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Clinical Radiology

B T Yang, Y Z Wang, F R Sun, J Y Dong
AIM: To investigate the key imaging points in distinguishing ossifying inverted papilloma (IP) from polyps. MATERIALS AND METHODS: The native computed tomography (CT), conventional and enhanced MRI manifestations of 20 ossifying IPs and eight polyps, which were confirmed histopathologically, were retrospectively evaluated by two doctors majoring in head and neck imaging. RESULTS: A significant difference was detected between the two entities for the involved sites (p<0...
October 20, 2016: Clinical Radiology
H Bao, C Wu, S Wang, G Wang, X Zhang, X Zhang, L Wu
AIM: To investigate the applicability of diffusion-weighted magnetic resonance neurography (DW-MRN) in the diagnosis of carpal tunnel syndrome (CTS). MATERIALS AND METHODS: In total, 47 patients with CTS (69 wrists) and 19 normal participants (38 wrists) was included in this study. Cross-sectional area (CSA) and apparent diffusion coefficient (ADC) values of the median nerves in the carpal tunnel were determined using DW-MRN. Receiver operating characteristic (ROC) analysis was performed...
October 19, 2016: Clinical Radiology
H Patel, S Swinson, K Johnson
AIM: To re-assess the content and quality of skeletal surveys performed in the investigation of non-accidental injury following the publication of nationally agreed guidelines produced jointly by the Royal College of Radiologists and the Royal College of Paediatrics and Child Health in 2008. MATERIALS AND METHODS: One hundred consecutive skeletal surveys performed in England, which were sent to a tertiary paediatric hospital for a second opinion, were reviewed for their content and quality...
October 19, 2016: Clinical Radiology
L Naffaa, M Rubin, A C Stamler, M Haddad, C Saade
AIM: To investigate the frequency of sonographic findings that required neurosurgical consultation for all referred outpatients suspected to have benign macrocrania (BMC). MATERIALS AND METHODS: A retrospective review was performed from September 2011 until June 2015 for all outpatients referred to the ultrasound (US) department for BMC. Electronic medical records, US images, and reports were reviewed in conjunction with follow-up imaging. Each review consisted of gender, specialty of referring physician, first head circumference, head circumference at or closest to the time of the head US, the last head circumference, and any neurological issue prior to the US, at the time of US, or following the US, and clinical outcomes...
October 15, 2016: Clinical Radiology
R J Everett, M R Dweck, S Mirsadraee
No abstract text is available yet for this article.
October 13, 2016: Clinical Radiology
E Sala, E Mema, Y Himoto, H Veeraraghavan, J D Brenton, A Snyder, B Weigelt, H A Vargas
Tumour heterogeneity in cancers has been observed at the histological and genetic levels, and increased levels of intra-tumour genetic heterogeneity have been reported to be associated with adverse clinical outcomes. This review provides an overview of radiomics, radiogenomics, and habitat imaging, and examines the use of these newly emergent fields in assessing tumour heterogeneity and its implications. It reviews the potential value of radiomics and radiogenomics in assisting in the diagnosis of cancer disease and determining cancer aggressiveness...
October 11, 2016: Clinical Radiology
S S Kim, T W Kang, K D Song, S K Cho, M W Lee, H Rhim, D H Sinn, S-H Jung
AIM: To evaluate the efficacy of radiofrequency ablation (RFA) and transarterial chemoembolisation (TACE) as a first-line treatment for isolated intrahepatic recurrent hepatocellular carcinoma (IIR-HCC) after liver transplantation (LT). MATERIALS AND METHODS: This retrospective study was approved by the institutional review board. Between January 2005 and January 2015, 588 consecutive patients underwent LT for the treatment of HCC. Among them, 27 patients with IIR-HCCs after LT who were treated with RFA (n=6) or TACE (n=21) as a first-line treatment were retrospectively included in this study...
October 11, 2016: Clinical Radiology
P Whelehan, S H Heywang-Köbrunner, S J Vinnicombe, A Hacker, A Jänsch, A Hapca, R Gray, M Jenkin, K Lowry, R Oeppen, M Reilly, M Stahnke, A Evans
AIM: To compare the diagnostic accuracy of standard screening images plus single-view digital breast tomosynthesis (DBT), using Siemens DBT equipment, with standard screening images plus supplementary mammographic views in non-calcific, screen-detected mammographic abnormalities. MATERIALS AND METHODS: Participants were unselected women aged 50-69 years recalled within a population-based European breast screening programme for assessment of soft-tissue mammographic abnormalities...
October 10, 2016: Clinical Radiology
M K Hayer, C J Ferro, J N Townend, R P Steeds, N C Edwards
No abstract text is available yet for this article.
October 9, 2016: Clinical Radiology
C Sofia, C Magno, S Silipigni, V Cantisani, G Mucciardi, F Sottile, A Inferrera, S Mazziotti, G Ascenti
AIM: To evaluate the precision of the centrality index (CI) measurement on three-dimensional (3D) volume rendering technique (VRT) images in patients with renal masses, compared to its standard measurement on axial images. MATERIALS AND METHODS: Sixty-five patients with renal lesions underwent contrast-enhanced multidetector (MD) computed tomography (CT) for preoperative imaging. Two readers calculated the CI on two-dimensional axial images and on VRT images, measuring it in the plane that the tumour and centre of the kidney were lying in...
October 8, 2016: Clinical Radiology
E Shim, J W Lee, E Lee, T Im, Y Kang, J M Ahn, H S Kang
AIM: To evaluate the efficacy of facet joint injection (FJI) for patients with lumbar central canal stenosis (LCS) in comparison with epidural steroid injection (ESI) in the same individuals. MATERIAL AND METHODS: Two hundred and fifty-two patients who underwent both FJI and ESI for LCS between January 2014 and December 2014 were considered for enrolment in the study. A radiologist retrospectively conducted a chart review and recorded which injection was chosen as the third injection after sequential injections of FJI and ESI, and why clinicians chose the particular injection method...
October 8, 2016: Clinical Radiology
M S Igra, D J A Connolly
No abstract text is available yet for this article.
October 7, 2016: Clinical Radiology
P De Visschere, N Lumen, P Ost, K Decaestecker, E Pattyn, G Villeirs
AIM: To determine the added value of dynamic contrast-enhanced imaging (DCE) over T2-weighted imaging (T2-WI) and diffusion-weighted imaging (DWI) for detection of clinically significant prostate cancer (csPC) in patients with elevated prostate-specific antigen (PSA). METHODS AND MATERIALS: Two hundred and forty-five patients with elevated PSA underwent multiparametric (mp) magnetic resonance imaging (MRI) of the prostate before biopsy. mpMRI was performed using a 3 T MRI system without an endorectal coil...
October 7, 2016: Clinical Radiology
N W Dobbs, M J Budak, J R Weir-McCall, S J Vinnicombe, I A Zealley
No abstract text is available yet for this article.
October 7, 2016: Clinical Radiology
Y Mao, I S De Oliveira, S Hedgire, D Prapruttam, M Harisinghani
AIM: To evaluate the aetiology, imaging features, and the evolution of spontaneous perirenal haemorrhage detected by imaging. MATERIALS AND METHODS: In this retrospective study, the hospital database was searched for all cases of spontaneous perinephric haemorrhage detected by imaging between January 2000 and December 2012. Imaging examinations were reviewed and the following parameters were recorded: the location, extension, and total volume of the haematoma, presence of active extravasation, the haematocrit effect, and highest density...
October 6, 2016: Clinical Radiology
W H Nijhof, M M Jansen, G J Jager, C H Slump, M J C M Rutten
AIM: To investigate the feasibility of using a low-concentration test bolus in abdominal aorta computed tomography (CT) angiography (CTA). MATERIALS AND METHODS: In 10 patients referred for CTA of the abdominal aorta with a body mass index (BMI) ≤28 kg/m(2), a standard test bolus of 10 ml contrast medium (CM; 350 mg iodine/ml) was compared with a low-concentration test bolus (5 ml CM; 350 mg iodine/ml; 1:1 diluted with saline) in terms of time to peak enhancement (tPE) and peak enhancement (PE)...
October 5, 2016: Clinical Radiology
N A Koontz, T A Seltman, S F Kralik, K M Mosier, H R Harnsberger
Radiologists have long relied upon the use of metaphoric imaging signs to attribute meaning to disease or anatomy-specific imaging patterns encountered in clinical imaging. Teachers of radiology often employ the use of such signs to help learners rapidly identify the typical appearance of various pathologies. Head and neck (H&N) imaging is no exception, and as a specialty that deals with uncommon pathologies and complex anatomy, learners and practising radiologists alike may benefit from this simplistic, pattern-based approach...
October 3, 2016: Clinical Radiology
C Wang, D Ren, Y Guo, Y Xu, Y Feng, X Zhang, Y Mei, M Chen, X Xiao
AIM: To compare intravoxel incoherent motion (IVIM) magnetic resonance imaging (MRI)-derived true diffusion (D) and perfusion fraction (f)-values of the two hemispheres to detect the presence of asymmetrical differences. MATERIALS AND METHODS: Forty-seven healthy right-handed volunteers were assessed using IVIM imaging. The interhemispheric D- and f-values were compared using paired t-tests and two related-samples Wilcoxon's test. RESULTS: Comparison of the interhemispheric D- and f-values of the grey matter revealed a significant difference in the D-value of the frontal lobe and the f-value of the temporal lobe (p=0...
October 3, 2016: Clinical Radiology
Y J Park, M J Kim, H J Moon, E-K Kim, J H Yoon
AIM: To evaluate the role of ultrasound (US) following magnetic resonance imaging (MRI) and mammography in patients with newly diagnosed breast cancers by assessing the additional cancer detection rate of US. MATERIAL AND METHODS: Two hundred and twenty-five women who had undergone 225 MRI examinations followed by US were included. An US-detected additional cancer was defined as a lesion detected using breast US that had not been detected by MRI, and which was shown to be malignant at histopathology...
October 3, 2016: Clinical Radiology
C Pozzessere, K K Porter, I R Kamel
No abstract text is available yet for this article.
September 26, 2016: Clinical Radiology
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