G. Russ , C. Bigorgne , B. Royer , A. Rouxel , M. Bienvenu-Perrard
{"title":"Le système TIRADS en échographie thyroïdienne","authors":"G. Russ , C. Bigorgne , B. Royer , A. Rouxel , M. Bienvenu-Perrard","doi":"10.1016/j.jradio.2011.03.022","DOIUrl":"10.1016/j.jradio.2011.03.022","url":null,"abstract":"<div><h3>Purpose</h3><p>To develop a standardized system for analyzing and reporting thyroid ultrasound, or Thyroid Imaging Reporting and Data System (TIRADS), in order to improve the management of patients with thyroid nodules.</p></div><div><h3>Materials and methods</h3><p>An atlas of imaging features, a standardized vocabulary, a report template and TIRADS categories 0 to 6 were defined, based on the BI-RADS<sup>®</sup> system used for mammography. The diagnostic efficacy of the system was tested by a retrospective review of 500 nodules (159 cancers and 341 benign nodules) and comparing US imaging features to histological findings.</p></div><div><h3>Results</h3><p>Five signs allow accurate detection of 90% of thyroid cancers. The score of a nodule can be easily defined by using an organigram. Sensitivity, specificity and odds-ratio of the score were respectively 95%, 68% and 40.</p></div><div><h3>Conclusion</h3><p>TIRADS is a quality assurance tool for thyroid ultrasound. It contains an image atlas, a standardized report and categories to evaluate thyroid nodules to easily assess the risk of individual nodules being cancers and facilitate patient management.</p></div>","PeriodicalId":14813,"journal":{"name":"Journal De Radiologie","volume":"92 7","pages":"Pages 701-713"},"PeriodicalIF":0.0,"publicationDate":"2011-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jradio.2011.03.022","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30058098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J. Potet , G. Weber-Donat , A. Thome , L. Valbousquet , E. Peroux , J. Konopacki , J. Baccialone , C.-A. Teriitehau
{"title":"Prise en charge du risque hémostatique au cours des actes de radiologie interventionnelle","authors":"J. Potet , G. Weber-Donat , A. Thome , L. Valbousquet , E. Peroux , J. Konopacki , J. Baccialone , C.-A. Teriitehau","doi":"10.1016/j.jradio.2011.05.006","DOIUrl":"10.1016/j.jradio.2011.05.006","url":null,"abstract":"<div><p>Given the increasing demand for interventional image-guided procedures, radiologists are increasingly sollicited by clinicians to participate in the management of patients prior to and after the interventional procedure, especially with regards to hemostasis. Therefore, radiologists should be familiar with the risk of procedure related hemorrhage. Based on consensus guidelines published by the Society of Interventional Radiology (SIR), the risk of hemorrhage for each interventional procedure will be classified. Recommendations for preprocedure testing based on the type of procedure planned will be reviewed. Finally, limitations of hemostasis parameters will be discussed along with management of anticoagulants and antiplatelet agents before the procedure.</p></div>","PeriodicalId":14813,"journal":{"name":"Journal De Radiologie","volume":"92 7","pages":"Pages 659-670"},"PeriodicalIF":0.0,"publicationDate":"2011-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jradio.2011.05.006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30058713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Chassang , S. Novellas , G. Baudin , J. Bouaziz , A. Bongain , P. Chevallier
{"title":"Nécrose utérine après embolisation utérine par du matériel résorbable pour hémorragie de la délivrance","authors":"M. Chassang , S. Novellas , G. Baudin , J. Bouaziz , A. Bongain , P. Chevallier","doi":"10.1016/j.jradio.2011.03.024","DOIUrl":"10.1016/j.jradio.2011.03.024","url":null,"abstract":"","PeriodicalId":14813,"journal":{"name":"Journal De Radiologie","volume":"92 7","pages":"Pages 725-728"},"PeriodicalIF":0.0,"publicationDate":"2011-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jradio.2011.03.024","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30058099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
W. Ouedraogo , J. Tran-Van Nhieu , L. Baranes , S.-J. Lin , T. Decaens , A. Laurent , M. Djabbari , F. Pigneur , C. Duvoux , H. Kobeiter , J.-F. Deux , A. Rahmouni , A. Luciani
{"title":"Évaluation des critères diagnostiques non invasifs du carcinome hépatocellulaire sur IRM pré-greffe hépatique (2010) : corrélations IRM – anatomopathologiques sur explants hépatiques","authors":"W. Ouedraogo , J. Tran-Van Nhieu , L. Baranes , S.-J. Lin , T. Decaens , A. Laurent , M. Djabbari , F. Pigneur , C. Duvoux , H. Kobeiter , J.-F. Deux , A. Rahmouni , A. Luciani","doi":"10.1016/j.jradio.2011.03.020","DOIUrl":"10.1016/j.jradio.2011.03.020","url":null,"abstract":"<div><h3>Purpose</h3><p>To validate the 2010 diagnostic criteria from the American Association for the Study of Liver Diseases (AASLD) for hepatocellular carcinoma (HCC) on MRI using the surgical liver specimen as a gold standard.</p></div><div><h3>Patients and methods</h3><p>A total of 21 liver transplant recipients were retrospectively included. Each underwent surgery because of HCC between January 2007 and January 2008. Pre-transplant MRI was performed on a 1.5 Tesla MR unit. The T1W and T2W signal and kinetic contrast enhancement were correlated for each lesion with the surgical specimen. Lesion diameters between MRI and specimen were compared (Spearman). A multivariate model was created (R statistics software package) to predict the presence and grade of tumor differentiation (WHO, Edmonson Steiner).</p></div><div><h3>Results</h3><p>A total of 71 nodules were detected at histology, including 54 HCC (mean size: 25.3<!--> <!-->mm) compared to 68 on MRI. There was moderate agreement (<em>r</em> <!-->=<!--> <!-->0.58, <em>P</em> <!--><<!--> <!-->0.001) between the maximum lesion diameters measured on MRI and at histology. Wash-out on MRI provided an accuracy of 75 % for the detection of HCC (sensitivity<!--> <!-->=<!--> <!-->75 %, specificity<!--> <!-->=<!--> <!-->76 %). Adding T2W hyperintensity to the AASLD criteria increased the sensitivity of MRI from 70.3 % to 77.7 % for the diagnosis of HCC and from 67.6 % to 79 % for nodules less than 20<!--> <!-->mm in diameter, without affecting specificity. On multivariate analysis, wash out as a single variable was significantly associated with a diagnosis of HCC (<em>P</em> <!--><<!--> <!-->0.01, odds ratio 12.0, CI 95 % [2.6–55.5]). T1W hyperintensity (<em>P</em> <!-->=<!--> <!-->0.04, odds ratio 5.4) and loss of signal on opposed-phase images (<em>P</em> <!-->=<!--> <!-->0.02, odds ratio 9.2) were predictive of good differentiation.</p></div><div><h3>Conclusion</h3><p>On MRI, the AASLD criteria or presence of wash out within a liver nodule in patients with underlying chronic hepatocellular disease are suggestive of tumoral transformation. The addition of T2W hyperintensity to the AASLD criteria increases the detection of HCC, especially nodules smaller than 20<!--> <!-->mm.</p></div>","PeriodicalId":14813,"journal":{"name":"Journal De Radiologie","volume":"92 7","pages":"Pages 688-700"},"PeriodicalIF":0.0,"publicationDate":"2011-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jradio.2011.03.020","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30058095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
E. Daoud , S. Mezghani , H. Fourati , H. Ketata , Y. Guermazi , K. Ayadi , C. Dabbeche , J. Mnif , K. Ben Mahfoudh , Z. Mnif
{"title":"Aspects IRM de la tuberculose de la région sellaire","authors":"E. Daoud , S. Mezghani , H. Fourati , H. Ketata , Y. Guermazi , K. Ayadi , C. Dabbeche , J. Mnif , K. Ben Mahfoudh , Z. Mnif","doi":"10.1016/j.jradio.2011.04.011","DOIUrl":"10.1016/j.jradio.2011.04.011","url":null,"abstract":"<div><h3>Purpose</h3><p>Tuberculosis of the sellar region, especially the pituitary gland, is rare. The purpose of this article is to demonstrate through a review of five clinical cases the value of imaging, especially MR imaging, in the evaluation of this pathology.</p></div><div><h3>Patients and methods</h3><p>CT and MRI of the brain were obtained in all cases along with a chest radiograph.</p></div><div><h3>Results</h3><p>Four patterns were detected on MRI: pituitary tuberculoma mimicking adenoma; pituitary abscess, extending to the cavernous sinus in one case and associated with infundibulum thickening in another; hypophysitis with suprasellar extension in association with tuberculous meningoencephalitis; and infundibular thickening associated with tuberculous meningoencephalitis. Diagnosis was based on biopsy in two cases and combination of imaging and clinical data in three cases. Outcome was favorable with anti-tuberculosis drugs.</p></div><div><h3>Conclusion</h3><p>Irrespective of the imaging features, a history of travel to an endemic region combined to other findings such as infundibular thickening should raise concern for the possibility of tuberculosis even in the absence of signs of systemic infection.</p></div>","PeriodicalId":14813,"journal":{"name":"Journal De Radiologie","volume":"92 7","pages":"Pages 714-721"},"PeriodicalIF":0.0,"publicationDate":"2011-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jradio.2011.04.011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30058096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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