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European Journal of Radiology

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https://www.readbyqxmd.com/read/28069337/erratum-to-non-palpable-incidentally-found-testicular-tumors-differentiation-between-benign-malignant-and-burned-out-tumors-using-dynamic-contrast-enhanced-mri-eur-j-radiol-85-11-2016-2072-2082
#1
Imane El Sanharawi, Jean-Michel Correas, Ludivine Glas, Sophie Ferlicot, Vincent Izard, Béatrice Ducot, Marie-France Bellin, Gérard Benoît, Laurence Rocher
No abstract text is available yet for this article.
January 6, 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28034566/erratum-to-biparametric-3t-magnetic-resonance-imaging-for-prostatic-cancer-detection-in-a-biopsy-na%C3%A3-ve-patient-population-a-further-improvement-of-pi-rads-v2-eur-j-radiol-85-12-2016-2269-2274
#2
Arnaldo Stanzione, Massimo Imbriaco, Sirio Cocozza, Ferdinando Fusco, Giovanni Rusconi, Carmela Nappi, Vincenzo Mirone, Francesco Mangiapia, Arturo Brunetti, Alfonso Ragozzino, Nicola Longo
No abstract text is available yet for this article.
December 26, 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/28034569/evaluation-of-hepatocellular-carcinoma-tumor-vascularity-using-contrast-enhanced-ultrasonography-as-a-predictor-for-local-recurrence-following-radiofrequency-ablation
#3
Tomohiro Ishii, Kazushi Numata, Yoshiteru Hao, Nobutaka Doba, Koji Hara, Masaaki Kondo, Katsuaki Tanaka, Shin Maeda
PURPOSE: The purpose of this study was to evaluate whether the hypervascularity of hepatocellular carcinomas (HCCs) on contrast-enhanced ultrasonography (CEUS) prior to radiofrequency ablation (RFA) is a significant risk factor for local recurrence after RFA. MATERIALS AND METHODS: Institutional review board approval and informed consent were obtained. Overall, 208 patients (mean age, 71.7 years; range, 50-87 years; 137 men, 71 women) with 282 HCCs treated with RFA were analyzed retrospectively...
December 21, 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/28034568/efficacy-and-safety-of-balloon-pulmonary-angioplasty-for-chronic-thromboembolic-pulmonary-hypertension-guided-by-cone-beam-computed-tomography-and-electrocardiogram-gated-area-detector-computed-tomography
#4
Takeshi Ogo, Tetsuya Fukuda, Akihiro Tsuji, Shigefumi Fukui, Jin Ueda, Yoshihiro Sanda, Yoshiaki Morita, Ryotaro Asano, Nao Konagai, Satoshi Yasuda
BACKGROUND: Chronic thromboembolic pulmonary hypertension (CTEPH) is a disease characterized by chronic obstructive thrombus and pulmonary hypertension. Balloon pulmonary angioplasty (BPA), an emerging alternative catheter-based treatment for inoperable patients with CTEPH, has not yet been standardised, especially for lesion assessment in distal pulmonary arteries. Recent advancement in computed tomography enables distal CTEPH lesions to be visualized. METHODS: We retrospectively studied 80 consecutive patients with inoperable CTEPH who received BPA guided by cone-beam computed tomography (CT) (CBCT) or electrocardiogram (ECG)-gated area detector CT (ADCT) for target lesion assessment...
December 21, 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/28089245/diagnostic-accuracy-of-postmortem-imaging-vs-autopsy-a-systematic-review
#5
REVIEW
Anders Eriksson, Torfinn Gustafsson, Malin Höistad, Monica Hultcrantz, Stella Jacobson, Ingegerd Mejare, Anders Persson
Background Postmortem imaging has been used for more than a century as a complement to medico-legal autopsies. The technique has also emerged as a possible alternative to compensate for the continuous decline in the number of clinical autopsies. To evaluate the diagnostic accuracy of postmortem imaging for various types of findings, we performed this systematic literature review. Data sources The literature search was performed in the databases PubMed, Embase and Cochrane Library through January 7, 2015. Relevant publications were assessed for risk of bias using the QUADAS tool and were classified as low, moderate or high risk of bias according to pre-defined criteria...
December 7, 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/28065382/energy-efficiency-and-pulmonary-artery-flow-after-balloon-pulmonary-angioplasty-for-inoperable-chronic-thromboembolic-pulmonary-hypertension-analysis-by-phase-contrast-mri
#6
Michinobu Nagao, Yuzo Yamasaki, Kohtaro Abe, Kazuya Hosokawa, Satoshi Kawanami, Takeshi Kamitani, Torahiko Yamanouchi, Hidetake Yabuuchi, Kenji Fukushima, Hiroshi Honda
PURPOSE: The aims of this study were to propose a new quantitative method for pulmonary artery (PA) flow energetics using phase-contrast magnetic resonance imaging (PC-MRI), and to investigate how balloon pulmonary angioplasty (BPA) impacts energetics in chronic thromboembolic pulmonary hypertension (CTEPH). MATERIALS AND METHODS: PC-MRI at 3-Teslar and with a flow sensitive gradient echo was used to examine energetics prior to and following BPA for 24 CTEPH patients...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065381/the-contribution-of-3d-quantitative-meniscal-and-cartilage-measures-to-variation-in-normal-radiographic-joint-space-width-data-from-the-osteoarthritis-initiative-healthy-reference-cohort
#7
Melanie Roth, Wolfgang Wirth, Katja Emmanuel, Adam G Culvenor, Felix Eckstein
OBJECTIVE: To explore to what extent three-dimensional measures of the meniscus and femorotibial cartilage explain the variation in medial and lateral femorotibial radiographic joint space width (JSW), in healthy men and women. METHODS: The right knees of 87 Osteoarthritis Initiative healthy reference participants (no symptoms, radiographic signs or risk factors of osteoarthritis; 37 men, 50 women; age 55.0±7.6; BMI 24.4±3.1) were assessed. Quantitative measures of subregional femorotibial cartilage thickness and meniscal position and morphology were computed from segmented magnetic resonance images...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065380/iterative-model-reconstruction-reduces-calcified-plaque-volume-in-coronary-ct-angiography
#8
Mihály Károlyi, Bálint Szilveszter, Márton Kolossváry, Richard A P Takx, Csilla Celeng, Andrea Bartykowszki, Ádám L Jermendy, Alexisz Panajotu, Júlia Karády, Rolf Raaijmakers, Walter Giepmans, Béla Merkely, Pál Maurovich-Horvat
OBJECTIVE: To assess the impact of iterative model reconstruction (IMR) on calcified plaque quantification as compared to filtered back projection reconstruction (FBP) and hybrid iterative reconstruction (HIR) in coronary computed tomography angiography (CTA). METHODS: Raw image data of 52 patients who underwent 256-slice CTA were reconstructed with IMR, HIR and FBP. We evaluated qualitative, quantitative image quality parameters and quantified calcified and partially calcified plaque volumes using automated software...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065379/selection-of-peripheral-intravenous-catheters-with-24-gauge-side-holes-versus-those-with-22-gauge-end-hole-for-mdct-a-prospective-randomized-study
#9
Akio Tamura, Kenichi Kato, Masayoshi Kamata, Tomohiro Suzuki, Michiko Suzuki, Manabu Nakayama, Makiko Tomabechi, Tatsuhiko Nakasato, Shigeru Ehara
PURPOSE: To compare the 24-gauge side-holes catheter and conventional 22-gauge end-hole catheter in terms of safety, injection pressure, and contrast enhancement on multi-detector computed tomography (MDCT). MATERIALS & METHODS: In a randomized single-center study, 180 patients were randomized to either the 24-gauge side-holes catheter or the 22-gauge end-hole catheter groups. The primary endpoint was safety during intravenous administration of contrast material for MDCT, using a non-inferiority analysis (lower limit 95% CI greater than -10% non-inferiority margin for the group difference)...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065378/difference-in-diaphragmatic-motion-during-tidal-breathing-in-a-standing-position-between-copd-patients-and-normal-subjects-time-resolved-quantitative-evaluation-using-dynamic-chest-radiography-with-flat-panel-detector-system-dynamic-x-ray-phrenicography
#10
Yoshitake Yamada, Masako Ueyama, Takehiko Abe, Tetsuro Araki, Takayuki Abe, Mizuki Nishino, Masahiro Jinzaki, Hiroto Hatabu, Shoji Kudoh
OBJECTIVES: To quantitatively compare diaphragmatic motion during tidal breathing in a standing position between chronic obstructive pulmonary disease (COPD) patients and normal subjects using dynamic chest radiography. MATERIALS AND METHODS: Thirty-nine COPD patients (35 males; age, 71.3±8.4years) and 47 normal subjects (non-smoker healthy volunteers) (20 males; age, 54.8±9.8years) underwent sequential chest radiographs during tidal breathing using dynamic chest radiography with a flat panel detector system...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065377/prognostic-value-of-computed-tomography-pulmonary-angiography-indices-in-patients-with-cancer-related-pulmonary-embolism-data-from-a-multicenter-cohort-study
#11
Juana María Plasencia-Martínez, Alberto Carmona-Bayonas, David Calvo-Temprano, Paula Jiménez-Fonseca, Francisco Fenoy, Mariana Benegas, Marcelo Sánchez, Carme Font, Diego Varona, David Martínez de la Haza, Jesús Pueyo, Mercè Biosca, Maite Antonio, Carmen Beato, Pilar Solís, Laura Fáez, Irma de Al Haba, Susana Hernández-Muñiz, Olga Madridano, Mar Martín, Eduardo Castañón, Avinash Ramchandani, Pablo Marchena, Manuel Sánchez-Cánovas, María Ángeles Vicente, Mari José Martínez, Ángela Fernández-Plaza, Lourdes Martínez-Encarnación, Alejandro Puerta, Ángel Domínguez, Daniel Rodríguez, Gema Marín, Remedios Otero, Fernando Sánchez-Lasheras, Vicente Vicente
OBJECTIVE: To analyze the prognostic value of pulmonary artery obstruction versus right-ventricle (RV) dysfunction radiologic indices in cancer-related pulmonary embolism (PE). METHODS: We enrolled 303 consecutive patients with paraneoplastic PE, evaluated by computed tomography pulmonary angiography (CTPA) between 2013 and 2014. The primary outcome measure was serious complications at 15days. Multivariate analyses were conducted by using binary logistic and robust regressions...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065376/dual-energy-ct-virtual-non-calcium-technique-for-detection-of-bone-marrow-edema-in-patients-with-vertebral-fractures-a-prospective-feasibility-study-on-a-single-source-volume-ct-scanner
#12
T Diekhoff, K G Hermann, M Pumberger, B Hamm, M Putzier, M Fuchs
OBJECTIVES: Dual-energy computed tomography (DECT) is a recent development for detecting bone marrow edema (BME) in patients with vertebral compression fractures. The aim of this pilot study was to determine the reliability of single-source DECT in detecting vertebral BME using magnetic resonance imaging (MRI) as standard of reference. MATERIALS AND METHODS: Nine patients with radiographic thoracic or lumbar vertebral compression fractures underwent both, DECT on a 320-row single-source scanner and 1...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065375/accessory-spleen-versus-lymph-node-value-of-iodine-quantification-with-dual-energy-computed-tomography
#13
Sebastian Winklhofer, Wei-Ching Lin, Jack W Lambert, Benjamin M Yeh
OBJECTIVES: To evaluate whether iodine quantification with Dual-Energy Computed Tomography (DECT) improves the differentiation of accessory spleens (AS) from lymph nodes (LN) compared to CT number measurements. METHODS: Abdominal DECT images of 75 patients with either AS (n=35) or LN (n=48) (benign entity) were retrospectively evaluated. Hounsfield Units (HU) and iodine concentrations of AS, LN and the main spleen were measured. Receiver operating characteristics (ROC) were performed to calculate an optimal threshold for distinguishing AS from LN...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065374/predictive-value-of-ct-for-first-esophageal-variceal-bleeding-in-patients-with-cirrhosis-value-of-para-umbilical-vein-patency
#14
Paul Calame, Maxime Ronot, Sébastien Bouveresse, Jean-Paul Cervoni, Valérie Vilgrain, Éric Delabrousse
PURPOSE: To evaluate if the presence/size of a para-umbilical vein (PUV) on computed tomography (CT) are associated with a first esophageal variceal hemorrhage (EVH) in patients with cirrhosis and whether imaging features can help identify patients at increased risk of EVH. MATERIALS AND METHODS: From January 2010 to June 2012 patients with cirrhosis who underwent CT and upper gastrointestinal endoscopy within six months were included. The presence/size of PUV was noted...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065373/parietal-pleural-invasion-adhesion-of-subpleural-lung-cancer-quantitative-4-dimensional-ct-analysis-using-dynamic-ventilatory-scanning
#15
Kotaro Sakuma, Tsuneo Yamashiro, Hiroshi Moriya, Sadayuki Murayama, Hiroshi Ito
PURPOSE: Using 4-dimensional dynamic-ventilatory scanning by a 320-row computed tomography (CT) scanner, we performed a quantitative assessment of parietal pleural invasion and adhesion by peripheral (subpleural) lung cancers. METHODS: Sixteen patients with subpleural lung cancer underwent dynamic-ventilation CT during free breathing. Neither parietal pleural invasion nor adhesion was subsequently confirmed by surgery in 10 patients, whereas the other 6 patients were judged to have parietal pleural invasion or adhesion...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065372/dynamic-high-resolution-ultrasound-of-intrinsic-and-extrinsic-ligaments-of-the-wrist-how-to-make-it-simple
#16
REVIEW
Salvatore Gitto, Carmelo Messina, Giovanni Mauri, Alberto Aliprandi, Francesco Sardanelli, Luca Maria Sconfienza
Wrist ligaments are crucial structures for the maintenance of carpal stability. They are classified into extrinsic ligaments, connecting the carpus with the forearm bones or distal radioulnar ligaments, and intrinsic ligaments, entirely situated within the carpus. Lesions of intrinsic and extrinsic ligaments of the wrist have been demonstrated to occur largely, mostly in patients with history of trauma and carpal instability, or rheumatoid arthritis. Ultrasound allows for rapid, cost-effective, non-invasive and dynamic evaluation of the wrist, and may represent a valuable diagnostic tool...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065371/real-t1-relaxation-time-measurement-and-diurnal-variation-analysis-of-intervertebral-discs-in-a-healthy-population-of-50-volunteers
#17
J Galley, G Maestretti, G Koch, H-M Hoogewoud
PURPOSE: To measure the real T1 relaxation time of the lumbar intervertebral discs in a young and healthy population, using different inversion recovery times, and assess diurnal variation. MATERIAL AND METHODS: Intervertebral discs from D12 to S1 of 50 healthy volunteers from 18 to 25 years old were evaluated twice the same day, in the morning and in the late afternoon. Dedicated MRI sequences with different inversion recovery times (from 100 to 2500ms) were used to calculate the real T1 relaxation time...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065370/a-new-qualitative-pattern-classification-of-shear-wave-elastograghy-for-solid-breast-mass-evaluation
#18
Rui Cong, Jing Li, Song Guo
OBJECTIVES: To examine the efficacy of qualitative shear wave elastography (SWE) in the classification and evaluation of solid breast masses, and to compare this method with conventional ultrasonograghy (US), quantitative SWE parameters and qualitative SWE classification proposed before. METHODS: From April 2015 to March 2016, 314 consecutive females with 325 breast masses who decided to undergo core needle biopsy and/or surgical biopsy were enrolled. Conventional US and SWE were previously performed in all enrolled subjects...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065369/the-stratification-of-severity-of-acute-radiation-proctopathy-after-radiotherapy-for-cervical-carcinoma-using-diffusion-weighted-mri
#19
Xiang Sheng Li, Hong Fang, Yunlong Song, Dechang Li, Yingjie Wang, Hongxian Zhu, Limin Meng, Ping Wang, Dong Wang, Hongxia Fan
OBJECTIVE: To determine whether diffusion-weighted imaging (DWI) can be used for quantitatively evaluating severity of acute radiation proctopathy after radiotherapy for cervical carcinoma. MATERIALS AND METHODS: One hundred and twenty-four patients with cervical carcinoma underwent MR examination including DWI before and after radiotherapy. Acute radiation proctopathy was classified into three groups (grade 0, grade I-II and grade III-IV) according to Toxicity Criteria of the Radiation Therapy Oncology Group (RTOG)...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28065368/a-randomised-clinical-trial-of-routine-versus-selective-ct-imaging-in-acute-abdomen-impact-of-patient-age-on-treatment-costs-and-hospital-resource-use
#20
Tiina T Lehtimäki, Hannu Valtonen, Pekka Miettinen, Petri Juvonen, Hannu Paajanen, Ritva Vanninen
OBJECTIVES: To evaluate the impact of patient age on hospital resource use and treatment costs of acute abdominal pain (AAP). MATERIALS AND METHODS: A total of 300 adult patients with AAP were randomised to either computed tomography (CT, n=150) or selective imaging practice (SIP, n=150) groups. Final analysis included 254 patients, 143 (42 patients ≥65years) in the CT and 111 (32 patients ≥65years) in the SIP group. All CT group patients underwent abdominal CT whereas in the SIP group, imaging was based on the clinical assessment...
February 2017: European Journal of Radiology
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