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Clinical Radiology

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https://www.readbyqxmd.com/read/27916195/imaging-features-predict-prognosis-of-patients-with-combined-hepatocellular-cholangiocarcinoma
#1
Y Mao, S Xu, W Hu, J Huang, J Wang, R Zhang, S Li
AIM: To evaluate the prognostic value of imaging patterns in combined hepatocellular-cholangiocarcinoma. MATERIALS AND METHODS: A total of 36 patients with histopathologically confirmed combined hepatocellular-cholangiocarcinoma were enrolled. Pretreatment imaging was conducted to evaluate the tumour enhancement patterns, based on which the disease was classified as two subtypes: radiographic hepatocellular carcinoma-dominant (n=26) and radiographic cholangiocarcinoma-dominant (n=10)...
December 1, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27912979/measuring-performance-in-the-interpretation-of-chest-radiographs-a-pilot-study
#2
Y Chen, J J James, L Dong, A G Gale
AIM: To develop a system to assess the image interpretation performance of radiologists in identifying signs of malignancy on chest radiographs. MATERIALS AND METHODS: A test set of 30 chest radiographs was chosen by an experienced radiologist consisting of 11 normal and 19 abnormal cases. The malignant cases all had biopsy-proven pathology; the normal and benign cases all had at least 2 years of imaging follow-up. Fourteen radiologists with a range of experiences were recruited...
November 29, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27908444/clinical-application-of-apparent-diffusion-coefficient-mapping-in-voxel-based-morphometry-in-the-diagnosis-of-alzheimer-s-disease
#3
H Takahashi, K Ishii, N Kashiwagi, Y Watanabe, H Tanaka, T Murakami, N Tomiyama
AIM: To evaluate the performance of apparent diffusion coefficient (ADC) mapping compared with voxel-based morphometry and to demonstrate the clinical usefulness of ADC mapping in the diagnosis of Alzheimer's disease (AD). MATERIALS AND METHODS: The study population comprised 31 patients with AD (group A) and 24 patients without dementia (group B) who underwent three-dimensional (3D) T1-weighted imaging (WI) and two-dimensional (2D) echo-planar diffusion-weighted imaging (DWI) at 3 T...
November 28, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27908443/a-retrospective-validation-study-of-three-models-to-estimate-the-probability-of-malignancy-in-patients-with-small-pulmonary-nodules-from-a-tertiary-oncology-follow-up-centre
#4
A Talwar, N M Rahman, T Kadir, L C Pickup, F Gleeson
AIM: To estimate the probability of malignancy in small pulmonary nodules (PNs) based on clinical and radiological characteristics in a non-screening population that includes patients with a prior history of malignancy using three validated models. MATERIALS AND METHODS: Retrospective data on clinical and radiological characteristics was collected from the medical records of 702 patients (379 men, 323 women; range 19-94 years) with PNs ≤12 mm in diameter at a single centre...
November 28, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27890422/treatment-efficacy-of-ct-guided-percutaneous-microwave-ablation-for-primary-hepatocellular-carcinoma
#5
T Yin, W Li, P Zhao, Y Wang, J Zheng
AIM: To evaluate the treatment efficacy and potential complications of computed tomography (CT)-guided microwave ablation for primary hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Data were collected and analysed from 220 HCC patients treated with CT-guided microwave ablation and followed up for 2 years. Independent risk factors for overall survival and progression-free survival (PFS) were analysed. RESULTS: Among all cases followed, the cumulative overall survival rates at 1 and 2 years were 95...
November 25, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27890423/hepatic-epithelioid-angiomyolipoma-clinical-features-and-imaging-findings-of-contrast-enhanced-ultrasound-and-ct
#6
Y Tan, X Xie, Y Lin, T Huang, G Huang
AIM: To evaluate the clinical features and imaging findings of epithelioid angiomyolipoma (EAML) on contrast-enhanced ultrasound (CEUS) and contrast-enhanced computed tomography (CECT). MATERIALS AND METHODS: During January 2006 to November 2015, six patients with histopathologically proven hepatic EAML were evaluated using both CECT and ultrasonography. Six patients underwent CEUS and four patients had CECT images. Patients' demographics, clinical presentations, laboratory test results, and imaging appearances were collected and analysed...
November 24, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27890421/contrast-enhanced-mdct-in-patients-with-pancreatic-neuroendocrine-tumours-correlation-with-histological-findings-and-diagnostic-performance-in-differentiation-between-tumour-grades
#7
E Belousova, G Karmazanovsky, A Kriger, D Kalinin, L Mannelli, A Glotov, N Karelskaya, O Paklina, A Kaldarov
AIM: To identify the multidetector computed tomography (MDCT) features of pancreatic neuroendocrine tumours (pNETs), which correlate with tumour histology and enable preoperative grading. MATERIALS AND METHODS: Thirty-nine patients with histologically confirmed pNET who underwent preoperative contrast-enhanced MDCT were included in this study. Nineteen tumours were classified as Grade 1 (G1) and 20 as Grade 2 (G2). Histopathology slides were reviewed to assess the intratumoural microvascular density (MVD) and the amount of tumour stroma...
November 24, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27889090/focal-nodular-and-diffuse-haematopoietic-marrow-hyperplasia-in-patients-with-underlying-malignancies-a-radiological-mimic-of-malignancy-in-need-of-recognition
#8
L T C Chow, A W H Ng, S K C Wong
AIM: To report the authors' experience of focal nodular haematopoietic marrow hyperplasia (FNHMH) and diffuse haematopoietic marrow hyperplasia (DHMH) clinically masquerading as skip, distant, or disseminated metastasis in seven patients with underlying malignant neoplasms. MATERIALS AND METHODS: Five patients with FNHMH and two with DHMH mistaken radiologically as skip and disseminated metastasis, respectively, were compared and contrasted with four patients with osteosarcomas and two with chondrosarcomas harbouring skip metastasis, noting the temporal relationship with their haematological profile...
November 24, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27889091/breath-hold-pet-ct-guided-tumour-ablation-under-general-anaesthesia-accuracy-of-tumour-image-registration-and-projected-ablation-zone-overlap
#9
P B Shyn, S Tremblay-Paquet, K Palmer, S Tatli, K Tuncali, O I Olubiyi, N Hata, S G Silverman
AIM: To assess single-breath-hold combined positron-emission tomography/computed tomography (PET/CT) for accuracy of tumour image registration and projected ablation volume overlap in patients undergoing percutaneous PET/CT-guided tumour-ablation procedures under general anaesthesia. MATERIALS AND METHODS: Eight patients underwent 12 PET/CT-guided tumour-ablation procedures to treat 20 tumours in the lung, liver, or adrenal gland. Using breath-hold PET/CT, the centre of the tumour was marked on each PET and CT acquisition by four readers to assess two- (2D) and three-dimensional (3D) spatial misregistration...
November 23, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27889089/susceptible-vessel-sign-identification-of-arterial-occlusion-and-clinical-implications-in-acute-ischaemic-stroke
#10
S Payabvash, J C Benson, S Taleb, J B Rykken, B Hoffman, A M McKinney, M C Oswood
AIM: To determine the accuracy of the susceptible vessel sign (SVS) in the detection of arterial occlusion and its clinical implication in acute ischaemic stroke. MATERIALS AND METHODS: Consecutive ischaemic stroke patients who underwent magnetic resonance imaging (MRI) with susceptibility-weighted imaging (SWI) within 24 hours of symptom onset or time last-seen-well were included. Two independent neuroradiologists reviewed the SWI for evidence of the SVS. Admission stroke severity was determined by the National Institute of Health Stroke Scale (NIHSS) scores, and poor clinical outcome was defined by a 3-months modified Rankin scale (mRS) score >2...
November 23, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27884388/shaped-bolus-protocol-reduces-contrast-medium-volume-in-abdominal-ct-while-maintaining-image-quality
#11
P Navin, A M Murray, K Nandikumar, R Waldron, B Tuohy, M Casey
AIM: To prospectively assess whether bolus shaping to exponentially decrease the contrast medium injection rate leads to alteration in image validity or renal function. MATERIALS AND METHODS: In this prospective study, patients alternatively received 100 ml contrast medium versus 75 ml via bolus shaping. Image quality was assessed via measurement of attenuation values in the aorta, liver, and spleen and also blinded subjective assessment of image sharpness, low contrast detectability, image noise, and overall quality...
November 21, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27876381/re-disorders-of-the-lymphatic-system-of-the-abdomen-a-reply
#12
LETTER
A R Patil
No abstract text is available yet for this article.
November 19, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27871624/re-disorders-of-the-lymphatic-system-of-the-abdomen
#13
LETTER
P A Patel, A M Barnacle
No abstract text is available yet for this article.
November 18, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27863699/systematic-review-and-meta-analysis-of-prostatic-artery-embolisation-for-lower-urinary-tract-symptoms-related-to-benign-prostatic-hyperplasia
#14
J-S Pyo, W J Cho
AIM: To evaluate the efficacy of prostatic artery embolisation (PAE) in lower urinary tract symptoms (LUTS) related to benign prostatic hyperplasia (BPH) at short- and mid-term follow-up. MATERIALS AND METHODS: The current study included 484 BPH patients from seven eligible studies. A meta-analysis was performed to determine the mean differences in parameters associated with LUTS, including the international prostate symptom score (IPSS), peak urinary flow (Qmax), post-void residual volume (PVR), quality of life score (QoL), prostate-specific antigen level (PSA), and prostatic volume (PV), between baseline and follow-up periods...
November 15, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27842889/limitations-of-gd-eob-dtpa-enhanced-mri-can-clinical-parameters-predict-suboptimal-hepatobiliary-phase
#15
M Kobi, V Paroder, M Flusberg, A M Rozenblit, V Chernyak
AIM: To establish cut-off levels of the clinical parameters, which would predict suboptimal 30 minutes delayed hepatobiliary phase (HBP) with high specificity. MATERIALS AND METHODS: This retrospective study included patients with chronic liver disease who underwent hepatocellular carcinoma screening with Gd-EOB-DTPA-enhanced magnetic resonance imaging (MRI) between 1 January 2011 and 30 November 2014. For each case, HBP was graded as adequate or suboptimal, based on Liver Image Reporting and Data System (LI-RADS) criteria...
November 11, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27836105/editorial
#16
EDITORIAL
G Baxter
No abstract text is available yet for this article.
November 8, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27836104/3d-isotropic-t2-weighted-fast-spin-echo-vista-versus-2d-t2-weighted-fast-spin-echo-in-evaluation-of-the-calcaneofibular-ligament-in-the-oblique-coronal-plane
#17
H J Park, S Y Lee, Y J Choi, H P Hong, S J Park, J H Park, E Kim
AIM: To investigate whether the image quality of three-dimensional (3D) volume isotropic fast spin echo acquisition (VISTA) magnetic resonance imaging (MRI) of the calcaneofibular ligament (CFL) view is comparable to that of 2D fast spin echo T2-weighted images (2D T2 FSE) for the evaluation of the CFL, and whether 3D VISTA can replace 2D T2 FSE for the evaluation of CFL injuries. MATERIALS AND METHODS: This retrospective study included 76 patients who underwent ankle MRI with CFL views of both 2D T2 FSE MRI and 3D VISTA...
November 8, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27816171/reliable-exclusion-of-prognostically-significant-coronary-disease-in-left-ventricular-dysfunction-by-cardiac-mri
#18
A C M Thompson, J G Crilley, D W Wilson, A P S Hungin, A Fuat, J J M Murphy
AIM: To assess the ability of cardiac magnetic resonance (CMR) to exclude prognostically significant coronary artery disease (CAD) in patients with left ventricular systolic dysfunction (LVSD). MATERIALS AND METHODS: A cohort of patients who underwent both X-ray angiography and CMR since 2006 was reviewed retrospectively. Records of those with European criteria for LVSD (left ventricular ejection fraction [LVEF] <50% or LV end-diastolic volume index [LVEDVI] ≥97 ml/m(2)) on CMR or transthoracic echo were analysed...
November 2, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27810168/ultra-low-dose-low-dose-and-standard-dose-ct-of-the-kidney-ureters-and-bladder-is-there-a-difference-results-from-a-systematic-review-of-the-literature
#19
REVIEW
S Rob, T Bryant, I Wilson, B K Somani
AIM: To investigate whether reducing the radiation dose of computed tomography (CT) of the kidney, ureters, and bladder (KUB) for acute renal colic impacts upon the specificity, sensitivity, and detection of urolithiasis. MATERIALS AND METHODS: A systematic review of the literature over a 20-year period between 1995 and 2015 was conducted of all prospective studies in the English language reporting on adult patients who underwent CT KUB or non-contrast CT for renal colic or urolithiasis...
October 31, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27789027/high-flow-haemangiomas-versus-hypervascular-hepatocellular-carcinoma-showing-pseudo-washout-on-gadoxetic-acid-enhanced-hepatic-mri-value-of-diffusion-weighted-imaging-in-the-differential-diagnosis-of-small-lesions
#20
S J Nam, J-S Yu, E-S Cho, J H Kim, J-J Chung
AIM: To validate the usefulness of diffusion-weighted imaging (DWI) in the differentiation of high-flow haemangiomas showing pseudo-washout appearance on gadoxetic acid-enhanced hepatic MRI from small hypervascular hepatocellular carcinomas (HCCs). MATERIALS AND METHODS: DWI (b=50, 800 s/mm(2)) with apparent diffusion coefficient (ADC) maps for 50 haemangiomas (6.4±2.9 mm) showing intense enhancement on arterial dominant phase imaging and hypointensity on transitional and/or hepatobiliary phase imaging during gadoxetic acid-enhanced MRI were retrospectively analysed and compared with that of 113 hypervascular HCCs (12...
October 24, 2016: Clinical Radiology
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