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British Journal of Radiology

Hong-Li Liu, Min Zong, Han Wei, Jian-Juan Lou, Si-Qi Wang, Qi-Gui Zou, Hai-Bin Shi, Yan-Ni Jiang
OBJECTIVE: This study aims to find out the benefits of adding histogram analysis of apparent diffusion coefficient (ADC) maps onto dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) in predicting breast malignancy. METHODS: This study included 95 patients who were found with breast mass-like lesions from January 2014 to March 2016 (47 benign and 48 malignant). These patients were estimated by both DCE-MRI and diffusion-weighted imaging (DWI) and classified into two groups, namely, the benign and the malignant...
September 6, 2017: British Journal of Radiology
Ingrid Boehm, Knud Nairz, John Morelli, Patricia Silva Hasembank Keller, Johannes Thomas Heverhagen
Contrast-enhanced radiological examinations are important diagnostic tools in modern medicine. Currently, all approved and available iodinated and gadolinium-based contrast agents are safe and well tolerated by most patients. However, approximately 2% of patients receiving iodinated contrast media (CM) exhibit hypersensitivity reactions. Patients with a history of such a reaction are at increased risk upon re-exposure. Therefore, they are subjected to a prophylaxis such as injection of anti-allergy drugs or general anesthesia...
September 6, 2017: British Journal of Radiology
Nalee Kim, Ho Lee, Jin Sung Kim, Jong Geal Baek, Chang Geol Lee, Sei Kyung Chang, Woong Sub Koom
OBJECTIVE: Stereotactic body radiotherapy (SBRT) for spinal metastases is becoming a prevalent therapeutic option. We aimed to evaluate the clinical feasibility and outcomes of the recently developed multileaf collimator (MLC)-based CyberKnife (CK-M) for spine SBRT. METHODS: We reviewed 119 patients of 144 cases with 229 lesions treated with CK between November 2014 and March 2016. The lesion features, dosimetric parameters, and clinical outcomes were compared between fixed cone collimator based CK (CK-F) and CK-M...
September 4, 2017: British Journal of Radiology
Iain Phillips, Mazhar Ajaz, Veni Ezhil, Vineet Prakash, Sheaka Alobaidli, Sarah J McQuaid, Christopher South, James Scuffham, Andrew Nisbet, Philip Evans
Lung cancer is the leading cause of cancer mortality worldwide. Treatment pathways include regular cross-sectional imaging, generating large data sets which present intriguing possibilities for exploitation beyond standard visual interpretation. This additional data mining has been termed 'radiomics' and includes semantic and agnostic approaches. Texture Analysis (TA) is an example of the latter, and uses a range of mathematically derived features to describe an image or region of an image. Often TA is used to describe a suspected or known tumour...
September 4, 2017: British Journal of Radiology
Ciro Franzese, Antonella Fogliata, Tiziana Comito, Angelo Tozzi, Cristina Iftode, Elena Clerici, Davide Franceschini, Pierina Navarria, Anna Maria Ascolese, Lucia Di Brina, Fiorenza De Rose, Giuseppe R D'Agostino, Luca Cozzi, Marta Scorsetti
OBJECTIVE: The colorectal cancer (CRC) might present loco-regional recurrence, including lymph-node metastasis. Stereotactic body radiotherapy (SBRT) is a non-invasive and well-tolerated ablative treatment. Aim of the present study is to evaluate efficacy and toxicity of SBRT with volumetric modulated arc therapy (VMAT) in this setting. METHODS: 35 patients presenting a total of 47 nodal recurrences from CRC, treated with VMAT-SBRT from 2008 to 2015, were selected...
September 4, 2017: British Journal of Radiology
Richard Tsai, Constantine Raptis, Kathryn J Fowler, Joseph W Owen, Vincent M Mellnick
OBJECTIVE: To determine the degree of inter-radiologist agreement between the MRI features of appendicitis during pregnancy, the outcomes associated with an indeterminate interpretation, and the negative predictive value of non-visualization of the appendix. METHODS: Our study was approved by our institutional review board and was HIPAA compliant. The informed consent requirement was waived. Cases of suspected appendicitis during pregnancy evaluated using MRI were retrospectively identified using search queries...
September 4, 2017: British Journal of Radiology
Rania Zeitoun, Manar Hussein
OBJECTIVE: To reach a practical approach to interpret MDCT findings in post-opartive spine cases and to change the false belief of CT failure in the setting of instruments secondary to related artifacts. METHODS: We performed observational retrospective analysis of premier, early and late MDCT scans in 68 post-operative spine patients, with emphasis on instruments related complications and osseous fusion status. We used a grading system for assessment of osseous fusion in 35 patients and we further analyzed the findings in failure of fusion, grade (D)...
September 4, 2017: British Journal of Radiology
Simon John McPherson, Derek A O'Reilly, Martin T Sinclair, Neil Smith
OBJECTIVE: To assess use of imaging in patients admitted to UK hospitals with acute pancreatitis (AP). METHODS: 4,479 patients had a diagnosis AP in the first 6 months of 2014. The National Confidential Enquiry into Patient Outcome and Death Patients (NCEPOD) selected patients with more severe AP for case review. Clinicians completed 712 questionnaires and case reviewers assessed 418 cases. The use of imaging in patients with AP is reported. RESULTS: The common causes of AP were gallstones (46...
September 4, 2017: British Journal of Radiology
Siyoun Sung, Hyun Su Kim, Jong Won Kwon
OBJECTIVE: To evaluate whether there are significant differences between contrast-enhanced fat-saturated T1 weighted imaging and non-enhanced fat-suppression imaging for diagnosing sacroiliitis in patients with inflammatory back pain. METHODS: 92 patients, consisting of 46 males and 46 females (mean age: 34 years; range: 15-63 years), who met at least 4 out of 5 Assessment in SpondyloArthritis international Society criteria for inflammatory low back pain were enrolled in this study...
September 4, 2017: British Journal of Radiology
Serena Badellino, Jacopo Di Muzio, Giulia Schivazappa, Alessia Guarneri, Riccardo Ragona, Sara Bartoncini, Elisabetta Trino, Andrea Riccardo Filippi, Paolo Fonio, Umberto Ricardi
OBJECTIVE: To compare patterns of acute and late radiological lung injury following either 3D conformal or image-guided volumetric modulated arc therapy stereotactic radiotherapy for Stage I non-small-cell lung cancer. METHODS: We included 148 patients from a prospective mono-institutional stereotactic body radiation therapy (SBRT) series (time interval 2004-2014), treated with prescription BED10 Gy (at 80%) in the range 100-120 Gy. The first 95 patients (2004-2010) were planned with 3D-CRT, with a stereotactic body frame...
September 4, 2017: British Journal of Radiology
Chiaho Hua, Weiguang Yao, Takao Kidani, Kazuo Tomida, Saori Ozawa, Takenori Nishimura, Tatsuya Fujisawa, Ryousuke Shinagawa, Thomas E Merchant
OBJECTIVE: A ceiling-mounted robotic C-arm cone beam computed tomography (CBCT) system was developed for use with a 190° proton gantry system and a 6-degree-of-freedom robotic patient positioner. We report on the mechanical design, system accuracy, image quality, image guidance accuracy, imaging dose, workflow, safety and collision-avoidance. METHODS: The robotic CBCT system couples a rotating C-ring to the C-arm concentrically with a kV X-ray tube and a flat-panel imager mounted to the C-ring...
August 22, 2017: British Journal of Radiology
Priya Narayanan, Anju Sahdev
(18)F-FDG PET CT has increasing clinical applications supplementing conventional TVUS, CT and MRI imaging in assessing ovarian, cervical and endometrial cancer. The published literature on the applications of (18)F-FDG PET CT shows its use can have significant impact on patient management by improving staging of the cancers, influencing patient selection for treatment and in detecting early recurrent disease. However, the increasing clinical use of PET CT does not always align with the guidelines, recommendations or expert opinion in the use of PET CT...
August 22, 2017: British Journal of Radiology
Nassim Parvizi, Shaheel Bhuva
OBJECTIVES: A national survey was designed to better understand factors influencing special interest choices and future aspirations of UK radiology trainees as well astheir perceptions of breast radiology. METHODS: A SurveyMonkey questionnaire was developed and distributed to all radiology trainees in the UK through the British Institute of Radiology, RCR Junior Radiologists Forum, and by directly contacting UK training schemes as well as by social media between December 2015 and January 2016...
August 22, 2017: British Journal of Radiology
Anuradha Chandramohan, Andrew Thrower, Nehal Shah, Faheez Mohamed
OBJECTIVE: To assess the imaging features of peritoneal mesothelioma and identify key anatomical sites that aid patient selection for complete cytoreduction. METHODS: Pre-operative imaging of 59 (32 males, 27 females) patients who underwent cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (HIPEC) for histologically proven peritoneal mesothelioma [36 malignant peritoneal mesothelioma (MPM), 23 cystic mesothelioma (CM)] were reviewed. Imaging findings were correlated with surgical outcome...
August 22, 2017: British Journal of Radiology
François-Daniel Ardellier, Nicolas D'ostrevy, Lucie Cassagnes, Lemlih Ouchchane, Emilie Dubots, Pascal Chabrot, Louis Boyer, Lionel Camilleri
OBJECTIVES: The purpose of this study was to analyse CT (Computed tomography) patterns of the acute dissected aortic arch using original biometric features and comparison with normal aortas. METHODS: The diagnostic CT scans of 57 patients (42 males, age (mean ± SD: 64.5 ± 13.8 years) admitted with acute Stanford type A dissection involving the aortic arch were analysed by the semi-automatic detection protocol of the true lumen of the dissection. We measured the distances from the apex to the ascending and descending aorta, the curvilinear length of the entire arch and of its segments (especially between the brachiocephalic artery trunk and the left subclavian artery), as well as the surface area, angle, height and shift of the arch...
August 22, 2017: British Journal of Radiology
Mitchell Klein
OBJECTIVE: To determine if the lumbar spine can be accurately evaluated on an abdominal CT. METHODS: The electronic medical records at our institution were searched to find all consecutive patients who had an abdominal CT within 12 months of a lumbar spine MRI obtained between 11/1/10 and 10/31/15. The abdominal CT studies were retrospectively reviewed in a blinded fashion for the presence of any significant lumbar spine abnormalities. The prospective lumbar spine MR imaging reports were used as the standard of reference...
August 22, 2017: British Journal of Radiology
Chara E Rydzak, Samuel G Armato, Ricardo S Avila, James L Mulshine, David F Yankelevitz, David S Gierada
After years of assessment through controlled clinical trials, low-dose CT screening for lung cancer is becoming part of clinical practice. As with any cancer screening test, those undergoing lung cancer screening are not being evaluated for concerning signs or symptoms, but are generally in good health and proactively trying to prevent premature death. Given the resultant obligation to achieve the screening aim of early diagnosis while also minimizing the potential for morbidity from workup of indeterminate but ultimately benign screening abnormalities, careful implementation of screening with conformance to currently recognized best practices and a focus on quality assurance is essential...
August 22, 2017: British Journal of Radiology
Domenico Albano, Andrea Borghesi, Giovanni Bosio, Mattia Bertoli, Roberto Maroldi, Raffaele Giubbini, Francesco Bertagna
OBJECTIVE: The aim of the study was to evaluate the computed tomography (CT) and fluorine-18-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) imaging findings of lung mucosa associated lymphoid tissue (MALT) lymphoma. METHODS: Twenty eight patients with histologically-confirmed pulmonary MALT lymphoma who underwent a chest CT and 18F-FDG PET/CT for staging were retrospectively analyzed. The CT images were evaluated to determine morphological pattern of appearance, laterality, localization, number, size, presence of thoracic lymphadenopaties and secondary/combined findings...
August 22, 2017: British Journal of Radiology
Mi-Ri Kwon, Chan Kyo Kim, Jae-Hun Kim
OBJECTIVES: To investigate the variability of diffusion-weighted imaging (DWI) interpretation of Prostate Imaging Reporting and Data System (PI-RADS) version 2 (v2) in evaluating prostate cancer (PCa). METHODS: One hundred fifty-four patients with PCa underwent multiparametric 3T MRI, followed by radical prostatectomy. DWI with different b values (b = 0, 100, 1000 and 1500 s/mm(2)) was obtained. Using the PI-RADS v2, two radiologists independently scored suspicious lesions in each patient and compared DWI of b = 1000 (DWI1000) with 1500 (DWI1500) s/mm(2)...
August 22, 2017: British Journal of Radiology
Fernando Pizarro, Araceli Hernández
OBJECTIVE: To present a method for optimising radiotherapy fractionation schedules using radiobiological tools and taking into account the patient's dose-volume histograms (DVH). METHODS: This method uses a figure of merit based on the uncomplicated tumour control probability (P+) and the generalised equivalent uniform dose (gEUD). A set of doses per fraction is selected in order to find the dose per fraction and the total dose, thus maximising the figure of merit and leading to a biologically effective dose that is similar to the prescribed schedule...
August 22, 2017: British Journal of Radiology
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