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| 1 | Magnetic resonance imaging:Is there a role in clinical management for acute ischemic colitis?显示文摘AIM:To validate the utility of magnetic resonance imaging(MRI) for the clinical management of acute ischemic colitis(IC).METHODS:This is a magnetic resonance(MR) prospective evaluation of 7 patients who were proved to have acute IC on the basis of clinical,endoscopic and computed tomography(CT) findings and who were imaged in our institution between February 2011 and July 2012.The mean age of the patients was 72.28 years.Abdominal CTs were obtained using a 64-detector row configuration for all patients with un-enhanced and contrast-enhanced scans,in the late arterial phase(start delay 45-50 s) and in the portal venous phase(start delay 70-80 s).The MR examinations were performed using a 1.5T superconducting magnet,using Fast Imaging Employing Steady State Acquisition and T2-weighted fast-recovery fast-spin echo sequences in axial and coronal plane.CT and MRI examinations were analysed for the presence of colonic abnormalities and associated findings.RESULTS:Segmental involvement was seen in 6 patients(85.71%),with a mean length of involvement of 412 mm(range 145.5-1000 mm).Wall thickness varied between 6 mm and 17.5 mm(mean 10.52 mm) upon CT examinations and from 5 to 15 mm(mean 8.8 mm) upon MR examinations.The MRI appearance of the colonic wall varied over the time:TypeⅠappearance with a 3 layer sandwich sign was seen in 5 out of 12 examinations(41.66%),patients underwent MR within a mean of 36 h(ranging from 1 to 54 h) after the CT examination.Type Ⅱ and Ⅲ appearance with a 2 layer sign,was seen in 4 examinations(33.33%),patients underwent MR within a mean of 420.5 h(ranging from 121 to 720 h) after the CT examination.In the remaining three MRI examinations,performed within a mean of 410 h(ranging from 99.5 to 720 h) the colonic wall appeared normal.CONCLUSION:MRI,only using precontrast images,may be used as a substitute for invasive procedures in diagnosis and follow-up of acute IC. | Maria Antonietta Mazzei Susanna Guerrini Nevada Cioffi Squitieri Giusi Imbriaco Raffaele Chieca Serenella Civitelli Vinno Savelli Francesco Giuseppe Mazzei Luca Volterrani | 2013 | World Journal of Gastroenterology2013，19，8： | 5 |
| 2 | Imaging of the small bowel:Crohn's disease in paediatric patients显示文摘In more than 20% of all patients, the Crohn's diseasepresents before the age of 18 years. The diagnosisand management of Crohn's disease in children haschanged dramatically over the last decade, mainly dueto increased awareness, availability of newer diagnosticmodalities such as magnetic resonance imaging(MRI)and newer, more powerful treatments such as biolog-ics. Imaging of the small bowel is needed for diagno-sis, management, follow-up and also evaluation of thedisease in terms of location, extent, activity and com-plications. We review all the methods(barium exami-nations, ultrasonography, computed tomography, MR,and computed tomography- positron emission tomog-raphy) commonly used for imaging the small bowel inpaediatric patients with Crohn's disease analyzing theadvantages and disadvantages of each modality, withparticular emphasis on MR imaging. | Emanuele Casciani Chiara De Vincentiis Elisabetta Polettini Gabriele Masselli Giovanni Di Nardo Fortunata Civitelli Salvatore Cucchiara Gian Franco Gualdi | 2014 | World Journal of Radiology2014，6，6： | 2 |
| 3 | Small Intestine Contrast Ultrasonography in Pediatric Crohn’s Disease显示文摘 | Nadia Pallotta Fortunata Civitelli Giovanni Di Nardo Giuseppina Vincoli Marina Aloi Franca Viola Paolo Capocaccia Enrico Corazziari Salvatore Cucchiara | 2013 | The Journal of Pediatrics2013，，： | 2 |
| 4 | Effects of dietary calcium compared with calcium sup-plements on estrogen metabolism and bone mineraldensity 显示文摘 | NAPOLI N THOMPSON J CIVITELLI R | 2007 | American Journal of Clinical Nutrition2007，85，5： | 1 |
| 5 | Molecular studies of identification of genes for osteoporosis: the 2002 update显示文摘 | Stains JP Civitelli R | 2003 | J Endocrinol2003，177，2： | 1 |
| 6 | Cell-to-cell interactions in bone 显示文摘 | Stains J P Civitelli R | 2005 | Bioehem Biophys Res Commun2005，328，： | 1 |
| 7 | Safety considerations with bisphosphonates for the treatment of osteoporosis显示文摘 | Strampel W Emkey R Civitelli R | 2007 | Drug Saf2007，30，9： | 1 |
| 8 | Alveolar and postcranial bone density in postmenopausal women receiving hormone/estrogen replacement therapy: a randomized, double-blind, placebo-controlled trial 显示文摘 | Civitelli R Pilgram TK Doston M | 2002 | Arch Intern Med2002，162，12： | 1 |
| 9 | Gap junctions in skeletal development and function显示文摘 | Stains JP Civitelli R | 2005 | Biochim Biophys Acta2005，1719，12： | 1 |
| 10 | ATP- and gap junc- tion-dependent intercellular calcium signaling in osteoblastic cells 显示文摘 | Jorgensen NR Geist ST Civitelli R | 1997 | J Cell Biol1997，159，2： | 1 |
| 11 | Cell-to-cell interactions in bone显示文摘 | Stains JP Civitelli R | 2005 | Biochem BiophysRes Commun2005，328，： | 1 |
| 12 | Gap junction in skeletal development and function显示文摘 | Stains JP Civitelli R | 2005 | Biochim Biophys Acta2005，1719，： | 1 |
| 13 | Alveolar and postcranial bone densith in postmenopausal women receibing hormone/estrogen replacement therapy :A randomized doubleblind placebocontrolled trial显示文摘 | Civitelli R Pilgram TK DotsonM | 2002 | Arch Intern Med2002，162，12： | 1 |
| 14 | Cell-cell communication in the osteobalst/osteocyte lineage显示文摘 | Civitelli R | 2008 | Arch Blochem Biophys2008，473，： | 1 |
| 15 | Dietary L-lysine and calcium metabolism in humans显示文摘 | | 1992 | Nutrition1992，8，6： | 1 |
| 16 | Epidemiology, genes and in- flammatory bowel diseases in childhood 显示文摘 | De Mesquita MB Civitelli F Levine A | 2008 | Dig Liver Dis2008，40，1： | 1 |
| 17 | Connexin43 modulation of osteoblast/osteocyte apoptosis: a potential therapeutic target? 显示文摘 | Civitelli R | 2008 | J Bone Miner Res2008，23，11： | 1 |
| 18 | The dopamine D2 receptor gene is a susceptibility locus for Parkinsons disease显示文摘 | Oliveri R L Annesi G Zappia M Civitelli D De Marco E V Pasqua A A | 2000 | Mov Disord2000，15，12： | 1 |
| 19 | Heterogeneous intracellular free calcium response to parathyroid hormone correlate with morphology and receptor distribution in osteogenic sarcoma cells显示文摘 | Civitelli R Fujimori A Bernier SM | 1992 | Endocrinology1992，130，： | 1 |
| 20 | Alveolar and postcranial bone density in post menopausal women receiving hormone estrogen replacement therapy:a randomized, double - blind, placebo - controlled trial 显示文摘 | Civitelli R Pilgram TK Doston M | 2002 | Arch Intern Med2002，162，12： | 1 |
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