecular imaging (USMI) of inflammation in an acute small bowel inflammation of swine. METHODS: Nine swine with ileitis were scanned with either CT (n = 3) or MR (n = 6) enterography. Imaging times to load CT/MR images onto a clinical ultrasound machine, fuse them to ultrasound with an anatomical landmark-based approach, and identify ileitis were compared to the imaging times without anatomical road mapping...
November 23, 2017: European Radiology
https://www.readbyqxmd.com/read/29139310/pudendal-nerve-injury-impairs-anorectal-function-and-health-related-quality-of-life-measures-%C3%A2-2-years-after-3d-conformal-radiotherapy-for-prostate-cancer
#15
Eng Eric Yeoh, Rochelle Botten, Addolorata Di Matteo, Marcus Tippett, Jonathon Hutton, Robert Fraser, Phillip G Dinning, David Wattchow
PURPOSE: To compare GI symptoms, measures of generic and disease specific health related quality of life (HRQoL), anorectal and pudendal nerve function and anal sphincter morphology between (i) patients ≥2 years after 3D conformal radiotherapy (3D-CRT)±high dose rate (HDR) brachytherapy for carcinoma of the prostate and aged matched patients before radiotherapy and (ii) symptomatic and asymptomatic patients ≥2 years after 3D-CRT ± HDR brachytherapy. MATERIAL AND METHODS: Methodology included: (i) modified LENT-SOMA scales for GI symptoms, (ii) EORTC QLQ-C30 and EORTC QLQ-PR25 questionnaires for generic and disease specific HRQoL, (iii) anorectal manometry and terminal motor latency for anorectal and pudendal nerve function and (iv) endorectal ultrasound for anal sphincter morphology...
November 15, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29126753/usefulness-of-contrast-enhanced-ultrasound-in-differentiating-inflammatory-bowel-disease-from-colon-cancer
#16
Fan Zhang, Li-Ying Miao, Hui-Yu Ge, Shi Tan, Zhi-Qiang Li, Bo Zhao
To evaluate the diagnostic performance of contrast-enhanced ultrasound (CEUS) in differential diagnosis of inflammatory bowel disease (IBD) and colon cancer, we enrolled 51 patients with thickened bowel walls (13 with IBD and 38 with colon cancer). Ultrasound and CEUS were performed and both qualitative and quantitative features were analyzed. The intestinal wall stratification was preserved in 63.6% of the IBD group but in only 2.6% of the colon cancer group (p <0.01). On CEUS, disordered enhancement and heterogeneous enhancement were shown in only 9...
November 7, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29107397/traumatic-injury-to-the-portal-vein-with-shock-bowel
#17
Nicholas C Cleveland, Don N Nguyen, Cassie D Tran, Rishi K Maheshwary, Matthew S Hartman
A portal vein aneurysm is the dilatation of the portal vein due to a defect in the vein wall. This rare disease manifestation is difficult to predict and has the potential for severe complications. We describe the case of a 68-year-old man involved in a motor vehicle collision who presented with abdominal hemorrhage found on ultrasound, hypotension, and vague abdominal pain. The patient underwent an exploratory laparotomy to control bleeding. Surgery and a subsequent abdominal computed tomography revealed the presence of a portal vein pseudoaneurysm and shock bowel...
October 3, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/29097866/how-to-perform-gastrointestinal-ultrasound-anatomy-and-normal-findings
#18
REVIEW
Nathan S S Atkinson, Robert V Bryant, Yi Dong, Christian Maaser, Torsten Kucharzik, Giovanni Maconi, Anil K Asthana, Michael Blaivas, Adrian Goudie, Odd Helge Gilja, Dieter Nuernberg, Dagmar Schreiber-Dietrich, Christoph F Dietrich
Gastrointestinal ultrasound is a practical, safe, cheap and reproducible diagnostic tool in inflammatory bowel disease gaining global prominence amongst clinicians. Understanding the embryological processes of the intestinal tract assists in the interpretation of abnormal sonographic findings. In general terms, the examination principally comprises interrogation of the colon, mesentery and small intestine using both low-frequency and high-frequency probes. Interpretation of findings on GIUS includes assessment of bowel wall thickness, symmetry of this thickness, evidence of transmural changes, assessment of vascularity using Doppler imaging and assessment of other specific features including lymph nodes, mesentery and luminal motility...
October 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29075256/imaging-of-mucosal-inflammation-current-technological-developments-clinical-implications-and-future-perspectives
#19
REVIEW
Maximilian J Waldner, Timo Rath, Sebastian Schürmann, Christian Bojarski, Raja Atreya
In recent years, various technological developments markedly improved imaging of mucosal inflammation in patients with inflammatory bowel diseases. Although technological developments such as high-definition-, chromo-, and autofluorescence-endoscopy led to a more precise and detailed assessment of mucosal inflammation during wide-field endoscopy, probe-based and stationary confocal laser microscopy enabled in vivo real-time microscopic imaging of mucosal surfaces within the gastrointestinal tract. Through the use of fluorochromes with specificity against a defined molecular target combined with endoscopic techniques that allow ultrastructural resolution, molecular imaging enables in vivo visualization of single molecules or receptors during endoscopy...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29051981/preoperative-optimization-of-patients-with-inflammatory-bowel-disease-undergoing-gastrointestinal-surgery-a-systematic-review
#20
REVIEW
Marie Strøm Zangenberg, Nir Horesh, Uri Kopylov, Alaa El-Hussuna
PURPOSE: Surgical management of inflammatory bowel disease (IBD) is a challenging task. The aim of preoperative optimization (PO) is to decrease the risk of complications and reduce the length of postoperative stay. The aim of this study was to review and grade the available evidence, attain clear recommendations, and point out potential future research. METHODS: Studies were identified from electronic databases (PubMed, Embase, and Cochrane Library) and scanning reference lists in relevant papers...
December 2017: International Journal of Colorectal Disease
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