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Ultrasound of bowel disease

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https://www.readbyqxmd.com/read/28434027/can-ultrasound-be-used-as-the-primary-imaging-in-children-with-suspected-crohn-disease
#1
Timothy L Tsai, Megan B Marine, Matthew R Wanner, Matthew L Cooper, Steven J Steiner, Fangqian Ouyang, S Gregory Jennings, Boaz Karmazyn
BACKGROUND: There is growing literature on the use of ultrasound (US) for evaluation of Crohn disease in adults, but few studies have been conducted on children. Several studies demonstrated high accuracy of US in the diagnosis of Crohn disease. Using US as the primary screening imaging modality for Crohn disease can reduce health care costs, the need for sedation and ionizing radiation exposure. OBJECTIVE: The aim of our study is to determine if US can be used for screening evaluation of pediatric Crohn disease...
April 22, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28426721/diagnosis-treatment-and-prognosis-of-small-bowel-volvulus-in-adults-a-monocentric-summary-of-a-rare-small-intestinal-obstruction
#2
Xiaohang Li, Jialin Zhang, Baifeng Li, Dehui Yi, Chengshuo Zhang, Ning Sun, Wu Lv, Ao Jiao
OBJECTIVES: Small bowel volvulus is a rare disease, which is also challenging to diagnose. The aims of this study were to characterize the clinical and radiological features associated with small bowel volvulus and treatment and to identify risk factors for associated small bowel necrosis. METHODS: Patients with small bowel volvulus who underwent operations from January 2001 to December 2015 at the First Affiliated Hospital of China Medical University (Shenyang, China) were reviewed...
2017: PloS One
https://www.readbyqxmd.com/read/28421251/defining-the-ultrasound-longitudinal-natural-history-of-newly-diagnosed-pediatric-small-bowel-crohn-disease-treated-with-infliximab-and-infliximab-azathioprine-combination-therapy
#3
Jonathan R Dillman, Soudabeh Fazeli Dehkordy, Ethan A Smith, Michael A DiPietro, Ramon Sanchez, Vera DeMatos-Maillard, Jeremy Adler, Bin Zhang, Andrew T Trout
BACKGROUND: Little is known about changes in the imaging appearances of the bowel and mesentery over time in either pediatric or adult patients with newly diagnosed small bowel Crohn disease treated with anti-tumor necrosis factor-alpha (anti-TNF-α) therapy. OBJECTIVE: To define how bowel ultrasound findings change over time and correlate with laboratory inflammatory markers in children who have been newly diagnosed with pediatric small bowel Crohn disease and treated with infliximab...
April 18, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28404008/surgery-versus-conservative-management-for-recurrent-and-ongoing-left-sided-diverticulitis-direct-trial-an-open-label-multicentre-randomised-controlled-trial
#4
Bryan J M van de Wall, Marguerite A W Stam, Werner A Draaisma, R Stellato, Willem A Bemelman, Marja A Boermeester, Ivo A M J Broeders, Eric J Belgers, Boudewijn R Toorenvliet, Hubert A Prins, Esther C J Consten
BACKGROUND: Patients with recurrent or persisting complaints after an episode of left-sided diverticulitis are managed with either conservative measures or elective sigmoidectomy. To date, there are no data from randomised trials. We aimed to establish which treatment leads to a better quality of life for patients with diverticulitis. METHODS: We did an open-label, multicentre, randomised controlled trial (DIRECT trial) in 24 teaching and two academic hospitals in the Netherlands...
January 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28397945/assessment-of-crohn-s-disease-activity-by-doppler-sonography
#5
Ying Na, Jian Zhou, Xiang-Min Xiao, Wen-Xing Zhang, Hong-Lei Gao, Yang Wang, Xiao-Yan Han, Zuo-Cheng Sun, Hui-Min Xu
To investigate the diagnostic accuracy of ultrasound for evaluation of inflammatory activity in patients with Crohn's disease (CD). Methods: Fifty-six patients with histologically proven CD (39 with active, 17 with inactive disease) and 30 healthy volunteers as a control group were enrolled in the study at WeiFang People's Hospital, Weifang Province, China from October 2012 to December 2014. Bowel wall thickness, and vascularity pattern were measured by Doppler ultrasound. Results: There was a significant difference in flow volume of the superior mesenteric artery (585 ± 235 ml/min) in the patients with active disease, compared with those with inactive disease (401 ± 238 ml/min) and the control group (390 ± 189 ml/min, p less than 0...
April 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28343660/a-pilot-study-of-ultrasound-elastography-as-a-non-invasive-method-to-monitor-liver-disease-in-children-with-short-bowel-syndrome
#6
Daniel Lodwick, Molly Dienhart, Jennifer N Cooper, Bonita Fung, Joseph Lopez, Sally Smith, Patrick Warren, Jane Balint, Peter C Minneci
BACKGROUND: Our objective was to evaluate the accuracy of acoustic radiation force impulse (ARFI) elastography in determining extent of liver fibrosis in pediatric patients with short bowel syndrome (SBS). METHODS: This prospective cohort study included pediatric patients with SBS who underwent ultrasound with ARFI measurements of shear wave speed (SWS) and liver biopsy within 30days of each other between 12/2014-9/2015. The mean and median SWS were compared to the stage of fibrosis...
March 16, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28317311/novel-pathogenic-variants-in-foxp3-in-fetuses-with-echogenic-bowel-and-skin-desquamation-identified-by-ultrasound
#7
Raymond J Louie, Queenie K-G Tan, Jennifer B Gilner, R Curtis Rogers, Noelle Younge, Stephanie B Wechsler, Marie T McDonald, Barbara Gordon, Christopher A Saski, Julie R Jones, Shelley J Chapman, Roger E Stevenson, John W Sleasman, Michael J Friez
Immunodysregulation, Polyendocrinopathy, Enteropathy, X-linked (IPEX) syndrome is a rare, X-linked recessive disease that affects regulatory T cells (Tregs) resulting in diarrhea, enteropathy, eczema, and insulin-dependent diabetes mellitus. IPEX syndrome is caused by pathogenic alterations in FOXP3 located at Xp11.23. FOXP3 encodes a transcription factor that interacts with several partners, including NFAT and NF-κB, and is necessary for the proper cellular differentiation of Tregs. Although variable, the vast majority of IPEX syndrome patients have onset of disease during infancy with severe enteropathy...
March 20, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28302273/there-is-good-agreement-between-mr-enterography-and-bowel-ultrasound-with-regards-to-disease-location-and-activity-in-paediatric-inflammatory-bowel-disease
#8
J L Barber, J Maclachlan, K Planche, M Furman, D Crespi, N Bab, I Beal
AIM: To investigate concordance of bowel ultrasound and magnetic resonance enterography (MRE) in identifying active disease in children with inflammatory bowel disease. MATERIALS AND METHODS: The imaging of children with inflammatory bowel disease who had undergone bowel ultrasound and MRE within 30 days were retrospectively reviewed, from January 2009 to November 2015. Ultrasound was without oral contrast medium; MRI was conducted with patients unsedated with oral contrast medium and gadolinium...
March 14, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28298939/sicus-and-ceus-imaging-in-crohn-s-disease-an-update
#9
REVIEW
Giammarco Mocci, Vincenzo Migaleddu, Francesco Cabras, Danilo Sirigu, Domenico Scanu, Giuseppe Virgilio, Manuela Marzo
Endoscopy remains the main technique in the diagnosis and treatment of Crohn's disease (CD); nevertheless, the recent development of innovative and non-invasive imaging techniques has led to a new tool in the exploration of small bowel in CD patients. This paper reviews the available data on ultrasound imaging used for the evaluation of CD, highlighting the role of small intestine contrast-enhanced ultrasonography with the use of oral and intravenous contrast agents.
March 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28243033/the-use-of-ultrasound-in-inflammatory-bowel-disease
#10
REVIEW
Torsten Kucharzik, Klaus Kannengiesser, Frauke Petersen
Imaging in inflammatory bowel disease (IBD) plays a pivotal role in the primary diagnosis, as well as during the management of patients with known IBD. The evolution of ultrasound equipment and the growing expertise of examiners have both enhanced the role of intestinal ultrasound in the assessment of the gastrointestinal tract in IBD patients. Intestinal ultrasound has been shown to have high sensitivity and specificity, as well as high positive and negative predictive value, in the detection or exclusion of intestinal inflammatory activity in IBD...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28237283/ablative-therapies-for-renal-tumors-patient-selection-treatment-planning-and-follow-up
#11
Jean-Michel Correas, Christophe Delavaud, Jules Gregory, Thomas Le Guilchet, Lionel Lamhaut, Marc-Olivier Timsit, Arnaud Méjean, Olivier Hélénon
The increased use of abdominal imaging has led to a major increase in small renal tumors incidence particularly in the elderly population. Their management is evolving with the development of percutaneous ablation, particularly radiofrequency ablation, cryoablation, and microwave ablation. The typical indications that must be validated by a multidisciplinary committee include solid tumors less than 3cm in patients with multiple comorbidity factors (including age), contraindications to surgery, hereditary renal cancer, bilateral renal tumors, solitary kidney, pre-existing chronic kidney disease, or at high risk of predialysis renal function after partial nephrectomy...
February 2017: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/28185694/role-of-bowel-ultrasound-in-the-diagnosis-and-follow-up-of-patients-with-crohn-s-disease
#12
REVIEW
Clara Benedetta Conti, Mariangela Giunta, Daniele Gridavilla, Dario Conte, Mirella Fraquelli
Crohn's disease (CD) is an inflammatory chronic bowel disorder; it can involve the whole gastrointestinal tract, but its localization in the ileum or colon is most common. The reference standard for the diagnosis of CD is ileocolonoscopy with histologic assessment. The reference standard for the detection of any complications is surgery. However, imaging techniques have an important role both in the detection/localization of CD and in the follow-up of CD patients. In the last few years, the technical development of ultrasound equipment, the advent of new technologies such as elastography and mostly the increased expertise of sonographers have boosted the role of bowel ultrasound in assessment of the gastrointestinal tract...
April 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28185689/imaging-of-acute-pelvic-pain-in-girls-ovarian-torsion-and-beyond-%C3%A2
#13
REVIEW
Lena Naffaa, Tejaswini Deshmukh, Shanthan Tumu, Chris Johnson, Kevin P Boyd, Arthur B Meyers
Identifying the etiology of acute pelvic pain in girls is often clinically challenging. Particularly in young girls, it is often difficult to determine if acute pelvic symptoms are originating from a gynecologic source or from a genitourinary or gastrointestinal etiology based on the child's clinical examination alone. Therefore, imaging plays a key role in establishing a diagnosis and in directing medical and surgical treatment. Pediatric gynecologic conditions, which can present acutely with pain or mass or both include ovarian torsion, hematometrocolpos, pelvic inflammatory disease, inguinal hernias containing an ovary or the uterus or both, adnexal cysts, pregnancy, vaginal foreign bodies, and ovarian vein thrombosis...
December 21, 2016: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28185616/tuberculous-peritonitis
#14
Urvashi Vaid, Gregory C Kane
Tuberculous peritonitis is rare in the United States but continues to be reported to occur in certain high-risk populations, which include patients with AIDS or cirrhosis, patients on continuous ambulatory peritoneal dialysis, recent immigrants from areas of high endemicity, and those who are immunosuppressed. The diagnosis of this disease requires a high clinical index of suspicion and should be considered in the differential of ascites with a lymphocyte predominance and serum-ascitic albumin gradient of <1...
January 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28175021/p171-reliable-assessment-of-ultrasound-parameters-during-transabdominal-ultrasonography-in-inflammatory-bowel-disease
#15
M Bittl, F Petersen, C Maaser, S Rath, A Roessler, I Fischer, D Bettenworth, T Kucharzik
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28172526/p160-diagnostic-yield-of-capsule-endoscopy-versus-magnetic-resonance-enterography-and-small-bowel-contrast-ultrasound-for-evaluation-of-small-bowel-crohn-s-disease-a-systematic-review-and-meta-analysis
#16
U Kopylov, D Young, T Engel, S Vijayan, O Har-Noy, L Katz, T Avni, R Eliakim, S Ben-Horin, A Koulaouzidis
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28168986/gastric-emptying-is-reduced-in-experimental-nec-and-correlates-with-the-severity-of-intestinal-damage
#17
Yuhki Koike, Bo Li, Carol Lee, Shigang Cheng, Hiromu Miyake, Christopher Welsh, Alison Hock, Jaques Belik, Augusto Zani, Agostino Pierro
PURPOSE: The aim of this study is to assess gastric emptying in experimental necrotizing enterocolitis (NEC) and its diagnostic significance using non-invasive ultrasound imaging. METHODS: Fourteen neonatal mice (C57BL/6) were randomized into two groups: NEC [n=10] and control [n=4]. NEC was induced by gavage feeding of hyperosmolar formula, hypoxia, and lipopolysaccharide between postnatal day 5 (P5) and 9 (P9). Stomach volume was measured using a 40-MHz ultrasound transducer on P5 and P9...
January 29, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28147365/measurement-of-fibrosis-in-crohn-s-disease-strictures-with-imaging-and-blood-biomarkers-to-inform-clinical-decisions
#18
REVIEW
Peter D R Higgins
BACKGROUND: Distinguishing fibrosis from inflammation in an intestinal stricture in Crohn's disease is quite difficult. The absence of signs of inflammation on CT or MRI does not prove the absence of inflammation, as most strictures have a mix of fibrosis and inflammation. Identifying refractory fibrosis and distinguishing the patients who will respond to anti-inflammatory therapy from those who will require surgery are important clinical requirements, and several new technologies in imaging and serum biomarkers are being applied to this problem...
2017: Digestive Diseases
https://www.readbyqxmd.com/read/28129289/ultrasound-shear-wave-elastography-and-contrast-enhancement-effective-biomarkers-in-crohn-s-disease-strictures
#19
Cathy Lu, Xianyong Gui, Wenqian Chen, Tak Fung, Kerri Novak, Stephanie R Wilson
BACKGROUND: Inflammation, fibrosis, and muscular hypertrophy lead to thickened bowel in Crohn's disease forming strictures. Ultrasound shear wave elastography (SWE) measures bowel wall stiffness. Contrast-enhanced ultrasound (CEUS) uniquely detects bowel wall inflammation. We aim to correlate SWE of ileal Crohn's disease in vivo to CEUS peak enhancement and pathology grades of inflammation, fibrosis, and muscular hypertrophy. METHODS: In a prospective institutional review board-approved study, 105 consecutive ileal patients with Crohn's disease received ultrasound...
January 26, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28089690/mri-evaluation-of-rectal-cancer-staging-and-restaging
#20
REVIEW
Courtney C Moreno, Patrick S Sullivan, Pardeep K Mittal
Magnetic resonance imaging (MRI) plays an important role in the staging and restaging of rectal cancer. Multiplanar high-resolution (≤3-mm section thickness) T2-weighted images are the primary sequences used for rectal cancer staging. No preprocedural bowel cleansing regimen, intravenous contrast material, nor endorectal coil is necessary. MRI is highly accurate for differentiating T1-T2 disease from T3 and T4 disease, an important distinction as patients with T3 and T4 tumors typically undergo preoperative neoadjuvant chemoradiation before resection...
May 2017: Current Problems in Diagnostic Radiology
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