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Clinical Radiology

journal
https://www.readbyqxmd.com/read/28330686/imaging-of-acute-and-chronic-thromboembolic-disease-state-of-the-art
#1
REVIEW
A Ruggiero, N J Screaton
Acute pulmonary embolism (PE) is a life-threatening condition that requires prompt diagnosis and treatment. Recent advances in imaging allow acute and rapid recognition even by the non-specialist radiologist. Most acute emboli resolve on anticoagulation without sequelae; however, some emboli fail to fully resolve becoming endothelialised with the development of chronic thromboembolic disease (CTED). Increased pulmonary vascular resistance arising from CTED may lead to chronic thromboembolic pulmonary hypertension (CTEPH) a debilitating disease affecting up to 5% of survivors of acute PE...
March 19, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28330685/renal-clear-cell-carcinoma-diffusion-tensor-imaging-diagnostic-accuracy-and-correlations-with-clinical-and-histopathological-factors
#2
Q Feng, W Fang, X P Sun, S H Sun, R M Zhang, Z J Ma
AIM: To investigate whether diffusion tensor imaging (DTI) can be used to assess renal clinical histopathology, including the nuclear grade (NG), cell density (CD), and the presence of ki-67. MATERIALS AND METHODS: Thirty patients were enrolled in the study and were confirmed at surgical histopathology to have clear cell renal cell carcinoma (CCRCC). For DTI, a coronal echo-planar imaging sequence was performed (1400 ms repetition time, 76 ms echo time, diffusion direction=6, number of excitations=4; b=0 and 800 s/mm(2), 6 mm section thickness with no intersection gap)...
March 19, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28330684/mri-for-the-detection-of-calcific-features-of-vertebral-haemangioma
#3
Y Y Bender, S M Böker, G Diederichs, T Walter, M Wagner, E Fallenberg, T Liebig, M Rickert, B Hamm, M R Makowski
AIM: To evaluate the diagnostic performance of susceptibility-weighted-magnetic-resonance imaging (SW-MRI) for the detection of vertebral haemangiomas (VHs) compared to T1/T2-weighted MRI sequences, radiographs, and computed tomography (CT). MATERIALS AND METHODS: The study was approved by the local ethics review board. An SW-MRI sequence was added to the clinical spine imaging protocol. The image-based diagnosis of 56 VHs in 46 patients was established using T1/T2 MRI in combination with radiography/CT as the reference standard...
March 19, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28325514/multiparametric-approach-with-diffusion-weighted-imaging-and-dynamic-contrast-enhanced-mri-a-comparison-study-for-differentiating-between-benign-and-malignant-bone-lesions-in-adults
#4
E Oh, Y C Yoon, J H Kim, K Kim
AIM: To evaluate and compare the diagnostic performance of quantitative parameters derived from diffusion-weighted imaging (DWI) and dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) in differentiating benign and malignant bone tumours. MATERIALS AND METHODS: Fifty-five patients (age range, 21-82 years; mean age, 55 years) underwent pretreatment MRI. Apparent diffusion coefficient (ADC) values were calculated by DWI. The DCE-MRI data were analysed for the volume transfer constant (K(trans)), extravascular extracellular volume fraction (Ve), and volume rate constant (Kep), and K(trans)/ADC ratio...
March 18, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28325513/effectiveness-of-biplane-angiography-compared-to-monoplane-angiography-for-vascular-neuro-interventions-a-systematic-review-of-the-literature
#5
C A Bellemare, T G Poder
AIM: To compare biplane technology to monoplane technology for vascular neuro-intervention. MATERIALS AND METHODS: A systematic review of the literature in MEDLINE (via PubMed), Scopus, and ScienceDirect was conducted without date or language restrictions. The Downs and Black quality-assessment checklist was used. The findings of this systematic review were combined with local and Canadian data. RESULTS: The nine articles selected for analysis had a very low level of evidence...
March 18, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28318507/usefulness-of-diffusion-tensor-mri-in-the-diagnosis-of-parkinson-variant-of-multiple-system-atrophy-and-parkinson-s-disease-a-valuable-tool-to-differentiate-between-them
#6
B Chen, G Fan, W Sun, X Shang, S Shi, S Wang, G Lv, C Wu
AIM: To evaluate the differences between patients with Parkinson's disease (PD) and Parkinson variant of multiple system atrophy (MSAp) at fractional anisotropy (FA) in the white matter when using the tract-based spatial statistics (TBSS) algorithm to provide objective markers for a differential diagnosis. MATERIALS AND METHODS: Diffusion-tensor imaging (DTI) data were acquired from 18 PD patients, 20 MSAp patients, and 24 healthy controls using a GE 3 T Signa HDx magnetic resonance imaging (MRI) system...
March 16, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28318506/assessment-of-disease-extent-on-contrast-enhanced-mri-in-breast-cancer-detected%C3%A2-at-digital-breast-tomosynthesis-versus%C3%A2-digital-mammography-alone
#7
A V Chudgar, E F Conant, S P Weinstein, B M Keller, M Synnestvedt, P Yamartino, E S McDonald
AIM: To compare the utility of breast magnetic resonance imaging (MRI) in determining the extent of disease in patients with newly diagnosed breast cancer detected on combination digital breast tomosynthesis (DBT) versus digital screening mammography (DM). MATERIALS AND METHODS: Review of 24,563 DBT-screened patients and 10,751 DM-screened patients was performed. Two hundred and thirty-five DBT patients underwent subsequent MRI examinations; 82 to determine extent of disease after newly diagnosed breast cancer...
March 16, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28302273/there-is-good-agreement-between-mr-enterography-and-bowel-ultrasound-with-regards-to-disease-location-and-activity-in-paediatric-inflammatory-bowel-disease
#8
J L Barber, J Maclachlan, K Planche, M Furman, D Crespi, N Bab, I Beal
AIM: To investigate concordance of bowel ultrasound and magnetic resonance enterography (MRE) in identifying active disease in children with inflammatory bowel disease. MATERIALS AND METHODS: The imaging of children with inflammatory bowel disease who had undergone bowel ultrasound and MRE within 30 days were retrospectively reviewed, from January 2009 to November 2015. Ultrasound was without oral contrast medium; MRI was conducted with patients unsedated with oral contrast medium and gadolinium...
March 14, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28292513/systematic-evaluation-of-radiological-findings-in-the-assessment-of-resectability-of-peri-ampullary-cancer-by-ct-using-different-contrast-phase-protocols
#9
B Amr, G Miles, G Shahtahmassebi, C Roobottom, D A Stell
AIMS: To determine the relative significance of radiological signs in determining the resectability of peri-ampullary cancer (PC) and to assess the value of multi-phase imaging in detecting these findings. MATERIALS AND METHODS: Blinded, double re-reporting of preoperative imaging from five hospitals was undertaken of 411 patients undergoing surgery for PC over an 8-year period, of whom 119 patients were found to be inoperable at the time of surgery. RESULTS: The median tumour size was 26...
March 11, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28292512/clinicopathological-and-multisection-ct-features-of-primary-pulmonary-mucoepidermoid-carcinoma
#10
D-L Cheng, Y-X Hu, P-Q Hu, G Wen, K Liu
AIM: To delineate the multisection computed tomography (MSCT) features and the clinical characteristics of primary pulmonary mucoepidermoid carcinoma (PMEC). Prognostic factors were also analysed. MATERIALS AND METHODS: A retrospective study was undertaken to investigate the medical records and MSCT performance of histopathologically confirmed PMECs from 2007 to 2015. RESULTS: A total of 83.3% of patients with high-grade PMECs were aged >40 years, whereas there were 1...
March 11, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28292511/thoracic-stomach-right-main-bronchus-fistula-treated-with-dual-y-shaped-covered-airway-stents
#11
Z-M Li, H-B Lu, K-W Ren, X-W Han, G Wu, D-C Jiao
AIM: To determine the efficacy of dual Y-shaped covered airway stents to treat thoracic stomach-right main bronchus fistulae. MATERIAL AND METHODS: Fifteen patients who developed thoracic stomach-right main bronchus fistula after oesophageal cancer resection and postoperative irradiation were retrospectively analysed. All fistulae were close to the right upper lobe bronchus. Two Y-shaped covered airway stents were designed for each patient. Under radiographic guidance, one stent was placed from the right main bronchus into the bifurcation of upper lobe and intermediate bronchus, the other was placed from the trachea into both main bronchi...
March 11, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28291521/the-spectrum-of-injuries-in-buttock-stab-wounds
#12
REVIEW
T Campion, S Cross
Buttock stab wounds are a surprisingly common and increasing source of presentations to emergency departments. These injuries can have a significant impact on quality of life, and there are a number of often subtle, but significant, injuries that the radiologist must be alert to when interpreting computed tomography examinations in these patients. In this review, we will examine briefly the sociological reasons for the increase in these injuries, discuss appropriate imaging techniques, and provide imaging examples of the clinically important injuries that may be encountered in this region...
March 10, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28285707/intratumoural-heterogeneity-measured-using-fdg-pet-and-mri-is-associated-with-tumour-stroma-ratio-and-clinical-outcome-in-head-and-neck-squamous-cell-carcinoma
#13
J W Choi, D Lee, S H Hyun, M Han, J-H Kim, S J Lee
AIM: To evaluate the association between the tumour-stroma ratio and intratumoural heterogeneity measured using 2-[(18)F]-fluoro-2-deoxy-d-glucose (FDG) positron-emission tomography (PET) and magnetic resonance imaging (MRI), and further investigate the prognostic significance of imaging biomarkers in head and neck squamous cell carcinoma (HNSCC). MATERIALS AND METHODS: Textural-based imaging parameters of the primary tumour were extracted in 44 patients. In addition, the difference between the minimum and maximum apparent diffusion coefficient (ADC) values (ADCdiff) was calculated on MRI...
March 9, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28285706/radiologist-performance-in-the-interpretation-of-contrast-enemas-performed-for-hirschsprung-s-disease-in-children-1-year-of-age
#14
T J Hwang, S Servaes, P Mattei, S A Anupindi
AIM: To evaluate the diagnostic performance of contrast enemas (CEs) for the diagnosis of Hirschsprung's disease (HD). METHODS AND MATERIALS: CE studies performed as part of an HD workup in patients 1-18 years of age over a 10-year period were identified. All abnormal CE studies and an equal number of age-matched controls were included in the final study group. Two radiologists independently and blindly reviewed all CE studies for quality (scale of 0-3) and the presence of large colon calibre, colon redundancy, transition zone, rectosigmoid ratio, and abnormal contractions...
March 9, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28285705/special-issue-on-thoracic-imaging
#15
EDITORIAL
A Devaraj
No abstract text is available yet for this article.
March 9, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28283284/mri-in-the-evaluation-of-obstructive-reproductive-tract-anomalies-in-paediatric-patients
#16
H Zhang, H Qu, G Ning, B Cheng, F Jia, X Li, X Chen
AIM: To outline the anatomical variations of obstructive reproductive tract anomalies (ORTA) using magnetic resonance imaging (MRI) and its role in preoperative evaluation. MATERIALS AND METHODS: MRI and treatment of 21 paediatric patients with ORTA were reviewed and analysed. MRI findings were correlated with ultrasound and surgical findings. RESULTS: Patients presented in two distinct ways: primary amenorrhoea with cyclic pelvic pain, or progressive dysmenorrhoea...
March 7, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28274510/can-contrast-enhanced-mri-with-gadoxetic-acid-predict-liver-failure-and-other-complications-after-major-hepatic-resection
#17
A F Costa, A Tremblay St-Germain, M Abdolell, R L Smoot, S Cleary, K S Jhaveri
AIM: To determine whether a combination of clinical factors, the future liver remnant (FLR) ratio, and hepatic uptake of gadoxetic acid can be used to predict post-hepatectomy liver failure (PHLF) and other major complications (OMC). MATERIALS AND METHODS: Sixty-five consecutive patients who underwent pre-hepatectomy gadoxetic acid-enhanced magnetic resonance imaging (MRI) between October 2010 and December 2013 were included. The relative liver enhancement (RLE) of gadoxetic acid was calculated from regions of interest on MRI, and FLR ratios were obtained from computed tomography (CT)...
March 5, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28274509/diagnostic-performance-of-conventional-mri-parameters-and-apparent-diffusion-coefficient-values-in-differentiating-between-benign-and-malignant-soft-tissue-tumours
#18
Y Song, Y C Yoon, Y Chong, S W Seo, Y-L Choi, I Sohn, M-J Kim
AIM: To compare the abilities of conventional magnetic resonance imaging (MRI) and apparent diffusion coefficient (ADC) in differentiating between benign and malignant soft-tissue tumours (STT). MATERIAL AND METHODS: A total of 123 patients with STT who underwent 3 T MRI, including diffusion-weighted imaging (DWI), were retrospectively analysed using variate conventional MRI parameters, ADCmean and ADCmin. RESULTS: For the all-STT group, the correlation between the malignant STT conventional MRI parameters, except deep compartment involvement, compared to those of benign STT were statistically significant with univariate analysis...
March 5, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28274508/re-imaging-and-reporting-considerations-for-suspected-physical-abuse-non-accidental-injury-in-infants-and-young-children-part-1-initial-considerations-and-appendicular-skeleton-a-reply
#19
LETTER
https://www.readbyqxmd.com/read/28274507/re-imaging-and-reporting-considerations-for-suspected-physical-abuse-non-accidental-injury-in-infants-and-young-children-part-1-initial-considerations-and-appendicular-skeleton
#20
LETTER
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