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MRI GUIDELINES

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https://www.readbyqxmd.com/read/29777863/comparison-of-histological-and-morphometrical-changes-underlying-subchondral-bone-abnormalities-in-inflammatory-and-degenerative-musculoskeletal-disorders-a-systematic-review
#1
REVIEW
M Loef, S van Beest, F P B Kroon, J L Bloem, O M Dekkers, M Reijnierse, J W Schoones, M Kloppenburg
OBJECTIVE: Subchondral bone abnormalities (SBAs) on magnetic resonance imaging (MRI) are observed frequently and associated with disease course in various musculoskeletal disorders. This review aims to map the existing knowledge of their underlying histological features, and to identify needs for future research. DESIGN: We conducted a systematic review following PRISMA guidelines until September 2017, including all studies correlating histological features to on MRI defined SBAs in patients with osteoarthritis (OA), rheumatoid arthritis (RA), spondyloarthritis (SpA) and degenerative disc disease (DDD)...
May 16, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29776852/indications-for-mars-mri-in-patients-treated-with-articular-surface-replacement-xl-total-hip-arthroplasty
#2
James W Connelly, Vincent P Galea, Inari Laaksonen, Sean J Matuszak, Rami Madanat, Orhun Muratoglu, Henrik Malchau
BACKGROUND: The purpose of this study was to identify which patient and clinical factors are predictive of adverse local tissue reaction (ALTR) and to use these factors to create a highly sensitive algorithm for indicating metal artifact reduction sequence magnetic resonance imaging (MARS-MRI) in Articular Surface Replacement (ASR) XL total hip arthroplasty patients. Our secondary aim was to compare our algorithm to existing national guidelines on when to take MARS-MRI in metal-on-metal total hip arthroplasty patients...
April 19, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29774382/iodine-material-density-images-in-dual-energy-ct-quantification-of-contrast-uptake-and-washout-in-hcc
#3
Daniela Pfeiffer, Anushri Parakh, Manuel Patino, Avinash Kambadakone, Ernst J Rummeny, Dushyant V Sahani
PURPOSE: To determine the diagnostic potential of Material Density (MD) iodine images in dual-energy CT (DECT) for visualization and quantification of arterial phase hyperenhancement and washout in hepatocellular carcinomas compared to magnetic resonance imaging (MRI). MATERIALS AND METHODS: The study complied with HIPAA guidelines and was approved by the ethics committee of the institutional review board. Thirty-one patients (23 men, 8 women; age range, 36-87 years) with known or suspected Hepatocellular Carcinoma (HCC) were included...
May 17, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29770929/two-cases-of-sarcoidosis-presenting-as-longitudinally-extensive-transverse-myelitis
#4
REVIEW
Amanda Mary Scott, Janeth Yinh, Timothy McAlindon, Robert Kalish
Neurosarcoidosis is uncommon with an incidence of approximately 5 to 15%. Central nervous system involvement can be divided into brain and spinal cord neurosarcoidosis. Spinal cord sarcoidosis is extremely rare, occurring in less than 1% of all sarcoidosis cases. Its manifestations may include cauda equina syndrome, radiculopathy, syringomyelia, cord atrophy, arachnoiditis, and myelopathy or transverse myelitis. We highlight two cases of spinal cord sarcoidosis, each presenting with longitudinally extensive transverse myelitis, that demonstrate the dilemmas that physicians face with regard to diagnosis and treatment...
May 17, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29769374/better-diet-quality-relates-to-larger-brain-tissue-volumes-the-rotterdam-study
#5
Pauline H Croll, Trudy Voortman, M Arfan Ikram, Oscar H Franco, Josje D Schoufour, Daniel Bos, Meike W Vernooij
OBJECTIVE: To investigate the relation of diet quality with structural brain tissue volumes and focal vascular lesions in a dementia-free population. METHODS: From the population-based Rotterdam Study, 4,447 participants underwent dietary assessment and brain MRI scanning between 2005 and 2015. We excluded participants with an implausible energy intake, prevalent dementia, or cortical infarcts, leaving 4,213 participants for the current analysis. A diet quality score (0-14) was calculated reflecting adherence to Dutch dietary guidelines...
May 16, 2018: Neurology
https://www.readbyqxmd.com/read/29766770/mri-guided-thrombolysis-for-stroke-with-unknown-time-of-onset
#6
Götz Thomalla, Claus Z Simonsen, Florent Boutitie, Grethe Andersen, Yves Berthezene, Bastian Cheng, Bharath Cheripelli, Tae-Hee Cho, Franz Fazekas, Jens Fiehler, Ian Ford, Ivana Galinovic, Susanne Gellissen, Amir Golsari, Johannes Gregori, Matthias Günther, Jorge Guibernau, Karl Georg Häusler, Michael Hennerici, André Kemmling, Jacob Marstrand, Boris Modrau, Lars Neeb, Natalia Perez de la Ossa, Josep Puig, Peter Ringleb, Pascal Roy, Enno Scheel, Wouter Schonewille, Joaquin Serena, Stefan Sunaert, Kersten Villringer, Anke Wouters, Vincent Thijs, Martin Ebinger, Matthias Endres, Jochen B Fiebach, Robin Lemmens, Keith W Muir, Norbert Nighoghossian, Salvador Pedraza, Christian Gerloff
Background Under current guidelines, intravenous thrombolysis is used to treat acute stroke only if it can be ascertained that the time since the onset of symptoms was less than 4.5 hours. We sought to determine whether patients with stroke with an unknown time of onset and features suggesting recent cerebral infarction on magnetic resonance imaging (MRI) would benefit from thrombolysis with the use of intravenous alteplase. Methods In a multicenter trial, we randomly assigned patients who had an unknown time of onset of stroke to receive either intravenous alteplase or placebo...
May 16, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29765166/diagnosis-of-retrocochlear-lesions-with-emphasis-on-expansion-of-the-cerebellopontine-angle
#7
Bretislav Gal, Jan Rottenberg, Marta Pazourkova, Jiri Vanicek, Ermis Vogazianos
The correct diagnosis of CPA tumours is a relatively common issue in both neurological and ENT practice, the omission of which can have serious consequences for the patient. Properly set clinical guidelines and diagnostic protocols are key aspects of good clinical practice. In the case of CPA tumours, two options are available: the first is diagnosis with the help of an ABR as the primary tool for determining the group of patients with a possible tumour; the second is an MRI scan of the posterior cranial fossa...
April 17, 2018: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/29761117/genomic-analysis-identifies-masqueraders-of-full-term-cerebral-palsy
#8
Yusuke Takezawa, Atsuo Kikuchi, Kazuhiro Haginoya, Tetsuya Niihori, Yurika Numata-Uematsu, Takehiko Inui, Saeko Yamamura-Suzuki, Takuya Miyabayashi, Mai Anzai, Sato Suzuki-Muromoto, Yukimune Okubo, Wakaba Endo, Noriko Togashi, Yasuko Kobayashi, Akira Onuma, Ryo Funayama, Matsuyuki Shirota, Keiko Nakayama, Yoko Aoki, Shigeo Kure
Objective: Cerebral palsy is a common, heterogeneous neurodevelopmental disorder that causes movement and postural disabilities. Recent studies have suggested genetic diseases can be misdiagnosed as cerebral palsy. We hypothesized that two simple criteria, that is, full-term births and nonspecific brain MRI findings, are keys to extracting masqueraders among cerebral palsy cases due to the following: (1) preterm infants are susceptible to multiple environmental factors and therefore demonstrate an increased risk of cerebral palsy and (2) brain MRI assessment is essential for excluding environmental causes and other particular disorders...
May 2018: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29758372/percutaneous-endoscopic-lumbar-surgery-via-transfacet-approach-for-lumbar-synovial-cyst
#9
Hsuan-Han Wu, Lei Chu, Yong-Jian Zhu, Chun-Yuan Cheng, Chien-Min Chen
BACKGROUND: There are currently no high-quality studies on the optimal therapeutic approach for juxtafacet cyst as treatment guidelines have not been developed. Herein, a novel technique in which using an endoscopic transfacet approach to treat a patient with symptomatic lumbar synovial cyst was presented. . CASE DESCRIPTION: A 87-year-old man presented with severe dull pain in the right anterior thigh had developed. Lumbar magnetic resonance imaging (MRI) revealed disc extrusion over the central canal zone at the L2-3 and L4-L5 level, and an ovoid lesion with a hyperintense center plus a hypointense rim on the T2-weighted image...
May 11, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29757471/image-based-retrospective-4d-mri-in-external-beam-radiotherapy-a-comparative-study-with-a-digital-phantom
#10
Chiara Paganelli, John Kipritidis, Danny Lee, Guido Baroni, Paul Keall, Marco Riboldi
PURPOSE: Several image-based retrospective sorting methods of 4D Magnetic Resonance Imaging (4D MRI) have been proposed for respiratory motion reconstruction in external beam radiotherapy. However, the optimal strategy for providing accurate and artefact-free 4D MRI, ideally corresponding to an average breathing cycle, is not yet defined. This study presents a proactive comparison of three published image-based sorting methods, to define a groundwork for benchmarking in 4D MRI. METHODS: Three published 4D MRI methods were selected for image retrospective sorting; body area, mutual information and navigator slice...
May 14, 2018: Medical Physics
https://www.readbyqxmd.com/read/29752327/adherence-to-guidelines-for-breast-surveillance-in-breast-cancer-survivors
#11
Kathryn J Ruddy, Lindsey Sangaralingham, Rachel A Freedman, Sarah Mougalian, Heather Neuman, Caprice Greenberg, Ahmedin Jemal, Narjust Duma, Tufia C Haddad, Valerie Lemaine, Karthik Ghosh, Tina J Hieken, Katie Hunt, Celine Vachon, Cary Gross, Nilay D Shah
Background: Guidelines recommend annual mammography after curative-intent treatment for breast cancer. The goal of this study was to assess contemporary patterns of breast imaging after breast cancer treatment. Methods: Administrative claims data were used to identify privately insured and Medicare Advantage beneficiaries with nonmetastatic breast cancer who had residual breast tissue (not bilateral mastectomy) after breast surgery between January 2005 and May 2015. We calculated the proportion of patients who had a mammogram, MRI, both, or neither during each of 5 subsequent 13-month periods...
May 2018: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29736616/cardiac-mri-for-the-evaluation-of-oncologic-cardiotoxicity
#12
Adrián I Löffler, Michael Salerno
Cancer therapeutics-related cardiac dysfunction (CTRCD) is a well-established adverse effect resulting from a number of cancer therapeutics. Newer immunotherapy has been associated with cardiomyopathy and myocarditis making comprehensive imaging useful for early recognition. Cardiac MRI (CMR) offers a comprehensive evaluation to detect CTRCD. Established guidelines for monitoring left ventricular ejection fraction for potential cardiotoxicity have recently incorporated CMR. We will review the utility of CMR in contemporary evaluation for potential oncologic cardiotoxicity...
May 7, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29733695/can-apparent-diffusion-coefficient-values-assist-pi-rads-version-2-dwi-scoring-a-correlation-study-using-the-pi-radsv2-and-international-society-of-urological-pathology-systems
#13
Sonia Gaur, Stephanie Harmon, Lauren Rosenblum, Matthew D Greer, Sherif Mehralivand, Mehmet Coskun, Maria J Merino, Bradford J Wood, Joanna H Shih, Peter A Pinto, Peter L Choyke, Baris Turkbey
OBJECTIVE: The purposes of this study were to assess correlation of apparent diffusion coefficient (ADC) and normalized ADC (ratio of tumor to nontumor tissue) with the Prostate Imaging Reporting and Data System version 2 (PI-RADSv2) and updated International Society of Urological Pathology (ISUP) categories and to determine how to optimally use ADC metrics for objective assistance in categorizing lesions within PI-RADSv2 guidelines. MATERIALS AND METHODS: In this retrospective study, 100 patients (median age, 62 years; range, 44-75 years; prostate-specific antigen level, 7...
May 7, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29731160/contouring-of-prostate-tumors-on-multiparametric-mri-evaluation-of-clinical-delineations-in-a-multicenter-radiotherapy-trial
#14
Marcel A van Schie, Cuong V Dinh, Petra J van Houdt, Floris J Pos, Stijn W T J P Heijmink, Linda G W Kerkmeijer, Alexis N T J Kotte, Raymond Oyen, Karin Haustermans, Uulke A van der Heide
PURPOSE: To date no guidelines are available for contouring prostate cancer inside the gland, as visible on multiparametric (mp-) MRI. We assessed inter-institutional differences in interpretation of mp-MRI in the multicenter phase III FLAME trial. METHODS: We analyzed clinical delineations on mp-MRI and clinical characteristics from 260 patients across three institutes. We performed a logistic regression analysis to examine each institute's weighting of T2w, ADC and Ktrans intensity maps in the delineation of the cancer...
May 3, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29729847/siope-brain-tumor-group-consensus-guideline-on-craniospinal-target-volume-delineation-for-high-precision-radiotherapy
#15
Thankamma Ajithkumar, Gail Horan, Laetitia Padovani, Nicky Thorp, Beate Timmermann, Claire Alapetite, Lorenza Gandola, Monica Ramos, Karen Van Beek, Melissa Christiaens, Yasmin Lassen-Ramshad, Henriette Magelssen, Kristina Nilsson, Frank Saran, Barbara Rombi, Rolf Kortmann, Geert O Janssens
OBJECTIVE: To develop a consensus guideline for craniospinal target volume (TV) delineation in children and young adults participating in SIOPE studies in the era of high-precision radiotherapy. METHODS AND MATERIALS: During four consensus meetings (Cambridge, Essen, Liverpool, and Marseille), conventional field-based TV has been translated into image-guided high-precision craniospinal TV by a group of expert paediatric radiation oncologists and enhanced by MRI images of liquor distribution...
May 2, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29724428/acr-appropriateness-criteria-%C3%A2-first-trimester-vaginal-bleeding
#16
Douglas L Brown, Ann Packard, Katherine E Maturen, Sandeep Prakash Deshmukh, Kika M Dudiak, Tara L Henrichsen, Benjamin J Meyer, Liina Poder, Elizabeth A Sadowski, Thomas D Shipp, Lynn Simpson, Therese M Weber, Carolyn M Zelop, Phyllis Glanc
Vaginal bleeding is not uncommon in the first trimester of pregnancy. The majority of such patients will have a normal intrauterine pregnancy (IUP), a nonviable IUP, or an ectopic pregnancy. Ultrasound (US) is the primary imaging modality in evaluation of these patients. US, along with clinical observations and serum human chorionic gonadotropin levels, can usually distinguish these causes. Although it is important to diagnose ectopic pregnancies and nonviable IUPs, one should also guard against injury to normal pregnancies due to inappropriate treatment with methotrexate or surgical intervention...
May 2018: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29724426/acr-appropriateness-criteria-%C3%A2-chronic-wrist-pain
#17
David A Rubin, Catherine C Roberts, Jenny T Bencardino, Angela M Bell, R Carter Cassidy, Eric Y Chang, Soterios Gyftopoulos, Darlene F Metter, William B Morrison, Naveen Subhas, Siddharth Tambar, Jeffrey D Towers, Joseph S Yu, Mark J Kransdorf
Radiographs are indicated as the first imaging test in all patients with chronic wrist pain, regardless of the suspected diagnosis. When radiographs are normal or equivocal, advanced imaging with MRI (without or without intravenous contrast or following arthrography), CT (usually without contrast), and ultrasound each has a role in establishing a diagnosis. Furthermore, these examinations may contribute to staging disease, treatment planning, and prognostication, even when radiographs are diagnostic of a specific condition...
May 2018: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29724422/acr-appropriateness-criteria-%C3%A2-staging-and-follow-up-of-ovarian-cancer
#18
Stella K Kang, Caroline Reinhold, Mostafa Atri, Carol B Benson, Priyadarshani R Bhosale, Anuja Jhingran, Yulia Lakhman, Katherine E Maturen, Refky Nicola, Pari V Pandharipande, Gloria M Salazar, Thomas D Shipp, Lynn Simpson, William Small, Betsy L Sussman, Jennifer W Uyeda, Darci J Wall, Bradford P Whitcomb, Carolyn M Zelop, Phyllis Glanc
In the management of epithelial ovarian cancers, imaging is used for cancer detection and staging, both before and after initial treatment. The decision of whether to pursue initial cytoreductive surgery for ovarian cancer depends in part on accurate staging. Contrast-enhanced CT of the abdomen and pelvis (and chest where indicated) is the current imaging modality of choice for the initial staging evaluation of ovarian cancer. Fluorine-18-2-fluoro-2-deoxy-d-glucose PET/CT and MRI may be appropriate for problem-solving purposes, particularly when lesions are present on CT but considered indeterminate...
May 2018: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29724420/acr-appropriateness-criteria-%C3%A2-shoulder-pain-traumatic
#19
Behrang Amini, Nicholas M Beckmann, Francesca D Beaman, Daniel E Wessell, Stephanie A Bernard, R Carter Cassidy, Gregory J Czuczman, Jennifer L Demertzis, Bennett S Greenspan, Bharti Khurana, Kenneth S Lee, Leon Lenchik, Kambiz Motamedi, Akash Sharma, Eric A Walker, Mark J Kransdorf
Traumatic shoulder pain is pain directly attributed to a traumatic event, either acute or chronic. This pain may be the result of either fracture (the clavicle, scapula, or proximal humerus) or soft-tissue injury (most commonly of the rotator cuff, acromioclavicular ligaments, or labroligamentous complex). Imaging assessment of traumatic shoulder pain begins with conventional radiography and, depending on physical examination findings, will require MRI or MR arthrography for assessment of soft-tissue injuries and CT for delineation of fracture planes...
May 2018: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29724418/acr-appropriateness-criteria-%C3%A2-pretreatment-staging-of-muscle-invasive-bladder-cancer
#20
Christian B van der Pol, V Anik Sahni, Steven C Eberhardt, Aytekin Oto, Oguz Akin, Lauren F Alexander, Brian C Allen, Fergus V Coakley, Adam T Froemming, Pat F Fulgham, Keyanoosh Hosseinzadeh, Jodi K Maranchie, Rekha N Mody, Nicola Schieda, David M Schuster, Aradhana M Venkatesan, Carolyn L Wang, Mark E Lockhart
Muscle-invasive bladder cancer (MIBC) has a tendency toward urothelial multifocality and is at risk for local and distant spread, most commonly to the lymph nodes, bone, lung, liver, and peritoneum. Pretreatment staging of MIBC should include imaging of the urothelial upper tract for synchronous lesions; imaging of the chest, abdomen, and pelvis for metastases; and MRI pelvis for local staging. CT abdomen and pelvis without and with contrast (CT urogram) is recommended to assess the urothelium and abdominopelvic organs...
May 2018: Journal of the American College of Radiology: JACR
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