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European Radiology

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https://www.readbyqxmd.com/read/29344699/feasibility-study-of-mr-guided-transgluteal-targeted-in-bore-biopsy-for-suspicious-lesions-of-the-prostate-at-3-tesla-using-a-freehand-approach
#1
Frank Fischbach, Lukas Wien, Sascha Krueger, Bernhard Schnackenburg, Daniel Baumunk, Björn Friebe, Martin Schostak, Jens Ricke, Katharina Fischbach
OBJECTIVE: The aim of our study was (1) to establish an in-bore targeted biopsy of suspicious prostate lesions, avoiding bowel penetration using a transgluteal approach and (2) to assess operator setup, patient comfort and safety aspects in the clinical setting for freehand real-time MR-guidance established for percutaneous procedures in an open MR-scanner. MATERIAL AND METHODS: 30 patients with suspect prostate lesions were biopsied in a cylindrical 3T-MRI system using a transgluteal approach in freehand technique...
January 17, 2018: European Radiology
https://www.readbyqxmd.com/read/29335869/magnetic-resonance-cholangiopancreatography-with-grase-sequence-at-3-0t-does-it-improve-image-quality-and-acquisition-time-as-compared-with-3d-tse
#2
Morikatsu Yoshida, Takeshi Nakaura, Taihei Inoue, Shota Tanoue, Sentaro Takada, Daisuke Utsunomiya, Shota Tsumagari, Kazunori Harada, Yasuyuki Yamashita
OBJECTIVES: The current study evaluated the clinical usefulness of the gradient and spin-echo (GRASE) sequence with single breath-hold in 3.0 T magnetic resonance cholangiopancreatography (MRCP). We compared the acquisition time and image quality between GRASE and breath navigator-triggered 3D turbo spin echo (3D TSE). METHODS: We examined 54 consecutive patients who underwent MRCP with GRASE and 3D TSE. We compared the image acquisition time and contrast-to-noise ratio (CNR) between the common bile duct (CBD) and liver...
January 15, 2018: European Radiology
https://www.readbyqxmd.com/read/29335868/added-value-of-ancillary-imaging-features-for-differentiating-scirrhous-hepatocellular-carcinoma-from-intrahepatic-cholangiocarcinoma-on-gadoxetic-acid-enhanced-mr-imaging
#3
Seo-Youn Choi, Young Kon Kim, Ji Hye Min, Tae Wook Kang, Woo Kyoung Jeong, Soohyun Ahn, Hojeong Won
OBJECTIVES: To determine ancillary features that help distinguish between scirrhous hepatocellular carcinoma (S-HCC) and intrahepatic cholangiocarcinoma (ICC) and investigate added value of ancillary features to enhancement pattern-based diagnosis on gadoxetic acid-enhanced MRI. METHODS: This retrospective study included 96 patients with S-HCCs and 120 patients with ICCs who underwent gadoxetic acid MRI before surgical resection. Two observers reviewed MRIs of the tumours...
January 15, 2018: European Radiology
https://www.readbyqxmd.com/read/29335867/can-ct-based-radiomics-signature-predict-kras-nras-braf-mutations-in-colorectal-cancer
#4
Lei Yang, Di Dong, Mengjie Fang, Yongbei Zhu, Yali Zang, Zhenyu Liu, Hongmei Zhang, Jianming Ying, Xinming Zhao, Jie Tian
OBJECTIVES: To investigate whether CT-based radiomics signature can predict KRAS/NRAS/BRAF mutations in colorectal cancer (CRC). METHODS: This retrospective study consisted of a primary cohort (n = 61) and a validation cohort (n = 56) with pathologically confirmed CRC. Patients underwent KRAS/NRAS/BRAF mutation tests and contrast-enhanced CT before treatment. A total of 346 radiomics features were extracted from portal venous-phase CT images of the entire primary tumour...
January 15, 2018: European Radiology
https://www.readbyqxmd.com/read/29330631/apparent-diffusion-coefficient-mapping-using-diffusion-weighted-mri-impact-of-background-parenchymal-enhancement-amount-of-fibroglandular-tissue-and-menopausal-status-on-breast-cancer-diagnosis
#5
Joao V Horvat, Manuela Durando, Soledad Milans, Sujata Patil, Jessica Massler, Girard Gibbons, Dilip Giri, Katja Pinker, Elizabeth A Morris, Sunitha B Thakur
OBJECTIVES: To investigate the impact of background parenchymal enhancement (BPE), amount of fibroglandular tissue (FGT) and menopausal status on apparent diffusion coefficient (ADC) values in differentiation between malignant and benign lesions. METHODS: In this HIPAA-compliant study, mean ADC values of 218 malignant and 130 benign lesions from 288 patients were retrospectively evaluated. The differences in mean ADC values between benign and malignant lesions were calculated within groups stratified by BPE level (high/low), amount of FGT (dense/non-dense) and menopausal status (premenopausal/postmenopausal)...
January 12, 2018: European Radiology
https://www.readbyqxmd.com/read/29330630/evaluation-of-pain-during-high-intensity-focused-ultrasound-ablation-of-benign-thyroid-nodules
#6
Brian H H Lang, Yu-Cho Woo, Keith Wan-Hang Chiu
OBJECTIVE: To assess severity and factors of pain during high-intensity focused ultrasound (HIFU) ablation of benign thyroid nodules. METHODS: 128 patients who underwent a HIFU ablation for a benign thyroid nodule were analysed. All patients received a bolus of intravenous pethidine and diazepam before treatment. After treatment, patients were asked to rate their overall pain experience on a visual analogue scale (0-100) (0 = no pain; 100 = worse possible pain) during treatment, 2 h after treatment and the following morning...
January 12, 2018: European Radiology
https://www.readbyqxmd.com/read/29327290/the-diagnostic-performance-of-reduced-dose-ct-for-suspected-appendicitis-in-paediatric-and-adult-patients-a-systematic-review-and-diagnostic-meta-analysis
#7
Hee Mang Yoon, Chong Hyun Suh, Young Ah Cho, Jeong Rye Kim, Jin Seong Lee, Ah Young Jung, Jung Heon Kim, Jeong-Yong Lee, So Yeon Kim
OBJECTIVE: To evaluate the diagnostic performance of reduced-dose CT for suspected appendicitis. METHODS: A systematic search of the MEDLINE and EMBASE databases was carried out through to 10 January 2017. Studies evaluating the diagnostic performance of reduced-dose CT for suspected appendicitis in paediatric and adult patients were selected. Pooled summary estimates of sensitivity and specificity were calculated using hierarchical logistic regression modelling...
January 11, 2018: European Radiology
https://www.readbyqxmd.com/read/29322333/whole-body-ultra-low-dose-ct-using-spectral-shaping-for-detection-of-osteolytic-lesion-in-multiple-myeloma
#8
Saravanabavaan Suntharalingam, Christian Mikat, Axel Wetter, Nika Guberina, Ahmed Salem, Philipp Heil, Michael Forsting, Kai Nassenstein
OBJECTIVES: The aim of this study was to investigate the radiation dose and image quality of a whole-body low-dose CT (WBLDCT) using spectral shaping at 100 kV (Sn 100 kV) for the assessment of osteolytic lesions in patients with multiple myeloma. METHODS: Thirty consecutive patients were retrospectively selected, who underwent a WBLDCT on a third-generation dual-source CT (DSCT) (Sn 100 kV, ref. mAs: 130). They were matched with patients, who were examined on a second-generation DSCT with a standard low-dose protocol (100 kV, ref...
January 10, 2018: European Radiology
https://www.readbyqxmd.com/read/29322332/evaluation-of-age-dependent-morphometrics-of-the-meniscofemoral-ligaments-in-reference-to-the-posterior-cruciate-ligament-in-routine-mri
#9
Sebastian Röhrich, Franz Kainberger, Lena Hirtler
OBJECTIVES: To quantify the morphological correlation between the posterior cruciate ligament (PCL) and the meniscofemoral ligaments (MFLs), to propose normal ranges for different age populations, and to define guidelines for correct identification and differentiation of MFLs in routine MRI. METHODS: Three hundred forty-two subjects were included retrospectively and subdivided into five age groups. Morphometrics of the PCL and the MFLs were measured on standard MRI in the sagittal, coronal, and axial planes...
January 10, 2018: European Radiology
https://www.readbyqxmd.com/read/29322331/correction-to-magnetic-resonance-imaging-for-clinical-management-of-rectal-cancer-updated-recommendations-from-the-2016-european-society-of-gastrointestinal-and-abdominal-radiology-esgar-consensus-meeting
#10
Regina G H Beets-Tan, Doenja M J Lambregts, Monique Maas, Shandra Bipat, Brunella Barbaro, Luís Curvo-Semedo, Helen M Fenlon, Marc J Gollub, Sofia Gourtsoyianni, Steve Halligan, Christine Hoeffel, Seung Ho Kim, Andrea Laghi, Andrea Maier, Søren R Rafaelsen, Jaap Stoker, Stuart A Taylor, Michael R Torkzad, Lennart Blomqvist
The article Magnetic resonance imaging for clinical management of rectal cancer: Updated recommendations from the 2016 European Society of Gastrointestinal and Abdominal Radiology (ESGAR) consensus meeting, written by [§§§ AuthorNames §§§].
January 10, 2018: European Radiology
https://www.readbyqxmd.com/read/29318432/the-price-study-the-role-of-conventional-and-diffusion-weighted-magnetic-resonance-imaging-in-assessment-of-locally-advanced-cervical-cancer-patients-administered-by-chemoradiation-followed-by-radical-surgery
#11
A L Valentini, M Miccò, B Gui, M Giuliani, E Rodolfino, A M Telesca, T Pasciuto, A Testa, M A Gambacorta, G Zannoni, V Rufini, A Giordano, V Valentini, G Scambia, R Manfredi
OBJECTIVES: To analyse the role of DW-MRI in early prediction of pathologically-assessed residual disease in locally-advanced cervical cancer (LACC) treated with neoadjuvant chemoradiotherapy followed by radical surgery. METHODS: Between October 2010-June 2014, 108 women with histologically-proven cervical cancer were screened; 88 were included in this study. Tumour volume (TV) and ADCmean were measured before (baseline-MRI) and after 2 weeks of chemoradiotherapy (early-MRI)...
January 9, 2018: European Radiology
https://www.readbyqxmd.com/read/29318431/computed-tomography-use-in-a-large-italian-region-trend-analysis-2004-2014-of-emergency-and-outpatient-ct-examinations-in-children-and-adults
#12
Andrea Pola, Daniela Corbella, Andrea Righini, Alberto Torresin, Paola E Colombo, Luigi Vismara, Luca Trombetta, Michele Maddalo, Maria Vittoria Introini, Daniela Tinelli, Laura Strohmenger, Giovanna Garattini, Angelica Munari, Fabio Triulzi
OBJECTIVES: To analyse CT use in recent years in a high-density Italian area (±10 million inhabitants, including 1 million children), focusing on developing age. METHODS: Retrospective analysis of records from HealthCare IT System, covering >400 hospitals and clinics. Description of CT use between 2004-2014 in emergency and outpatient care and assessment of radiation exposure trend. RESULTS: Over 9 million scans were performed. Emergency procedures showed a global increase of 230 %, mainly head examinations...
January 9, 2018: European Radiology
https://www.readbyqxmd.com/read/29318430/an-eight-year-prospective-controlled-study-about-the-safety-and-diagnostic-value-of-cardiac-and-non-cardiac-1-5-t-mri-in-patients-with-a-conventional-pacemaker-or-a-conventional-implantable-cardioverter-defibrillator
#13
Pierpaolo Lupo, Riccardo Cappato, Giovanni Di Leo, Francesco Secchi, Giacomo D E Papini, Sara Foresti, Hussam Ali, Guido M G De Ambroggi, Antonio Sorgente, Gianluca Epicoco, Paola M Cannaò, Francesco Sardanelli
OBJECTIVES: To investigate safety and diagnostic value of 1.5-T MRI in carriers of conventional pacemaker (cPM) or conventional implantable defibrillator (cICD). METHODS: We prospectively compared cPM/cICD-carriers undergoing MRI (study group, SG), excluding those device-dependent or implanted <6 weeks before enrolment or prior to 01/01/2000, with cPM/cICD-carriers undergoing chest x-ray, CT or follow-up (reference group, RG). RESULTS: 142 MRI (55 cardiac) were performed in 120 patients with cPM (n=71) or cICD (n=71)...
January 9, 2018: European Radiology
https://www.readbyqxmd.com/read/29318429/effect-of-intra-articular-injection-of-intermediate-weight-hyaluronic-acid-on-hip-and-knee-cartilage-in-vivo-evaluation-using-t2-mapping
#14
Giulio Ferrero, Luca Maria Sconfienza, Francesco Fiz, Emanuele Fabbro, Angelo Corazza, Daniele Dettore, Davide Orlandi, Carlo Castellazzo, Stefano Tornago, Giovanni Serafini
OBJECTIVES: We used T2 mapping to quantify the effect of intra-articular hyaluronic acid administration (IAHAA) on cartilage with correlation to clinical symptoms. METHODS: One hundred two patients with clinical and MRI diagnosis of hip or knee grade I-III chondropathy were prospectively included. All patients received a standard MRI examination of the affected hip/knee (one joint/patient) and T2-mapping multiecho sequence for cartilage evaluation. T2 values of all slices were averaged and used for analysis...
January 9, 2018: European Radiology
https://www.readbyqxmd.com/read/29318428/how-when-why-in-magnetic-resonance-arthrography-an-international-survey-by-the-european-society-of-musculoskeletal-radiology-essr
#15
Luca Maria Sconfienza, Domenico Albano, Carmelo Messina, Enzo Silvestri, Alberto Stefano Tagliafico
OBJECTIVES: To perform an online survey about the use of magnetic resonance arthrography (MRA) in clinical practice. METHODS: We administered an online survey to all 1,550 members of the European Society of Musculoskeletal Radiology (ESSR) about MRA asking ten different questions. Subgroup analysis was performed between general and orthopaedic hospitals using χ2 and Mann-Whitney U statistics. RESULTS: One-hundred forty-eight answers were included (148/1,550, 9...
January 9, 2018: European Radiology
https://www.readbyqxmd.com/read/29318427/mr-neurography-in-traumatic-non-obstetric-paediatric-brachial-plexopathy
#16
Vaishali Upadhyaya, Divya Narain Upadhyaya, Brijesh Mishra
OBJECTIVES: Many studies have elaborated on the role of magnetic resonance neurography (MRN) in evaluating traumatic brachial plexopathies. Most of these deal with MR findings in adult traumatic plexopathies or children with obstetric brachial plexus palsy (OBPP). Hence, the authors felt the need for this particular study, which focuses on MRN findings in children with non-obstetric traumatic brachial plexus palsy, to find out the distribution and severity of injuries in these patients...
January 9, 2018: European Radiology
https://www.readbyqxmd.com/read/29318426/determining-procedures-for-simulation-based-training-in-radiology-a-nationwide-needs-assessment
#17
Leizl Joy Nayahangan, Kristina Rue Nielsen, Elisabeth Albrecht-Beste, Michael Bachmann Nielsen, Charlotte Paltved, Karen Gilboe Lindorff-Larsen, Bjørn Ulrik Nielsen, Lars Konge
OBJECTIVES: New training modalities such as simulation are widely accepted in radiology; however, development of effective simulation-based training programs is challenging. They are often unstructured and based on convenience or coincidence. The study objective was to perform a nationwide needs assessment to identify and prioritize technical procedures that should be included in a simulation-based curriculum. METHODS: A needs assessment using the Delphi method was completed among 91 key leaders in radiology...
January 9, 2018: European Radiology
https://www.readbyqxmd.com/read/29318425/quantifying-the-effect-of-slice-thickness-intravenous-contrast-and-tube-current-on-muscle-segmentation-implications-for-body-composition-analysis
#18
Georg Fuchs, Yves R Chretien, Julia Mario, Synho Do, Matthias Eikermann, Bob Liu, Kai Yang, Florian J Fintelmann
OBJECTIVES: To quantify the effect of IV contrast, tube current and slice thickness on skeletal muscle cross-sectional area (CSA) and density (SMD) on routine CT. METHODS: CSA and SMD were computed on 216 axial CT images obtained at the L3 level in 72 patients with variations in IV contrast, slice thickness and tube current. Intra-patient mean difference (MD), 95 % CI and limits of agreement were calculated using the Bland-Altman approach. Inter- and intra-analyst agreement was evaluated...
January 9, 2018: European Radiology
https://www.readbyqxmd.com/read/29318424/pasireotide-does-not-improve-efficacy-of-aspiration-sclerotherapy-in-patients-with-large-hepatic-cysts-a-randomized-controlled-trial
#19
Titus F M Wijnands, Tom J G Gevers, Marten A Lantinga, René H Te Morsche, Leo J Schultze Kool, Joost P H Drenth
OBJECTIVES: We tested whether complementary use of the somatostatin analogue pasireotide would augment efficacy of aspiration sclerotherapy of hepatic cysts. METHODS: We conducted a double-blind, placebo-controlled trial in patients who underwent aspiration sclerotherapy of a large (>5 cm) symptomatic hepatic cyst. Patients were randomized to either intramuscular injections of pasireotide 60 mg long-acting release (n = 17) or placebo (sodium chloride 0.9 %, n = 17)...
January 9, 2018: European Radiology
https://www.readbyqxmd.com/read/29318423/demystifying-liver-iron-concentration-measurements-with-mri
#20
B Henninger
This Editorial comment refers to the article: Non-invasive measurement of liver iron concentration using 3-Tesla magnetic resonance imaging: validation against biopsy. D'Assignies G, et al. Eur Radiol Nov 2017. KEY POINTS: • MRI is a widely accepted reliable tool to determine liver iron concentration. • MRI cannot measure iron directly, it needs calibration. • Calibration curves for 3.0T are rare in the literature. • The study by d'Assignies et al. provides valuable information on this topic...
January 9, 2018: European Radiology
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