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European Journal of Radiology Open

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https://www.readbyqxmd.com/read/29159208/a-rare-presentation-of-spigelian-hernia-involving-the-appendix
#1
Ling Xu, Gurjeet Dulku, Richard Ho
Spigelian hernia (SH) is a rare entity accounting for 1-2% of ventral abdominal wall hernias. Elusive clinical signs and symptoms pose a diagnostic challenge and a consequent risk of strangulation. We present an emergent case of a Spigelian hernia involving the appendix.
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/29159207/primary-breast-chondrosarcoma-imaging-and-pathological-findings
#2
Antonio Matteo Amadu, Daniela Soro, Vincenzo Marras, Giulia Satta, Paola Crivelli, Maurizio Conti, Giovanni Battista Meloni
We present the case of a 62 year-old woman who was admitted to our institute of radiological sciences for a breast mass developed in the last few months. The final diagnosis was primary breast chondrosarcoma and the surgical treatment performed, based on imaging and pathological findings, was the mastectomy.
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/29159206/influence-of-patient-position-and-other-inherent-factors-on-image-quality-in-two-different-cone-beam-computed-tomography-cbct-devices
#3
Ninita Lindfors, Henrik Lund, Hans Johansson, Annika Ekestubbe
Objectives: The aim of this in vitro study was to evaluate how a deviation from the horizontal plane, affects the image quality in two different CBCT-devices. Methods: A phantom head SK150 (RANDO, The Phantom Laboratory, Salem, NY, USA) was examined in two CBCT-units: Accuitomo 80 and Veraviewepocs 3D R100 (J. Morita Mfg. Corp. Kyoto, Japan). The phantom head was placed with the hard palate parallel to the horizontal plane and tilted 20 ° backwards. Exposures were performed with different field of views (FOVs), voxel sizes, slice thicknesses and exposure settings...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/29034283/endovenous-laser-ablation-of-spermatic-vein-for-the-treatment-of-varicocele
#4
Antonio Basile, Alessandro Motta, Giovanni Failla, Giuseppe Caltabiano, Marco Pizzarelli, Cecilia Gozzo, Davide Castiglione, Stefano Palmucci
INTRODUCTION: Varicocele is a relatively complex pathology of the scrotum veins', known to be one of the easiest to treat. Modern treatment involves both surgical (open, laparoscopic and microsurgery) and interventional approach (either with coils and/or sclerosant injection). Our aim is to demonstrate the feasibility and the reliability of endovenous laser ablation (EVLA) of the spermatic vein for the treatment of varicocele. MATERIALS AND METHODS: We consecutively and prospectively treated 11 patients (age range 24-45 years old, mean 31y) with left varicocele, phlebografically classified as Bahren type I and with indication for percutaneous treatment...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/29034282/differentiation-of-prostate-cancer-lesions-in-the-transition-zone-by-diffusion-weighted-mri
#5
Jie Bao, Ximing Wang, Chunhong Hu, Jianquan Hou, Fenglin Dong, Lingchuan Guo
OBJECTIVE: To differentiate prostate cancer lesions in transition zone by diffusion-weighted-MRI (DW-MRI). METHODS: Data from a total of 63 patients who underwent preoperative DWI (b of 0-1000 s/mm(2)) were prospectively collected and processed by a monoexponential (DWI) model and compared with a biexponential (IVIM) model for quantitation of apparent diffusion coefficients (ADCs), perfusion fraction f, diffusivity D and pseudo-diffusivity D*. Histogram analyses were performed by outlining entire-tumor regions of interest (ROIs)...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/29034281/systematic-review-of-the-safety-and-efficacy-of-contrast-injection-via-venous-catheters-for-contrast-enhanced-computed-tomography
#6
REVIEW
S B Buijs, M W Barentsz, M L J Smits, J W C Gratama, P E Spronk
OBJECTIVE: To examine the safety and efficacy of contrast injection through a central venous catheter (CVC) for contrast-enhanced computed tomography (CECT). METHODS: A systematic literature search was performed using PubMed. Studies were deemed eligible if they reported on the use of CVCs for contrast administration. Selected articles were assessed for their relevance and risk of bias. Articles with low relevance and high risk of bias or both were excluded. Data from included articles was extracted...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28932768/hepatic-adenomatosis-in-liver-cirrhosis
#7
Sonja Gordic, Swan N Thung, Sasan Roayaie, Mathilde Wagner, Bachir Taouli
Hepatocellular adenoma (HCA) is a benign liver tumor most frequently occurring in women using oral contraception. HCA develops in normal or nearly normal livers and is extremely rare in cirrhosis. The authors present magnetic resonance imaging and histopathologic findings in a 57-year-old man with liver cirrhosis and hepatic adenomatosis. As the differentiation between HCA and hepatocellular carcinoma (HCC) can be difficult with imaging, we would like to highlight the importance of ancillary findings such as the presence of iron on MRI, which can be observed in HCA...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28932767/patient-specific-workup-of-adrenal-incidentalomas
#8
REVIEW
Romy R de Haan, Johannes B R Visser, Ewoud Pons, Richard A Feelders, Uzay Kaymak, M G Myriam Hunink, Jacob J Visser
PURPOSE: : To develop a clinical prediction model to predict a clinically relevant adrenal disorder for patients with adrenal incidentaloma. MATERIALS AND METHODS: : This retrospective study is approved by the institutional review board, with waiver of informed consent. Natural language processing is used for filtering of adrenal incidentaloma cases in all thoracic and abdominal CT reports from 2010 till 2012. A total of 635 patients are identified. Stepwise logistic regression is used to construct the prediction model...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28861437/saccular-kommerell-aneurysm-a-potential-pitfall-on-mdct-imaging-a-review-of-imaging-features-and-potential-mimics
#9
REVIEW
Hui Lin Wong, Charlene Jin Yee Liew, Angeline Choo Choo Poh
Saccular Kommerell aneurysm represents a potential pitfall on Multidetector CT (MDCT) imaging, mimicking conditions such as saccular aneurysm of the thoracic aorta, ductus diverticulum and dilated Kommerell diverticulum. Accurate diagnosis of this condition is critical in the management of this potentially fatal condition. This paper reviews the MDCT imaging features of Kommerell aneurysms and its mimics and demonstrates how to make an accurate diagnosis through a series of four cases. MDCT features of Kommerell aneurysms, either saccular or fusiform types arising from a Kommerell diverticulum with atherosclerotic plaque and mural thrombus are discussed...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28856177/intravoxel-incoherent-motion-ivim-histogram-biomarkers-for-prediction-of-neoadjuvant-treatment-response-in-breast-cancer-patients
#10
Gene Y Cho, Lucas Gennaro, Elizabeth J Sutton, Emily C Zabor, Zhigang Zhang, Dilip Giri, Linda Moy, Daniel K Sodickson, Elizabeth A Morris, Eric E Sigmund, Sunitha B Thakur
OBJECTIVE: To examine the prognostic capabilities of intravoxel incoherent motion (IVIM) metrics and their ability to predict response to neoadjuvant treatment (NAT). Additionally, to observe changes in IVIM metrics between pre- and post-treatment MRI. METHODS: This IRB-approved, HIPAA-compliant retrospective study observed 31 breast cancer patients (32 lesions). Patients underwent standard bilateral breast MRI along with diffusion-weighted imaging before and after NAT...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28761907/feasibility-and-reproducibility-of-liver-surface-nodularity-quantification-for-the-assessment-of-liver-cirrhosis-using-ct-and-mri
#11
Grace C Lo, Cecilia Besa, Michael J King, Martin Kang, Ashley Stueck, Swan Thung, Mathilde Wagner, Andrew D Smith, Bachir Taouli
PURPOSE: To assess intra-observer, inter-observer and inter-modality (CT vs. MRI) reproducibility of liver surface nodularity (LSN) scores measured with software used for detection of liver fibrosis. METHODS: This IRB-approved retrospective study included patients with both abdominal CT and MRI within 6 months of histopathologic sampling. Two independent observers used post-processing software to quantify LSN scores on axial non-contrast CT (NCT), axial contrast-enhanced CT (CECT), axial T2-weighted (T2W) HASTE, and axial and coronal post-gadoxetic acid T1-weighted (T1W) images obtained during the hepatobiliary phase (HBP)...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28725661/assessment-of-stereotactic-radiosurgery-treatment-response-for-brain-metastases-using-mri-based-diffusion-index
#12
Zengai Chen, Jinyan Zu, Lei Li, Xiaojie Lu, Jianming Ni, Jianrong Xu
INTRODUCTION: To investigate the clinical predictive values of the apparent diffusion coefficient (ADC) as a biomarker in radiation response of brain metastases. METHOD: Forty-one patients with brain metastases treated with stereotactic radiosurgery (SRS) were imaged at baseline, one month post SRS, and six months post SRS using diffusion weighted MRI. The mean of ADC for metastases and tumor volume was calculated. A diffusion index (DI) was generated using the sum of 1/ADC among all the voxels in a tumor...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28702479/image-quality-and-contrast-agent-exposure-in-cardiac-computed-tomography-angiography-prior-to-transcatheter-aortic-valve-implantation-procedures-using-different-acquisition-protocols
#13
Nina P Hofmann, Moritz Schuetz, Raffi Bekeredjian, Sven Pleger, Emanuel Chorianopoulos, Sorin Giusca, Florian André, Gitsios Gitsioudis, Christopher Schlett, Hans-Ulrich Kauczor, Hugo A Katus, Grigorios Korosoglou
BACKGROUND: ECG-gated cardiac computed tomography angiography (CCTA) has found widespread use for prosthesis sizing before transcatheter aortic valve implantation (TAVI). However, still little data exists on the optimal scan-strategy in such patients. We hypothesized that prospectively triggered CCTA can enable the visualization of aortic valve structures and peripheral arteries with lower radiation and contrast agent exposure in patients considered for TAVI compared to retrospectively gated protocols...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28616448/adaptive-statistical-iterative-reconstruction-improves-image-quality-without-affecting-perfusion-ct-quantitation-in-primary-colorectal-cancer
#14
D Prezzi, V Goh, S Virdi, S Mallett, C Grierson, D J Breen
OBJECTIVES: To determine the effect of Adaptive Statistical Iterative Reconstruction (ASIR) on perfusion CT (pCT) parameter quantitation and image quality in primary colorectal cancer. METHODS: Prospective observational study. Following institutional review board approval and informed consent, 32 patients with colorectal adenocarcinoma underwent pCT (100 kV, 150 mA, 120 s acquisition, axial mode). Tumour regional blood flow (BF), blood volume (BV), mean transit time (MTT) and permeability surface area product (PS) were determined using identical regions-of-interests for ASIR percentages of 0%, 20%, 40%, 60%, 80% and 100%...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28540347/interdisciplinary-management-of-head-and-neck-vascular-anomalies-clinical-presentation-diagnostic-findings-and-minimalinvasive-therapies
#15
REVIEW
Maliha Sadick, Walter A Wohlgemuth, Roland Huelse, Bettina Lange, Thomas Henzler, Stefan O Schoenberg, Haneen Sadick
OBJECTIVES: Vascular anomalies are included in the 30 000 rare diseases worldwide affecting less than 5/10 000 people. Depending on their morphology and biological properties, they can cause varied disorders with organ involvement. Almost 60% of vascular anomalies have a predilection for the head and neck region in children. Clinical and scientific effort to establish interdisciplinary management concepts for vascular anomalies is increasing worldwide. METHODS: Especially in the head and neck region, clinical impairment and organ dysfunction is associated with cosmetic issues that may represent a physical and psychological issue for the patient...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28516133/transcatheter-arterial-chemoembolization-of-hepatocellular-carcinoma-in-patients-with-celiac-axis-occlusion-using-pancreaticoduodenal-arcade-as-a-challenging-alternative-route
#16
Noha M Attia, Moustafa H M Othman
INTRODUCTION: Celiac axis occlusion is a challenging condition when catheterization of the hepatic artery is required for chemoembolization of hepatocellular carcinoma (HCC). As a result, the hepatic artery has to be catheterized through the pancreaticoduodenal arcades (PDA) and the gastroduodenal artery (GDA) from the superior mesenteric artery (SMA) which is a tortuous course with acute angles and small caliber branches. OBJECTIVE: To assess new techniques for facilitating catheterization of the tortuous PDA and the GDA to reach the proper hepatic artery (PHA) and tumor-feeding branches in patients with celiac axis occlusion undergoing chemoembolization of HCC...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28508024/pilot-study-of-endoscopic-retrograde-3-dimensional-computed-tomography-enteroclysis-for-the-assessment-of-crohn-s-disease
#17
Hiroki Tanabe, Takahiro Ito, Yuhei Inaba, Katsuyoshi Ando, Yoshiki Nomura, Nobuhiro Ueno, Shin Kashima, Kentaro Moriichi, Mikihiro Fujiya, Toshikatsu Okumura
PURPOSE: Endoscopic retrograde ileography (ERIG) is developed in our institute and applied clinically for the diagnosis and assessment of the Crohn's disease activity. We have further improved the technique using 3-dimensional - computed tomography enteroclysis (3D-CTE) and conducted a retrospective study to determine the feasibility and the diagnostic value of endoscopic retrograde 3D-CTE (ER 3D-CTE) in Crohn's disease patients in a state of remission. METHODS: Thirteen Crohn's patients were included in this pilot study...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28459087/mri-rare-finding-absence-of-the-left-liver-lobe
#18
Isabella Ceravolo, Daniele Guerrieri, Marina De Vargas Macciucca, Flaminia De Cristofaro, Giuseppe Panzironi
We report a rare case of left liver lobe absence in an 80-year-old male patient discovered during an MRI scan. The main imaging features of this condition are briefly reviewed, together with its pathogenesis and the most common associations and differential diagnoses.
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28443292/measurements-of-metastatic-renal-cell-tumours-as-determined-by-diffusion-weighted-imaging-or-computed-tomography-are-in-close-agreement-a-pilot-study
#19
J Farnebo, C Suzuki, R Vargas-Paris, P Sandström, L Blomqvist
BACKGROUND: Diffusion weighted magnetic resonance imaging (DWI) provides both functional and anatomical information regarding tumours but can also be used for tumour detection. Today, tumour treatment response in clinical trials is mainly assessed on Computed Tomography (CT) using established criteria. Despite availability of dedicated software, CT still requires significant manual work for selection and measurement in treatment response evaluation of solid tumours. PURPOSE: To compare the maximum diameter of tumour lesions on CT with the corresponding measurements on diffusion weighted images...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28409175/ct-arthrography-of-adhesive-capsulitis-of-the-shoulder-are-mr-signs-applicable
#20
Milena Cerny, Patrick Omoumi, Ahmed Larbi, Daniel Manicourt, Anne Perozziello, Frederic E Lecouvet, Bruno Vande Berg, Benjamin Dallaudière
OBJECTIVE: To determine if diagnostic signs of adhesive capsulitis (AC) of the shoulder at Magnetic Resonance Imaging (MRI) and arthrography (MRA) are applicable to CT arthrography (CTA). METHODS: 22 shoulder CTAs with AC were retrospectively reviewed for features described in MR literature. The control group was composed of 83 shoulder CTA divided into four subgroups 1) normal (N = 20), 2) omarthrosis (N = 19), 3) labral injury (N = 23), and 4) rotator cuff tear (N = 21)...
2017: European Journal of Radiology Open
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