Further Reading

Total Page:16

File Type:pdf, Size:1020Kb

Further Reading Chapter 15 - The Gastrointestinal Tract ■ Review Journals 1 Gore RM (ed). Gastrointestinal cancer: radiologic diagnosis and staging. Radiol Clin North Am 1997; 35(2) 2 Johnson CD (ed). CT colonography. Abdom Imaging 2002; 27 (3) 3 Pavone P (ed). Virtual colonoscopy. Semin Ultrasound CT MR 2001; 22 (5) 4 Raymond HW (ed). CT of the bowel. Semin Ultrasound CT MR 1995; 16 (2) 5 Reiser M (ed). Inflammatory bowel diseases [German]. Der Radiologe 1998; 38 (1) ■ Anatomy 6 Benjaminov O, Atri M, Hamilton P, et al. Frequency of visualization and thickness of normal appendix at nonenhanced helical CT. Radiology 2002; 225: 400-406 7 Chou CK, Mak CW, Hou CC, et al. CT of the mesenteric vascular anatomy. Abdom Imaging 1997; 22: 477–482 8 Horton KM, Eng J, Fishman EK. Normal enhancement of the small bowel: evaluation with spiral CT. J Comput Assist Tomogr 2000; 24: 67–71 9 Ibukuro K, Tsukiyama T, Mori K, et al. Preaortic esophageal veins: CT appearance. AJR 1998; 170: 1535–1538 10 Llauger J, Palmer J, Pérez C, et al. The normal and pathologic ischiorectal fossa at CT and MR imaging. Radiographics 1998; 18: 61–82 11 Okino Y, Kiyosue H, Mori H, et al. Root of the small-bowel mesentery: correlative anatomy and CT features of pathologic conditions. Radiographics 2001; 21: 1475–1490 12 van Overhagen H. Sectional imaging of the gastroesophageal junction. Eur J Radiol 1996; 22: 86–94 13 Wiesner W, Mortelé KJ, Ji H, et al. Normal colonic wall thickness at CT and its relation to colonic distension. J Comput Assist Tomogr 2002; 26: 102–106 ■ Examination technique 14 Beaulieu CF, Napel S, Daniel BL, et al. Detection of colonic polyps in a phantom model: implications for virtual colonoscopy data acquisition. J Comput Assist Tomogr 1998; 22: 656-663 15 Bender GN, Maglinte DDT, Kloppel VR, et al. CT-enteroclysis: a superfluous diagnostic procedure or valuable when investigating small-bowel disease? AJR 1999; 172: 373–378 16 Bender GN, Timmons JH, Williard WC, et al. Computed tomographic enteroclysis: one methodology. Invest Radiol 1996; 31: 43–49 17 Callstrom MR, Johnson CD, Fletcher JG, et al. CT colonography without cathartic preparation: feasibility study. Radiology 2001; 219: 693–698 18 Cohnen M, Vogt C, Aurich V, et al. Multislice CT-colonography in low-dose technique - preliminary results. RöFo Fortschr Röntgenstr 2002; 174: 835-838 19 van Gelder RE, Venema HW, Serlie IWO, et al. CT colonography at different radiation dose levels: feasibility of dose reduction. Radiology 2002; 224: 25-33 20 Gossios K, Tsianos E, Prassopoulos P, et al. Usefulness of the non-distension of the stomach in the evaluation of perigastric invasion in advanced gastric cancer by CT. Eur J Radiol 1998; 29: 61-70 21 Hopper KD, Iyriboz TA, Wise SW, et al. CT colography and gastrography: optimization of imaging parameters. RSNA-EJ 1997; vol 2: 0042–97 22 Kircher MF, Kihiczak D, Rhea JT, et al. Safety of colon contrast material in (helical) CT examination of patients with suspected diverticulitis. Emergency Radiol 2001; 8: 94–98 23 Kösling S, Steingrüber K, Heywang-Köbrunner SH, et al. Spiral CT of the stomach in hypotonia. Eur Radiol 1995; 5: 255–258 24 Kulinna C, Scheidler J, Eibel R, et al. Diagnostic value of different rectal contrast media in the detection of colorectal diseases by multi-slice CT [German]. RöFo Fortschr Röntgenstr 2001; 173: 749–755 25 Laghi A, Iannaccone R, Mangiapane F, et al. Experimental colonic phantom for the evaluation of the optimal scanning technique for CT colonography using a multidetector spiral CT equipment. Eur Radiol 2003; 13: in press 26 Luboldt W, Mann C, Tryon CL, et al. Computer-aided diagnosis in contrast-enhanced CT colonography: an approach based on contrast. Eur Radiol 2002; 12: 2236-2241 27 Matsuoka Y, Masumoto T, Koga H, et al. Positive and negative oral contrast agents for combined abdominal and pelvic helical CT: first iodinated agent and second water. Radiat Med 2000; 18: 213– 216 28 Morrin MM, Farrell RJ, Keogan MT, et al. CT colonography: colonic distention improved by dual positioning but not intravenous glucagon. Eur Radiol 2002; 12: 525–530 29 Noda Y, Ogawa Y, Nishioka A, et al. New barium paste mixture for helical (slip-ring) CT evaluation of the esophagus. J Comput Assist Tomogr 1996; 20: 773–776 30 Ogawa Y, Noda Y, Nishioka A, et al. New barium paste mixture for helical (slip-ring) CT evaluation of rectal carcinoma. J Comput Assist Tomogr 1997; 21: 398–401 31 Pederson BG, Christiansen TEM , Mortensen FV, et al. Bowel cleansing methods prior to CT colonography. Acta Radiol 2002; 43: 306-311 32 Power NP, Pryor MD, Martin A, et al. Optimization of scanning parameters for CT colonography. Br J Radiol 2002; 75: 401-408 33 Ramsay DW, Markham DH, Morgan B, et al. The use of dilute Calogen as a fat density oral contrast medium in upper abdominal computed tomography, compared with the use of water and positive oral contrast media. Clin Radiol 2001; 56: 670–673 34 Rao PM. Technical and interpretative pitfalls of appendiceal CT imaging. AJR 1998; 171: 419–425 35 Rao PM, Rhea JT, Novelline RA, et al. Helical CT combined with contrast material administered only through the colon for imaging of suspected appendicitis. AJR 1997; 169: 1275–1280 36 Rao PM, Rhea JT, Novelline RA, et al. Helical CT with only colonic contrast material for diagnosing diverticulitis: prospective evaluation. AJR 1998; 170: 1445–1449 37 Reittner P, Goritschnig T, Petritsch W, et al. Multiplanar spiral CT enterography in patients with Crohn's disease using a negative oral contrast material: initial results of a noninvasive imaging approach. Eur Radiol 2002; 12: 2253-2257 38 Rhim H, Bae OK, Lee TH, et al. Postadministration of oral contrast material for abdominal CT in patients with gastrectomy: modified drip ingestion method. Abdom Imaging 1999; 24: 223–225 39 Rhim H, Kang HK, Kim YS, et al. Per-rectal contrast material for abdominal CT: usefulness of administration with an automatic injector. Abdom Imaging 2001; 26: 591–593 40 Rubin GD, Beaulieu CF, Argiro V, et al. Perspective volume rendering of CT and MR images: applications for endoscopic imaging. Radiology 1996; 199: 321–330 41 Whiting BR, McFarland EG, Brink JA. Influence of image acquisition parameters on CT artifacts and polyp depiction in spiral CT colonography: in vitro evaluation. Radiology 2000; 217: 165–172 42 Winter III TC, Ager JD, Nghiem HV, et al. Upper gastrointestinal tract and abdomen: water as an orally administered contrast agent for helical CT. Radiology 1996; 201: 365–370 43 Yee J, Hung RK, Akerkar GA, et al. The usefulness of glucagon hydrochloride for colonic distension in CT colonography. AJR 1999; 173: 169–172 ■ Esophagus Benign and Malignant Tumors 44 Dumbleton SA, Warshauer DM, Koruda MJ, et al. Haemangioma of the oesophagus: CT demonstration. Australas Radiol 1997; 41: 65–66 45 Griffith JF, Chan ACW, Chow LTC, et al. Assessing chemotherapy response of squamous cell oesophageal carcinoma with spiral CT. Br J Radiol 1999; 72: 678–684 46 Griffith JF, Kew J, Chan AC, et al. 3D CT imaging of oesophageal carcinoma. Eur J Radiol 1999; 32: 216–220 47 Helmberger H, Baum U, Dittler HJ, et al. Adenocarcinoma of the gastro-esophageal junction: CT for monitoring during neoadjuvant chemotherapy. Eur J Radiol 1996; 23: 107–110 48 Holden A, Mendelson R, Edmunds S. Pre-operative staging of gastro-esophageal junction carcinoma: comparison of endoscopic ultrasound and computed tomography. Australas Radiol 1996; 40: 206–212 49 Leung SF, Griffith JF, Ahuja A, et al. Influence of staging thoracic computed tomography on radiation therapy planning for esophageal carcinoma. J Thorac Imaging 2002; 17: 145-150 50 Levine MS, Buck J, Pantongrag-Brown L, et al. Esophageal leiomyomatosis. Radiology 1996; 199: 533–536 51 Liang EY, Chan A, Chung SCS, et al. Esophageal tumour volume measurement using spiral CT. Br J Radiol 1996; 69: 344–347 52 Meltzer CC, Luketich JD, Friedman D, et al. Whole-body FDG positron emission tomographic imaging for staging esophageal cancer: comparison with computed tomography. Clin Nucl Med 2000; 25: 882–887 53 Noh HM, Fishman EK, Forastiere AA, et al. CT of the esophagus: spectrum of disease with emphasis on esophageal carcinoma. Radiographics 1995; 15: 1113–1134 54 Oguzkurt L, Karabulut N, Çakmakci E, et al. Primary Non-Hodgkin’s lymphoma of the esophagus. Abdom Imaging 1997; 22: 8–10 55 Rankin SC, Taylor H, Cook GJ, et al. Computed tomography and positron emission tomography in the pre-operative staging of oesophageal carcinoma. Clin Radiol 1998; 53: 659–665 56 Sans N, Galy-Fourcade D, Bloom E, et al. Imaging of diffuse esophageal leiomyomatosis: case reports and review of the literature. Eur Radiol 2000; 10: 134–138 57 van den Hoed RD, Feldberg MAM, van Leeuwen MS, et al. CT prediction of irresectability in esophageal carcinoma: value of additional patient positions and relation to patient outcome. Abdom Imaging 1997; 22: 132–137 Other Esophageal Diseases 58 Berkovich GY, Levine MS, Miller Jr. WT. CT findings in patients with esophagitis. AJR 2000; 175: 1431–1434 59 Carter M, Deckmann RC, Smith RC, et al. Differentiation of achalasia from pseudoachalasia by computed tomography. Am J Gastroenterol 1997; 92: 624–628 60 Cho KC, Patel YD, Wachsberg RH, et al. Varices in portal hypertension: evaluation with CT. Radiographics 1995; 15: 609–622 61 Fitch SJ, Tonkin IL, Tonkin AK. Imaging of foregut duplication cysts. Radiographics 1986; 6: 189– 201 62 Fitoz S, Atasoy C, Yagmurlu A, et al. Three-dimensional CT of congenital esophageal atresia and distal tracheoesophageal fistula in neonates: preliminary results. AJR 2000; 175: 1403–1407 63 Giménez A, Franquet T, Erasmus JJ, et al.
Recommended publications
  • Focal Spot, Spring 2006
    Washington University School of Medicine Digital Commons@Becker Focal Spot Archives Focal Spot Spring 2006 Focal Spot, Spring 2006 Follow this and additional works at: http://digitalcommons.wustl.edu/focal_spot_archives Recommended Citation Focal Spot, Spring 2006, April 2006. Bernard Becker Medical Library Archives. Washington University School of Medicine. This Book is brought to you for free and open access by the Focal Spot at Digital Commons@Becker. It has been accepted for inclusion in Focal Spot Archives by an authorized administrator of Digital Commons@Becker. For more information, please contact [email protected]. SPRING 2006 VOLUME 37, NUMBER 1 *eiN* i*^ MALLINCKRC RADIOLO AJIVERSITY *\ irtual Colonoscopy: a Lifesaving Technology ^.IIMi.|j|IUII'jd-H..l.i.|i|.llJ.lii|.|.M.; 3 2201 20C n « ■ m "■ ■ r. -1 -1 NTENTS FOCAL SPOT SPRING 2006 VOLUME 37, NUMBER 1 MIR: 75 YEARS OF RADIOLOGY EXPERIENCE In the early 1900s, radiology was considered by most medical practitioners as nothing more than photography. In this 75th year of Mallinckrodt Institute's existence, the first of a three-part series of articles will chronicle the rapid advancement of radiol- ogy at Washington University and the emergence of MIR as a world leader in the field of radiology. THE METABOLISM OF THE DIABETIC HEART More diabetic patients die from cardiovascular disease than from any other cause. Researchers in the Institute's Cardiovascular Imaging Laboratory are finding that the heart's metabolism may be one of the primary mechanisms by which diseases such as diabetes have a detrimental effect on heart function. VIRTUAL C0L0N0SC0PY: A LIFESAVING TECHNOLOGY More than 55,000 Americans die each year from cancers of the colon and rectum.
    [Show full text]
  • Rectal Water Contrast Transvaginal Ultrasound Versus Double-Contrast Barium Enema in the Diagnosis of Bowel Endometriosis
    Open Access Research BMJ Open: first published as 10.1136/bmjopen-2017-017216 on 7 September 2017. Downloaded from Rectal water contrast transvaginal ultrasound versus double-contrast barium enema in the diagnosis of bowel endometriosis Jipeng Jiang, Ying Liu, Kun Wang, Xixiang Wu, Ying Tang To cite: Jiang J, Liu Y, Wang K, ABSTRACT Strengths and limitations of this study et al. Rectal water contrast Objectives The aim of study was to compare the transvaginal ultrasound versus accuracy between rectal water contrast transvaginal ► This is the first comparison of the accuracy between double-contrast barium enema ultrasound (RWC-TVS) and double-contrast barium enema in the diagnosis of bowel rectal water contrast transvaginal ultrasound (RWC- (DCBE) in evaluating the bowel endometriosis presence as endometriosis. BMJ Open TVS) and double-contrast barium enema (DCBE) in well as its extent. 2017;7:e017216. doi:10.1136/ the diagnosis of bowel endometriosis. Design and setting 198 patients at reproductive age with bmjopen-2017-017216 ► This study demonstrated RWC-TVS as a very reliable suspicious bowel endometriosis were included. Physicians technique to determine the bowel endometriosis ► Prepublication history for in two groups specialised at endometriosis performed presence and extent and it has similar accuracy to this paper is available online. RWC-TVS as well as DCBE before laparoscopy and both To view these files please visit that of DCBE. groups were blinded to other groups’ results. Findings the journal online (http:// dx. doi. ► We demonstrate that DCBE is related to more from RWC-TVS or DCBE were compared with histological org/ 10. 1136/ bmjopen- 2017- tolerance than RWC-TVS.
    [Show full text]
  • ACR Manual on Contrast Media
    ACR Manual On Contrast Media 2021 ACR Committee on Drugs and Contrast Media Preface 2 ACR Manual on Contrast Media 2021 ACR Committee on Drugs and Contrast Media © Copyright 2021 American College of Radiology ISBN: 978-1-55903-012-0 TABLE OF CONTENTS Topic Page 1. Preface 1 2. Version History 2 3. Introduction 4 4. Patient Selection and Preparation Strategies Before Contrast 5 Medium Administration 5. Fasting Prior to Intravascular Contrast Media Administration 14 6. Safe Injection of Contrast Media 15 7. Extravasation of Contrast Media 18 8. Allergic-Like And Physiologic Reactions to Intravascular 22 Iodinated Contrast Media 9. Contrast Media Warming 29 10. Contrast-Associated Acute Kidney Injury and Contrast 33 Induced Acute Kidney Injury in Adults 11. Metformin 45 12. Contrast Media in Children 48 13. Gastrointestinal (GI) Contrast Media in Adults: Indications and 57 Guidelines 14. ACR–ASNR Position Statement On the Use of Gadolinium 78 Contrast Agents 15. Adverse Reactions To Gadolinium-Based Contrast Media 79 16. Nephrogenic Systemic Fibrosis (NSF) 83 17. Ultrasound Contrast Media 92 18. Treatment of Contrast Reactions 95 19. Administration of Contrast Media to Pregnant or Potentially 97 Pregnant Patients 20. Administration of Contrast Media to Women Who are Breast- 101 Feeding Table 1 – Categories Of Acute Reactions 103 Table 2 – Treatment Of Acute Reactions To Contrast Media In 105 Children Table 3 – Management Of Acute Reactions To Contrast Media In 114 Adults Table 4 – Equipment For Contrast Reaction Kits In Radiology 122 Appendix A – Contrast Media Specifications 124 PREFACE This edition of the ACR Manual on Contrast Media replaces all earlier editions.
    [Show full text]
  • Procedure Codes for Physician: Radiology
    NEW YORK STATE MEDICAID PROGRAM PHYSICIAN - PROCEDURE CODES SECTION 4 - RADIOLOGY Physician – Procedure Codes, Section 4 - Radiology Table of Contents GENERAL INSTRUCTIONS ............................................................................................................ 4 GENERAL RULES AND INFORMATION ......................................................................................... 6 MMIS RADIOLOGY MODIFIERS .................................................................................................... 8 DIAGNOSTIC RADIOLOGY (DIAGNOSTIC IMAGING)................................................................. 9 HEAD AND NECK.................................................................................................................... 9 CHEST .................................................................................................................................. 10 SPINE AND PELVIS .............................................................................................................. 11 UPPER EXTREMITIES .......................................................................................................... 12 LOWER EXTREMITIES ......................................................................................................... 13 ABDOMEN ............................................................................................................................ 14 GASTROINTESTINAL TRACT ............................................................................................... 15 URINARY
    [Show full text]
  • Evidence Tables
    Evidence Tables Citation: Bipat S, van Leeuwen MS, Comans EF, Pijl ME, Bossuyt PM, Zwinderman AH, Stoker J. Colorectal liver metastases: CT, MR imaging, and PET for diagnosis. Meta-analysis (DARE structured abstract). Radiology 2005; 237:123-131 Design: systematic review and meta-analysis (search ended Jan 2004) Country: the Netherlands Aim: to perform a meta-analysis to obtain sensitivity estimates of CT, MRI, and, FDG-PET for detection of colorectal liver metastases on per-patient and per-lesion basis. Inclusion criteria • Articles reported in English, French or German languages • CT, MRI, or FDG-PET were used to identify and characterise colorectal liver metastases • Histopathological analysis (performed at surgery, biopsy, and autopsy), intra-operative observation (manual palpation or intra-operative ultrasound), and/or follow up were used as the reference standard • Sufficient data was present to calculate the true positive and false negative valuses for imaging techniques • When data or subsets of data were presented in more than one article, the article with the most details or the most recent article was selected. Exclusion criteria • If results of different imaging modalities were presented in combination and could not be differentiated for performance assessment of an individual modality. • Review articles, letters, comments, articles that did not include raw data were not selected. Population 61 articles fulfilled the inclusion criteria, 3187 patients in total. Patients with colorectal cancer Age range 12-93, age mean 61 In
    [Show full text]
  • Virtual Colonoscopy
    Virtual Colonoscopy National Digestive Diseases Information Clearinghouse Virtual colonoscopy (VC) uses x rays and • You will be asked to hold your breath computers to produce two- and three- during the scan to avoid distortion on dimensional images of the colon (large the images. intestine) from the lowest part, the rectum, • The scanning procedure is then National all the way to the lower end of the small Institute of repeated with you lying on your Diabetes and intestine and display them on a screen. Digestive stomach. and Kidney The procedure is used to diagnose colon Diseases and bowel disease, including polyps, diver- After the examination, the information ticulosis, and cancer. VC can be performed from the scanner must be processed to NATIONAL INSTITUTES with computed tomography (CT), some- create the computer picture or image of OF HEALTH times called a CAT scan, or with magnetic your colon. A radiologist evaluates the resonance imaging (MRI). results to identify any abnormalities. You may resume normal activity after the VC Procedure procedure, although your doctor may While preparations for VC vary, you will usually be asked to take laxatives or other oral agents at home the day before the pro- cedure to clear stool from your colon. You Conventional Colonoscopy may also be asked to use a suppository to In a conventional colonoscopy, the cleanse your rectum of any remaining fecal doctor inserts a colonoscope—a long, matter. flexible, lighted tube—into the patient’s VC takes place in the radiology department rectum and slowly guides it up through of a hospital or medical center.
    [Show full text]
  • Virtual Colonography
    Virtual Colonography Radiologists at the VCU Medical Center were among the first in Virginia to develop, test and adopt for routine use a more patient-friendly way to screen for colon polyps and colon cancer. The noninvasive treatment procedure known medically as - Virtual Colonography (VC) or CT Colonography (CTC) - uses computed tomography (CT) scanning to determine whether or not colon polyps are present. Because Virtual Colonography does not require the use of a colonoscope as in a conventional colonoscopy procedure, it is sometimes referred to as a “Virtual Colonoscopy”. What makes Virtual Colonography an ideal option for screening? Because the procedure is noninvasive, safe, quick (lasting only a few minutes), and does not require sedation, Virtual Colonography is an excellent screening technology, and often preferred by patients over the conventional or standard colonoscopy. There are no risks of complications such as bowel perforation or complications from sedation associated with standard colonoscopy. Patients may return to their usual activities as soon as the test is over. Virtual Colonography also allows for evaluation of the entire colon, something a standard colonoscopy may not be able to do in all cases because normal twists and turns in the large intestines make navigating the colonoscope difficult. Virtual Colonography is accurate in identifying significant polyps and offers an alternative screening option for those who are simply not willing to undergo conventional colonoscopy, which is invasive, can be uncomfortable, and requires sedation. How accurate is Virtual Colonography compared to conventional colonoscopy? Early studies show that Virtual Colonography is comparable to conventional colonoscopy in terms of identifying polyps six millimeters or greater in size.
    [Show full text]
  • Digestive Endoscopy in Five Decades
    ■ COLLEGE LECTURES Digestive endoscopy in five decades Peter B Cotton ABSTRACT – The world of gastroenterology scopy. So-called semi-flexible gastroscopes were changed forever when flexible endoscopes cumbersome and used infrequently by only a few became available in the 1960s. Diagnostic and enthusiasts. therapeutic techniques proliferated and entered the mainstream of medicine, not without some Diagnostic endoscopy controversy. Success resulted in a huge service demand, with the need to train more endo- The first truly flexible gastroscope was developed in 1 This paper is scopists and to organise large endoscopy units the USA, following pioneering work on fibre-optic 2 based on the Lilly and teams of staff. The British health service light transmission in the UK by Harold Hopkins. Lecture given at struggled with insufficient numbers of consul- However, commercial production of endoscopes was the Royal College tants, other staff and resources, and British rapidly dominated by Japanese companies, building of Physicians on endoscopy fell behind that of most other devel- on their earlier expertise with intragastric cameras. 12 April 2005 by oped countries. This situation is now being My involvement began in 1968, whilst doing bench Peter B Cotton addressed aggressively, with many local and research with Dr Brian Creamer at St Thomas’ MD FRCP FRCS, national initiatives aimed at improving access and Hospital, London. An expert in coeliac disease (and Medical Director, choice, and at promoting and documenting jejunal biopsy), he opined that gastroscopy might Digestive Disease quality. Many more consultants are needed and become useful and legitimate only if it became pos- Center, Medical some should be relieved of their internal medi- sible to take target biopsy specimens – since no one University of South Carolina, cine commitment to focus on their specialist seriously believed what endoscopists said that they Charleston, USA skills.
    [Show full text]
  • Ography C Virtual Colonoscopy for Screening
    466 Gut 2004;53:466 Gut: first published as on 11 February 2004. Downloaded from Please visit the Gut website (www.gutjnl.com) for links possible to generate three dimensional ultrasound cholangiograms. to these articles – many to full text. The authors prospectively evaluated the ability of this technique, compared with direct cholangiography (endoscopic retrograde cholangiopancreatography (ERCP)/percutaneous transhepatic cho- langiogram (PTC)) and MRCP, to detect and characterise biliary ....................................................................... obstruction in 40 patients. Experienced operators, who were blinded to the results of the other tests, evaluated images for Pseudo-pseudomembranous collagenous technical adequacy, presence and level of obstruction, and c suspected cause of any stricture. Compared with two dimensional colitis ultrasound, three dimensional analysis improved the assessment of m Yuan S, Reyes V, Bronner MP. Pseudomembranous collagenous colitis. Am J biliary anatomy in seven of 40 patients. Three dimensional Surg Pathol 2003;27:1375–9. ultrasound however visualised the peripapillary region less well Microscopic colitis has been divided into three types (Warren BF, et (80%) than MRCP (95%) and direct cholangiography (100%) but al. Histopathology 2002;40:374–6), all characterised by watery was superior at demonstrating the gall bladder and biliary tree diarrhoea and minimal mucosal changes at colonoscopy, asso- proximal to a stricture. All techniques were highly sensitive for ciated with an increase in lamina propria lymphocytes and minimal detection of biliary obstruction (100%) and each diagnosed the crypt architectural distortion. Of the three types, lymphocytic colitis likely cause in 90–95% of cases. Three dimensional ultrasound also has an increase in intraepithelial lymphocytes, collagenous detected the correct level of obstruction in 92% of cases compared colitis has a subepithelial collagen band, and microscopic colitis not with 95% for MRCP and 90% for ERCP/PTC.
    [Show full text]
  • Ultrasonography in Hepatobiliary Diseases
    Ultrasonography in Hepatobiliary diseases Pages with reference to book, From 189 To 194 Kunio Okuda ( Department of Medicine, Chiba University School of Medicine, Chiba, Japan (280). ) Introduction of real-time linear scan ultrasonography to clinical practice has revolutionalized the diagnostic approach to hepatobiiary disorders. 1 This modality allows the operator to scan the liver and biliary tract with a real-time effect, and obtain three dimensional images. One can follow vessels and ducts from one end to the other. The portal and hepatic venous systems are readily seen and distinguished. Real-time ultrasonography (US) using an electronically activated linear array transducer is becoming a stethoscope for the liver specialist, because a portable size real-time ültrasonograph is already available. It is now established that real-time US is useful not only in the diagnosis of gallstones, dilatation of the biliary tract, and cystic lesions, but it can also assess liver parenchyma in various diffuse liver diseases. Thus, a wide range of diffuse liver diseases beside localized hepatic lesions can he evaluated by US. It can also make the diagnosis of portal hypertension 2-4 In our unit, the patient with a suspected hepatobiiary disorder is examined by US on the first day of hospital visit, and the next investigation that will pOssibly provide a definitive diagnosis, such as ERCP, PTC, X-ray CT, angiography, scintigraphy, etc., is scheduled. Using a specially designed transducer, a needle can be guided while the vessel, a duct, or a structure is being aimed and entered (US-guided puncture). 5 ;7 US-guided puncture technique has improved the procedure for percutaneous transhepatic cholangiogrpahy 8, biliary decompression, percutaneous transhepatic catheterizatiøn for portography 9, and obliteration of bleeding varices.
    [Show full text]
  • Posters and Exhibits
    Posters and Exhibits List of Presiding Officers Ronald S. Arellano, MD Pamela T. Johnson, MDH Nabile M. Safdar, MD Tami J. Bang, MD Jamlik-Omari Johnson, MDH Mariano Scaglione, MD Ferco H. Berger, MD Douglas S. Katz, MD Alan E. Schlesinger, MD George S. Bisset III, MD Arvin Kheterpal, MD Aarti Sekhar, MD Matthew D. Bucknor, MD Gregory Kicska, MD, PhD Gaurang V. Shah, MD Brett W. Carter, MDH Edward Y. Kim, MD Anna Shapiro, MD Abhishek Chaturvedi, MD John Kim, MD Akash Sharma, MD Asim F. Choudhri, MD Phillip J. Koo, MDH Andrew Sher, MD Donna J. Cross, PhD Benjamin Larimer, PhD Atul B. Shinagare, MDH Cinthia Cruz, MD Karen S. Lee, MD Girish S. Shroff, MD Patricia M. de Groot, MD Seon-Kyu Lee, MD, PhD Dorothy A. Sippo, MD Zachary S. Delproposto, MD Bob Liu, PhD Clint W. Sliker, MD Jun Deng, PhD Zheng Feng Lu, PhD William C. Small, MD, PhD Vinay A. Duddalwar, MD, FRCR Martha B. Mainiero, MD Tina D. Tailor, MDH Gabriel C. Fine, MD Naganathan B. Mani, MD Ukihide Tateishi, MD, PhD Phoebe E. Freer, MD Gordon McLennan, MDH Temel Tirkes, MD David M. Gauntt, PhD Amy R. Mehollin-Ray, MD Srini Tridandapani, MD, PhDH Joseph R. Grajo, MD Martha G. Menchaca, MD, PhD Yolanda D. Tseng, MD John C. Grecula, MDH Suyash Mohan, MDH Dharshan R. Vummidi, MD, FRCR Martin L. Gunn, MBChBH Savvas Nicolaou, MDH Carolyn L. Wang, MD Richard S. Ha, MD Paul Nikolaidis, MD Antonio C. Westphalen, MDH Koichi Hayano, MD Ogonna K. Nwawka, MDH Sarah B. White, MD,MSH Pedram Heidari, MD Robert Orth, MD,PhD Geoffrey E.
    [Show full text]
  • Non-Contrast MR Portography Using Time-Spatial Labeling Inversion
    Mubarak et al. Egyptian Journal of Radiology and Nuclear Medicine (2019) 50:40 Egyptian Journal of Radiology https://doi.org/10.1186/s43055-019-0036-5 and Nuclear Medicine RESEARCH Open Access Non-contrast MR portography using time-spatial labeling inversion pulse for diagnosis of portal vein pathology Amr Ahmed Mubarak, Ghada Elsaed Awad, Mohamed Adel Eltomey* and Mahmoud Abd Elaziz Dawoud Abstract Background: To study the ability of non-contrast MR portography using time-spatial labeling inversion pulse (T-SLIP) as a non-invasive contrast-free imaging modality to delineate different portal vein pathological conditions. The study included 25 patients with known history of portal vein disease and another 25 age-matched patients with normal portal vein. Both groups were examined by respiratory-triggered non-contrast MR portography using time-spatial labeling inversion pulse technique. Image quality was assessed first, and findings of diagnostic scans were compared to color duplex ultrasonography and selectively in those with diseased portal vein to portal-phase images of dynamic contrast-enhanced MRI. Results: Significant relation was found between breathing regularity and image quality in T-SLIP sequence, with diagnostic scans sensitivity and specificity of 89.29% and 86.21%, respectively, for diagnosis of different portal vein pathological conditions. Conclusions: Non-contrast MR portography is a useful technique for diagnosis of portal vein pathology in carefully selected patients. Keywords: Portal vein, Portography, Non-contrast, Time-spatial, T-SLIP, Magnetic resonance Background nephrogenic systemic fibrosis with gadolinium chelates Accurate radiological assessment of portal vein is crucial used in contrast-enhanced MRI [3, 4]. Moreover, the ac- to rule out portal vein disease, to detect anatomical vari- curate timing of contrast bolus together with competent ations, and to draw a road map for surgeons planning long breath holds are mandatory to obtain good quality for hepatectomy or liver transplant [1].
    [Show full text]