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Abdominal Radiology

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https://www.readbyqxmd.com/read/29151131/contrast-enhanced-ultrasound-of-the-liver-technical-and-lexicon-recommendations-from-the-acr-ceus-li-rads-working-group
#1
Andrej Lyshchik, Yuko Kono, Christoph F Dietrich, Hyun-Jung Jang, Tae Kyoung Kim, Fabio Piscaglia, Alexander Vezeridis, Juergen K Willmann, Stephanie R Wilson
Contrast-enhanced ultrasound (CEUS) is a specific form of ultrasound imaging performed with intravenous administration of microbubble contrast agents. It has been extensively used for liver tumor characterization and was recently added to the American College of Radiology Liver Imaging Reporting and Data System (CEUS LI-RADS). This paper describes technical recommendations for successful liver CEUS lesion characterization, and provides imaging protocol and Lexicon of imaging findings.
November 18, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29147766/pictorial-essay-imaging-findings-following-y90-radiation-segmentectomy-for-hepatocellular-carcinoma
#2
REVIEW
Ronald A Mora, Rehan Ali, Ahmed Gabr, Nadine Abouchaleh, Ali Al Asadi, Joseph Ralph Kallini, Frank H Miller, Vahid Yaghmai, Samdeep Mouli, Bartley Thornburg, Kush Desai, Ahsun Riaz, Robert J Lewandowski, Riad Salem
Transarterial radioembolization is a novel therapy that has gained rapid clinical acceptance for the treatment of hepatocellular carcinoma (HCC). Segmental radioembolization [also termed radiation segmentectomy (RS)] is a technique that can deliver high doses (> 190 Gy) of radiation selectively to the hepatic segment(s) containing the tumor. The aim of this comprehensive review is to provide an illustrative summary of the most relevant imaging findings encountered after radiation segmentectomy. A 62-patient cohort of Child-Pugh A patients with solitary HCC < 5 cm in size was identified...
November 17, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29147765/congestive-hepatopathy
#3
Michael L Wells, Sudhakar K Venkatesh
Passive hepatic congestion may result from a variety of distinct cardiovascular conditions. Injury to the liver caused by congestion is often asymptomatic and may not be recognized clinically. Diagnosis of congestive hepatopathy is important as it has the potential to cause complications including hepatic fibrosis and development of benign and malignant liver masses. This review will summarize the pathophysiologic mechanisms of congestive hepatopathy and provide both description and examples of its multimodality imaging findings...
November 17, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29143875/the-role-of-18f-fdg-pet-ct-and-pet-mri-in-pancreatic-ductal-adenocarcinoma
#4
Randy Yeh, Laurent Dercle, Ishan Garg, Zhen Jane Wang, David M Hough, Ajit H Goenka
Pancreatic ductal adenocarcinoma (PDAC) remains a difficult disease to treat and continues to portend a poor prognosis, as most patients are unresectable at diagnosis. 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET) combined with CT (PET/CT) has been a cornerstone in oncological imaging of different cancers; however, the role of PET/CT in PDAC is continually evolving and currently not well established. Studies have shown the potential of PET/CT in guiding the management of patients with PDAC, with possible added benefit over anatomic imaging with CT or MRI in certain scenarios...
November 16, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29143874/letter-to-the-editor
#5
LETTER
Yeun-Yoon Kim, Chansik An, Myeong-Jin Kim
No abstract text is available yet for this article.
November 16, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29143076/magnetic-resonance-elastography-beyond-liver-fibrosis-a-case-based-pictorial-review
#6
REVIEW
Sudhakar K Venkatesh, Michael L Wells, Frank H Miller, Kartik S Jhaveri, Alvin C Silva, Bachir Taouli, Richard L Ehman
Magnetic resonance elastography (MRE) has been introduced for clinical evaluation of liver fibrosis for nearly a decade. MRE has proven to be a robust and accurate technique for diagnosis and staging of liver fibrosis. As clinical experience with MRE grows, the possible role in evaluation of other diffuse and focal disorders of liver is emerging. Stiffness maps provide an opportunity to evaluate mechanical properties within a large volume of liver tissue. This enables appreciation of spatial heterogeneity of stiffness...
November 15, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29143075/the-black-garland-sign-in-ovarian-fibromatosis
#7
REVIEW
Amilcar Diaz, Gail Yarmish, Morris Hayim
No abstract text is available yet for this article.
November 15, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29138891/-sliced-bread-or-club-sandwich-appearance
#8
REVIEW
Venkatraman Indiran, Beno Jefferson, Kalaichezian Mariappan, Kanakaraj Kannan
No abstract text is available yet for this article.
November 14, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29138890/role-of-rapid-kv-switching-dual-energy-ct-in-assessment-of-post-surgical-local-recurrence-of-pancreatic-adenocarcinoma
#9
Anushri Parakh, Manuel Patino, Daniela Muenzel, Avinash Kambadakone, Dushyant V Sahani
PURPOSE: The purpose of this study is to evaluate the performance of material-specific iodine (MS-I) images generated by rapid kV-switching single-source dual-energy computed tomography (rsDECT) for distinguishing post-operative changes from local tumor recurrence in patients on follow-up for pancreatic adenocarcinoma after surgical resection. METHODS: In this IRB-approved HIPPA-compliant study, retrospective review of 51 patients who underwent surgical resection of pancreatic adenocarcinoma was conducted and were followed up using contrast-enhanced rsDECT (Discovery CT 750HD, GE Healthcare, Milwaukee, WI)...
November 14, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29128994/radiologists-preferences-regarding-content-of-prostate-mri-reports-a-survey-of-the-society-of-abdominal-radiology
#10
Benjamin Spilseth, Daniel J Margolis, Sangeet Ghai, Nayana U Patel, Andrew B Rosenkrantz
PURPOSE: To evaluate radiologist preferences regarding specific content that warrants inclusion in prostate MRI reports. METHODS: Sixty-one members of the Society of Abdominal Radiology responded to a 74-item survey regarding specific content warranted in prostate MRI reports, conducted in August 2016. RESULTS: General items deemed essential report content by ≥ 50% of respondents were prostate volume (80%), extent of prostate hemorrhage (74%), TURP defects (69%), coil type (64%), BPH (61%), contrast dose (61%), contrast agent (59%), medications administered (59%), and magnet strength (54%)...
November 11, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29128993/pancreatic-adenocarcinoma-cross-sectional-imaging-techniques
#11
Naveen M Kulkarni, David M Hough, Parag P Tolat, Erik V Soloff, Avinash R Kambadakone
Pancreatic adenocarcinoma is a common malignancy that has a poor prognosis. Imaging is vital in its detection, staging, and management. Although a variety of imaging techniques are available, MDCT is the preferred imaging modality for staging and assessing the resectability of pancreatic adenocarcinoma. MR also has an important adjunct role, and may be used in addition to CT or as a problem-solving tool. A dedicated pancreatic protocol should be acquired as a biphasic technique optimized for the detection of pancreatic adenocarcinoma and to allow accurate local and distant disease staging...
November 11, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29128992/mapping-of-hepatic-vasculature-in-potential-living-liver-donors-comparison-of-gadoxetic-acid-enhanced-mr-imaging-using-caipirinha-technique-with-ct-angiography
#12
Kartik Jhaveri, Lijun Guo, Luís Guimarães, Ravi Menezes, Ian McGilvray, Mark Cattral, David Grant
PURPOSE: To retrospectively evaluate gadoxetic acid-enhanced magnetic resonance angiography (MRA) using controlled aliasing in parallel imaging results in higher acceleration (CAIPIRINHA) technique for mapping hepatic vascular anatomy in potential living liver donors, with CT angiography (CTA) as reference standard. METHODS: 82 potential living liver donors who underwent MRA and CTA were enrolled in this HIPAA-compliant IRB-approved study. MRA and CTA images were evaluated by two reviewers in consensus with respect to (1) image quality scores for depiction of the hepatic vessels and (2) accuracy of MRA for determining the hepatic vascular variants with CTA as reference standard...
November 11, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29128991/renal-cancer-at-unenhanced-ct-imaging-features-detection-rates-and-outcomes
#13
Stacy D O'Connor, Stuart G Silverman, Laila R Cochon, Ramin K Khorasani
PURPOSE: To describe and quantify the rate of detection of renal cancer on unenhanced CT. METHODS: This retrospective, HIPAA-compliant study was approved by the Institutional Review Board. Electronic health records for all patients who underwent unenhanced abdominal CT at our institution between 2000 and 2005 were reviewed to identify patients subsequently diagnosed with renal cancer during a follow-up period of up to 12 years. Images were reviewed to determine if the cancer was visible at index (first) unenhanced CT and their findings recorded...
November 11, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29128990/erratum-to-fertility-sparing-for-young-patients-with-gynecologic-cancer-how-mri-can-guide-patient-selection-prior-to-conservative-management
#14
Sinead H McEvoy, Stephanie Nougaret, Nadeem R Abu-Rustum, Hebert Alberto Vargas, Elizabeth A Sadowski, Christine O Menias, Fuki Shitano, Shinya Fujii, Ramon E Sosa, Joanna G Escalon, Evis Sala, Yulia Lakhman
The original version of this article unfortunately contained mistakes. The figures 7D, 7E and 7F were missing in the article and arrows were missing in the figures 6C, 8B and 11C. The year of publication and volume number for references 19, 79 and 87 have been updated. Also, the Table 2 layout has been improved for better readability. The Publisher apologizes for the mistakes and the inconvenience caused.
November 11, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29116342/gastroenterology-and-pancreatic-adenocarcinoma-what-the-radiologist-needs-to-know
#15
Abhik Bhattacharya, Namita S Gandhi, Mark E Baker, Prabhleen Chahal
In this article, we review the information that radiologists need to know regarding the endoscopic approach to the diagnosis and management of pancreatic cancer. This includes a review of the indications, techniques, and complications of endoscopic ultrasound. We also review information regarding endoscopic retrograde cholangiopancreatography, including the various biliary drainage techniques and the use of endoscopic palliation for patients with pancreatic cancer.
November 7, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29116341/shear-wave-liver-elastography
#16
Richard G Barr
Chronic liver disease is a substantial world-wide problem. Its major consequence is increasing deposition of fibrous tissue within the liver leading to the development of cirrhosis with its consequences of portal hypertension, hepatic insufficiency, and hepatocellular carcinoma. The stage of liver fibrosis is important to determine prognosis, surveillance, prioritize for treatment, and potential for reversibility. The process of fibrosis is dynamic and regression of fibrosis is possible with treatment of the underlying conditions...
November 7, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29110059/differentiating-focal-nodular-hyperplasia-from-hepatocellular-adenoma-is-hepatobiliary-phase-mri-hbp-mri-using-linear-gadolinium-chelates-always-useful
#17
Marion Roux, Frederic Pigneur, Laurence Baranes, Julien Calderaro, Mélanie Chiaradia, Thomas Decaens, Sandrine Kastahian, Anaïs Charles-Nelson, Lambros Tselikas, Charlotte Costentin, Alexis Laurent, Daniel Azoulay, Ariane Mallat, Alain Rahmouni, Alain Luciani
PURPOSE: To assess the value of Hepatobiliary phase MRI (HPB-MRI) to differentiate FNH and HCA, and evaluate its impact on diagnostic accuracy, diagnostic confidence, inter-observer variability, and patient clinical management. METHODS: Forty-nine patients referred for Gd-BOPTA-enhanced MRI were retrospectively included in this IRB-approved study, with a total of 119 lesions-90 FNH and 29 HCA. Two observers separately assessed in 2 distinct randomized reading sessions the performance of MRI with (HBP-MRI) or without (conventional MRI) the use of HBP images...
November 6, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29110058/the-chain-of-lakes-sign
#18
REVIEW
Jennifer A Schroeder, Raymond B Dyer, Brenda L Holbert
No abstract text is available yet for this article.
November 6, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29110057/mosaic-architecture-of-hepatocellular-carcinoma
#19
REVIEW
Roberto Cannella, Alessandro Furlan
No abstract text is available yet for this article.
November 6, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29110056/efficacy-and-safety-of-balloon-occluded-retrograde-transvenous-obliteration-of-gastric-varices-with-lauromacrogol-foam-sclerotherapy-initial-experience
#20
Xuefeng Luo, Huaiyuan Ma, Jiaze Yu, Ying Zhao, Xiaoze Wang, Li Yang
PURPOSE: Balloon-occluded retrograde transvenous obliteration (BRTO) is a widely-accepted treatment for gastric varices (GVs). The purpose of this study was to evaluate the efficacy and safety of BRTO with lauromacrogol foam sclerotherapy. MATERIALS AND METHODS: Between May 2014 and June 2015, 32 patients were treated with lauromacrogol foam. Lauromacrogol foam was made using a combination of agents, with a 2:1:1 ratio of room air: lauromacrogol: contrast media...
November 6, 2017: Abdominal Radiology
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