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British Journal of Radiology

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https://www.readbyqxmd.com/read/28731820/uncommon-neoplasms-of-the-biliary-tract-radiological-findings
#1
Vincenza Granata, Roberta Fusco, Orlando Catalano, Salvatore Filice, Antonio Avallone, Mauro Piccirillo, Maddalena Leongito, Raffaele Palaia, Roberto Grassi, Francesco Izzo, Antonella Petrillo
OBJECTIVES: To report our cancer center experience in the biliary tumors incidence other than cholangiocellular-carcinoma (CCC), emphasizing the radiological features. METHODS: 197 patients with biliary disease undergoing Gd-EOB-DTPA-enhanced MRI were reviewed. Four radiologists evaluated retrospectively size, structure, anatomical site, and signal intensity of lesions on MRI. Enhancement-pattern during the arterial-, portal-, and late-phase on US, CT and MR study was assessed as well as the enhancement pattern during the hepatobiliary-phase on MRI...
July 21, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707990/clinical-usefulness-of-the-mdixon-quant-the-method-for-estimation-of-the-salivary-gland-fat-fraction-comparison-with-mr-spectroscopy
#2
Yoshitaka Kise, Toru Chikui, Yasuo Yamashita, Koji Kobayashi, Kazunori Yoshiura
OBJECTIVES: To estimate the fat fraction (FF) in the salivary glands (SGs) by the mDIXON method and the MRS method, and to compared the results. METHODS: Sixteen healthy volunteers were enrolled. mDIXON Quant and MRS (point-resolved spectroscopy: PRESS) with a single TE were employed to measure the FF in the parotid gland (PG) and submandibular gland (SMG). Multiple TEs were applied in 10 volunteers to correct for T2 decay. In addition, we assumed that the 1.3 ppm peak accounted for 60% of the total fat peak and estimated the FF (MRS all) as a gold standard...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707989/breast-density-scales-the-metric-matters
#3
Mohamed Abdolell, Kaitlyn M Tsuruda, Peter Brown, Judy Caines, Sian Iles
OBJECTIVE: Measures of percent mammographic density (PMD) are often categorized using various density scales. The purpose of this study was to examine information loss associated with the use of categorical density scales. METHODS: Baseline PMD was assessed at 1% precision for 2,374 women. The data were used to create 21-category, 4-category and 2-category density scales. R-squared and root mean square error (RMSE) were used to evaluate the effect of categorizing PMD...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707988/first-clinical-report-of-helical-tomotherapy-with-simultaneous-integrated-boost-for-synchronous-bilateral-breast-cancer
#4
Tabassum Wadasadawala, Shanu Jain, Siji Paul, Reena Phurailatpam, Kishore Joshi, Palak Popat, Sandip Tandon, Aruna Alahari, Rajiv Sarin
OBJECTIVE: Radiotherapy for synchronous bilateral breast cancer (SBBC) is technically very challenging. This study reports the clinical feasibility, dosimetry and safety of helical tomotherapy (HT) with simultaneous integrated boost (SIB) in patients treated with adjuvant radiotherapy for SBBC. MATERIAL AND METHODS: Twenty one women with SBBC treated with HT from January 2013 to June 2016 were retrospectively evaluated. Radiation lung toxicity was assessed using pulmonary function test (PFT) and high resolution computerized tomography scan (HRCT) scan at baseline and 1 year post RT in 18 patients...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707546/a-computer-aided-diagnosis-cad-scheme-for-pretreatment-prediction-of-pathological-response-to-neoadjuvant-therapy-using-dynamic-contrast-enhanced-mri-texture-features
#5
Valentina Giannini, Simone Mazzetti, Agnese Marmo, Filippo Montemurro, Daniele Regge, Laura Martincich
OBJECTIVES: To assess whether a computer aided diagnosis (CAD) system can predict pathological response (pCR) to neoadjuvant chemotherapy (NAC) prior to treatment using texture features. MATERIALS AND METHODS: Response to treatment of 44 patients was defined according to the histopatology of resected tumour and extracted axillary nodes in two ways: a) pCR+ (Smith's grade=5) vs pCR- (Smith's grade<5); b) pCRN+ (pCR+ and absence of residual lymph node metastases) vs pCRN-...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707545/diagnostic-evaluation-of-simulation-ct-images-for-adjuvant-radiotherapy-in-pancreatic-adenocarcinoma
#6
Bohyun Kim, Young Chul Kim, O Kyu Noh, Jaesung Heo, Hyun Woo Lee, Ji Hoon Kim, Jei Hee Lee, Jai Keun Kim, Oyeon Cho, Young-Taek Oh, Mison Chun
OBJECTIVE: The purpose of this study is to review simulation CT scans and evaluate their diagnostic value in patients treated with adjuvant radiation therapy for pancreatic adenocarcinoma. MATERIALS AND METHODS: Seventy-three patients who had undergone simulation CT scans for adjuvant radiation therapy in pancreatic adenocarcinoma were reviewed. All simulation CT scans were reviewed by professional abdominal radiologists, who compared the images with corresponding prior CT scans to identify new lesions...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707544/differentiation-of-chronic-total-occlusion-and-sub-total-occlusion-of-the-femoropopliteal-artery-role-of-retrograde-flow-sign-and-collateral-circulation-on-ct-angiography-images
#7
Shujun Zhang, Yanfei Su, Haisong Chen
OBJECTIVE: To study the value of a retrograde flow sign and the collateral circulation on computed tomography angiography (CTA) for the differential diagnosis of chronic total occlusion from sub-total occlusion of the femoropopliteal artery (FPA). METHODS: Fifty patients with obstruction of the FPA underwent CTA and digital subtraction angiography (DSA) examinations of the lower limbs. The frequency of a retrograde flow sign and collateral circulation on CTA in chronic total and sub-total occlusion was noted and analyzed, with the results of DSA as a standard to judge total or sub-total occlusion...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707543/pet-mri-knocking-on-the-doors-of-the-rich-and-famous
#8
Thomas Beyer, Marcus Hacker, Vicky Goh
Since 2010 the portfolio of PET-based imaging has been expanded by industry with the introduction of combined whole-body PET/MRI systems with the intent of merging PET-based molecular imaging with the strengths of MRI. PET/MRI has created a lot of hype in the scientific community but comparatively little traction in the clinic. The first years of whole-body PET/MRI were used to address inherent technical challenges, however, it is now time to make use of the full potential of this integrated imaging modality...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707542/the-physiological-consequences-of-different-distributions-of-diffuse-pleural-thickening-on-ct-imaging
#9
Duneesha de Fonseka, Anthony Edey, Louise Stadon, Jason Viner, Michael Darby, Nick A Maskell
OBJECTIVES: Diffuse pleural thickening refers to extensive visceral pleural fibrosis, with adhesion formation to the parietal pleura, obliterating the pleural space. The radiological definition of DPT remains controversial with most literature requiring the presence of an obliterated costophrenic angle for defining DPT. We conducted a study to investigate the variable distributions of DPT and associated lung function deficit. METHODS: Eighty-five patients referred to a pleural clinic with suspected pleural thickening were screened for our study...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707541/concurrent-weekly-cisplatin-versus-triweekly-cisplatin-with-radiotherapy-for-locally-advanced-squamous-cell-carcinoma-of-the-cervix-a-retrospective-analysis-from-a-single-institution
#10
Yoshino Kinjyo, Yutaka Nagai, Takafumi Toita, Wataru Kudaka, Takuro Ariga, Yuko Shimoji, Tadaharu Nakasone, Yusuke Taira, Yoshihisa Arakaki, Tomoko Nakamoto, Akihiko Wakayama, Takuma Ooyama, Hitoshi Maemoto, Joichi Heianna, Yoichi Aoki
OBJECTIVES: To compare patients with cervical cancer who were primarily treated with concurrent chemoradiotherapy (CCRT) using 20 mg/m(2) CCDP for 5 days every 3 weeks with weekly regimens of 40 mg/m(2). METHODS: We retrospectively analyzed 185 patients with Stage IB to IVA squamous cell carcinoma of the cervix who were treated with CCRT between 2005 and 2013 at our hospital. The CCRT regimen consisted of cisplatin at 20 mg/m(2) for 5 days every 3 weeks or 40 mg/m(2) weekly, administered concomitantly with RT...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707540/commentary-on-duty-of-candour-and-cancer-screening
#11
Rosalind Given-Wilson
English law mandates a duty of candour (DOC) for all healthcare providers. They must be open and honest when something goes wrong with care causing harm. Providers must apologise to those affected and investigate what happened. Screening is not 100% accurate and false positive and false negative results are inevitable. Guidance on DOC assists providers to judge when something has gone wrong in screening and the DOC legislation applies. DOC guidance helps to distinguish such incidents from harms which are an expected and inevitable consequence of the imperfections of screening tests...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707539/visceral-adipose-tissue-area-measurement-at-a-single-level-can-it-represent-visceral-adipose-tissue-volume
#12
Yusuke Noumura, Tamotsu Kamishima, Kenneth Sutherland, Hideho Nishimura
OBJECTIVES: Measurement of visceral adipose tissue (VAT) needs to be accurate and sensitive to change for risk monitoring. The purpose of this study is to determine the CT slice location where VAT area can best reflect changes in VAT volume and body weight. METHODS: 60 plain abdominal CT images from 30 males (mean age (range) 51 (41-68) years, mean body weight (range) 71.1 (101.9-50.9) kg) who underwent workplace screenings twice within a 1 year interval were evaluated...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707538/adrenal-cortical-hyperplasia-diagnostic-workup-subtypes-imaging-features-and-mimics
#13
Michelle Agrons, Corey T Jensen, Mouhammed Amir Habra, Christine O Menias, Akram M Shaaban, Nicolaus A Wagner-Bartak, Alicia M Roman-Colon, Khaled M Elsayes
Adrenal cortical hyperplasia manifests radiologically as the nonmalignant growth, or enlargement of the adrenal glands, specifically the cortex, although the cortex cannot be definitively identified by conventional imaging. Controlled by the pituitary gland, the adrenal cortex drives critical processes, such as cortisol, mineralocorticoid, and sex hormone production. Any disruption in the multiple enzymes and hormones involved in these pathways may cause serious or life-threatening symptoms, often associated with anatomical changes of the adrenal glands...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707537/a-perspective-on-the-impact-of-radiation-therapy-on-the-immune-rheostat
#14
William H McBride, Ekambaram Ganapathy, Mi-Heon Lee, Jean P Nesseler, Christine Nguyen, Dörthe Schaue
The advent and success of immune checkpoint inhibitors (ICIs) in cancer treatment has broadened the spectrum of tumours that might be considered "immunogenic" and susceptible to immunotherapeutic (IT) intervention. Not all cancer types are sensitive, and not all patients with any given type respond. Combination treatment of ICIs with an established cytotoxic modality such as radiation therapy (RT) is a logical step towards improvement. For one, RT alone has been shown to be genuinely immunomodulatory and secondly pre-clinical data generally support combined ICI-RT approaches...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707536/radiation-dose-reduction-in-multi-detector-ct-in-fracture-evaluation
#15
Jung Woo Yi, Hee Jin Park, So Yeon Lee, Myung Ho Rho, Hyun Pyo Hong, Yoon Jung Choi, Mi Sung Kim
OBJECTIVE: To evaluate whether multi-detector CT with low-dose radiation (low-dose CT) of joints can be useful when evaluating fractures. METHODS AND MATERIALS: Our study included CT scans of 398 patients, 103 shoulder cases, 109 wrist cases, 98 pelvis cases and 88 ankle cases. There were 191 women and 207 men. The low-dose CTs were performed using identical voltage and parameters with the exception of decreased (half of standard dose) tube current. Lowdose and standard-dose images were compared with regards to objective image quality, subjective evaluation of image quality and diagnostic performance for the fractures...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707535/anatomical-and-mr-correlative-study-of-the-proximal-sciatic-nerve-vasculature
#16
Neal Larkman, Guillaume Lefebvre, Thibault Jacques, Anne Cotten, Xavier Demondion, Anne Cotten
AIMS: The aim of our study is to demonstrate that increased T2 signal on MRI could be due to intraneural vessels in asymptomatic individuals, and may therefore be a normal finding. METHODS: An initial anatomic cadaveric study was undertaken to gain a better understanding of the vascular supply of the proximal sciatic nerve. Secondly, a retrospective study of MR imaging of patients without sciatic symptoms was performed to assess the prevalence of intraneural vessels, defined as hyperintensity on at least 3 consecutive slices on both T2 and Gadolinium enhanced T1 weighted imaging, visible on routine MSK pelvic imaging...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707534/fosbury-flop-tear-of-the-rotator-cuff-diagnostic-assessment-with-magnetic-resonance-arthrography
#17
Frank C Kolo, Adrien Jean-Pierre Schwitzguebel, Abed Kourhani, Patrick J Denard, Caecilia Charbonnier, Alexandre Ladermann
OBJECTIVES: The aim was to assess the diagnostic performance of magnetic resonance arthrography (MRA) of the shoulder for the detection of "Fosbury flop" tears. METHODS: All patients undergoing arthroscopic rotator cuff repair were considered as potentially eligible for inclusion in this prospective case series. Preoperative MRAs were consecutively performed and compared with intraoperative findings being the gold standard control. Two experienced musculoskeletal radiologists, blinded to the arthroscopic findings, independently analyzed all MRAs for the presence of typical signs of Fosbury flop tears...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707533/role-of-extracranial-stereotactic-body-radiation-therapy-in-the-management-of-stage-iv-melanoma
#18
Davide Franceschini, Ciro Franzese, Fiorenza De Rose, Pierina Navarria, Giuseppe R D'Agostino, Tiziana Comito, Angelo Tozzi, Maria C Tronconi, Lorenza Di Guardo, Michele Del Vecchio, Marta Scorsetti
OBJECTIVES: To investigate the role of extracranial stereotactic body radiation therapy (SBRT) in the management of oligometastatic melanoma. METHODS: Patients affected by stage IV melanoma, with less than three extracranial metastatic lesions, who received SBRT were included in this analysis. Acute and late toxicity, local control (LC), overall survival (OS) and progression free survival (PFS) were analyzed. RESULTS: Thirty one patients were included in the study...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707532/a-novel-diagnostic-aid-for-intra-abdominal-adhesion-detection-in-cine-mr-imaging-pilot-study-and-initial-diagnostic-impressions
#19
David Randall, Frank Joosten, Richard Ten Broek, Richard Gillott, Karna Dev Bardhan, Chema Strik, Wiesje Prins, Harry van Goor, John Fenner
OBJECTIVES: A non-invasive diagnostic technique for abdominal adhesions is not currently available. Capture of abdominal motion due to respiration in cine-MRI has shown promise, but is difficult to interpret. This article explores the value of a complimentary diagnostic aid to facilitate the non-invasive detection of abdominal adhesions using cine-MRI. METHOD: An image processing technique was developed to quantify the amount of sliding that occurs between the organs of the abdomen and the abdominal wall in sagittal cine-MRI slices...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707531/third-version-of-vendor-specific-model-based-iterative-reconstruction-veo-3-0-evaluation-of-ct-image-quality-in-the-abdomen-using-new-noise-reduction-presets-and-varied-slice-optimization
#20
Morgan E Telesmanich, Corey T Jensen, Jose L Enriquez, Nicolaus A Wagner-Bartak, Xinming Liu, Ott Le, Wei Wei, Adam G Chandler, Eric P Tamm
OBJECTIVE: To qualitatively and quantitatively compare abdominal CT images reconstructed with a new version of model-based iterative reconstruction (Veo 3.0; GE Healthcare) utilizing varied presets of resolution preference, noise reduction, and slice optimization. METHODS: This retrospective study was approved by our IRB and was HIPAA compliant. The raw data from 30 consecutive patients who had undergone CT abdomen scanning were used to reconstruct 4 clinical presets of 3...
July 14, 2017: British Journal of Radiology
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