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British Journal of Radiology

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https://www.readbyqxmd.com/read/28306335/prognostic-value-of-normal-positron-emission-tomography-myocardial-perfusion-imaging-in-patients-with-known-or-suspected-coronary-artery-disease-a-meta-analysis
#1
A'Di Chen, HaoSen Wang, Bing Fan, YaWei Xu, Wei Chen, Neng Dai
OBJECTIVE: Several studies have confirmed high diagnostic performance of positron emission tomography (PET) myocardial perfusion imaging (MPI) in patients with known or suspected coronary artery disease (CAD). However, whether the superior diagnostic accuracy could translate into improved mortality outcomes remains unknown. The aim of this study was to define the prognostic value of normal PET MPI. METHODS: PubMed and EMBASE were searched to identify related studies up to June 2016...
March 17, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28306332/contrast-enhanced-pulmonary-mra-for-the-primary-diagnosis-of-pulmonary-embolism-current-state-of-the-art-and-future-directions
#2
Donald G Benson, Mark L Schiebler, Michael D Repplinger, Christopher J Fran├žois, Thomas M Grist, Scott B Reeder, Scott K Nagle
Computed tomographic pulmonary angiography (CTPA) is currently considered the imaging standard of care for the diagnosis of pulmonary embolism (PE). Recent advances in contrast enhanced pulmonary magnetic resonance angiography (MRA) techniques have led to increased use of this modality for the detection of PE in the proper clinical setting. This review is intended to provide an introduction to the state of the art techniques used in pulmonary MRA for the detection of PE and to discuss possible future directions for this modality...
March 17, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28291401/pelvic-insufficiency-fracture-pif-incidence-in-patients-treated-with-intensity-modulated-radiation-therapy-imrt-for-gynaecological-or-anal-cancer-single-institution-experience-and-review-of-the-literature
#3
Louis Bazire, Haoping Xu, Jean-Philippe Foy, Malika Amessis, Caroline Malhaire, Kim Cao, Anne De La Rochefordiere, Youlia M Kirova
OBJECTIVE: To summarize the results of pelvic insufficiency fracture (PIF) incidence in patients with anal or gynaecological cancer treated by pelvic intensity-modulated radiation therapy (IMRT). METHODS: The clinical and morphological (CT and/or pelvic MRI) characteristics of patients treated by IMRT at our institution between 2007 and 2014 were analyzed. The global incidence of PIF after external beam radiotherapy and the impact of tumour site (gynaecological or anal cancer) were determined...
March 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28291381/selimetry-a-multicentre-i-131-dosimetry-trial-a-clinical-perspective
#4
Jonathan Wadsley, Rebecca Gregory, Glenn Flux, Kate Newbold, Yong Du, Laura Moss, Andrew Hall, Louise Flanagan, Sarah R Brown
Treatment options for patients with thyroid cancer that is no longer sensitive to iodine therapy are limited. Those treatments which currently exist are associated with significant toxicity. The SELIMETRY trial (EudraCT No 2015-002269-47) aims to investigate the role of the MEK inhibitor Selumetinib in re-sensitising advanced iodine refractory differentiated thyroid cancer to radioiodine therapy. Patients deemed to have sufficient iodine uptake in previously iodine refractory lesions after 4 weeks of Selumetinib therapy will be given an empirical activity of 5...
March 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28291378/magnetic-resonance-spectroscopic-analysis-of-multifidus-muscles-lipid-content-and-association-with-spino-pelvic-malalignment-in-chronic-low-back-pain
#5
Izaya Ogon, Tsuneo Takebayashi, Hiroyuki Takashima, Tomonori Morita, Mitsunori Yoshimoto, Yoshinori Terashima, Toshihiko Yamashita
OBJECTIVE: To analyze intramyocellular lipids (IMCLs) and extramyocellular lipids (EMCLs) of the multifidus muscle (Mm) using MR spectroscopy (MRS) in chronic low back pain (CLBP) and control groups and to identify correlations with spino-pelvic alignment. METHODS: Forty (16 males, 24 females; mean age, 62.9 ┬▒ 1.9 years) patients whose visual analog scale scores were >30 mm for CLBP were included. Further, 40 control participants matched with the CLBP group subjects by sample size, gender and age (17 males, 23 females; mean age, 65...
March 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28291377/dual-energy-ct-applications-in-salivary-gland-lesions
#6
Ashish Chawla, Sivasubramanian Srinivasan, Tze Chwan Lim, Geoiphy Pulickal, Jagadish Shenoy, Wilfred Chin Guan Peh
The increasing availability of dual-energy computed tomography (DECT) has set the stage for an exciting era in CT technology. This technique is extensively used throughout the world with numerous centres working on the applications of DECT in various radiology subspecialty areas. DECT provides many advantages over the conventional single-energy scan. Instead of a single set of images, radiologists have access to multiple sets of images from a single acquisition. The DECT workstation enables the reader to generate images, according to the clinical setting, in order to answer a specific clinical question...
March 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28291375/juvenile-idiopathic-arthritis-what-is-the-utility-of-ultrasound
#7
Hershernpal A S Basra, Paul D Humphries
Juvenile Idiopathic Arthritis is a heterogeneous condition and an important cause of acquired disability in children. Evidence supports early treatment to prevent future complications. This relies on prompt diagnosis, achieved by a high index of clinical suspicion and supportive evidence, including the detection of joint and or tendon inflammation. Ultrasound is a readily accessible, well tolerated, safe and accurate modality for assessing joints and the surrounding soft tissues. It can also be used to guide therapy into those joints and tendon sheaths, resistant to systemic treatments...
March 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28281830/imaging-of-musculoskeletal-manifestations-in-sickle-cell-disease-patients
#8
Vijaya Kosaraju, Alok Harwani, Sasan Partovi, Nicholas Bhojwani, Vasant Garg, Sabarish Ayyappan, Christos Kosmas, Mark Robbin
Sickle cell disease (SCD) is a hereditary red cell disorder with clinical manifestations secondary to sickling or crescent shaped distortion of the red blood cells. Major clinical manifestations of sickle cell disease include hemolytic anemia and vaso-occlusive phenomena resulting in ischemic tissue injury and organ damage. Chronic sequelae of the anemia and vaso-occlusive processes involving the musculoskeletal system include complications related to extramedullary hematopoiesis, osteonecrosis, myonecrosis, and osteomyelitis...
March 10, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28281789/preliminary-study-on-the-differentiation-between-parapelvic-cyst-and-hydronephrosis-with-non-calculous-using-only-pre-contrast-dual-energy-spectral-ct-scans
#9
Dong Han, Guangming Ma, Lequn Wei, Chenglong Ren, Jieli Zhou, Chen Shen, Taiping He
OBJECTIVE: To investigate the value of using the quantitative parameters from only the pre-contrast dual-energy spectral CT imaging for distinguishing between parapelvic cyst and hydronephrosis with non-calculous (HNC). METHODS: This retrospective study was approved by the institutional review board. 28 patients with parapelvic cyst and 24 patients with hydronephrosis with non-calculous (HNC) who underwent standard pre-contrast and multi-phase contrast-enhanced dual-energy spectral CT imaging were retrospectively identified...
March 10, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28281784/image-quality-of-cone-beam-computed-tomography-for-evaluation-of-extremity-fractures-in-the-presence-of-metal-hardware-visual-grading-characteristics-analysis
#10
Greg M Osgood, Gaurav K Thawait, Nima Hafezi-Nejad, Delaram Shakoor, Adam Shaner, John Yorkston, Wojciech B Zbijewski, Jeffrey H Siewerdsen, Shadpour Demehri
OBJECTIVES: To evaluate image quality and inter-observer reliability of novel Cone Beam CT (CBCT) scanner in comparison with plain radiography for assessment of fracture healing in presence of metal hardware. METHODS: In this prospective IRB approved HIPAA complaint study, written informed consent was obtained from 27 patients (10 females; 17 males, mean age 44 years, age range 21- 83 years) with either upper or lower extremity fracture, and with metal hardware, who underwent CBCT scans and had a clinical radiograph of the affected part...
March 10, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28269996/correction-to-the-potential-of-multiparametric-mri-of-the-breast
#11
(no author information available yet)
No abstract text is available yet for this article.
March 8, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28257237/curative-effect-and-mechanism-of-radiofrequency-ablation-nucleoplasty-in-the-treatment-of-cervical-vertigo
#12
Hai-Dong Yin, Xin-Mei Zhang, Ming-Guang Huang, Wei Chen, Yang Song, Qing-Jun Du, Yu-Ning Wu, Ruo-Bin Yang
OBJECTIVE: This study aims to investigate the curative effects and mechanism of radiofrequency ablation nucleoplasty in the treatment of cervical vertigo. METHODS: A total of 27 patients diagnosed with cervical vertigo from January 2012 to October 2014 received treatment of radiofrequency ablation nucleoplasty. The narrow-side vertebral artery diameters were examined by using Philips 1.5-T body dual-gradient MRI system. The haemodynamic parameters were detected by using transcranial Doppler sonography...
March 3, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28256923/ultrasound-guided-high-intensity-focused-ultrasound-combined-with-gonadotropin-releasing-hormone-analogue-gnrha-ablating-uterine-leiomyoma-with-homogeneous-hyperintensity-on-t2-weighted-mr-imaging
#13
Shenghua Yang, Fanjing Kong, Ruijie Hou, Fengmin Rong, Nana Ma, Shaoping Li, Jun Yang
OBJECTIVES: The study aimed to evaluate the safety and efficiency of Ultrasound guided high-intensity focused ultrasound (USgHIFU) combined with gonadotropin releasing hormone analogue (GnRHa) ablating symptomatic uterine leiomyoma with homogeneous hyperintensity on T2-weighted MR imaging prospectively. METHODS: A total of 34 patients with 42 symptomatic uterine leiomyomas with homogeneous hyperintensity on T2-weighted MR imaging were enrolled in our study. The patient who had multiple uterine leiomyomas, only one dominant leiomyoma was treated...
March 3, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28256908/assessment-with-cone-beam-computed-tomography-of-intrafractional-motion-and-interfractional-position-changes-of-resectable-and-borderline-resectable-pancreatic-tumors-with-implanted-fiducial-marker
#14
Shingo Ohira, Masaru Isono, Yoshihiro Ueda, Takero Hirata, Reiko Ashida, Hidenori Takahashi, Masayoshi Miyazaki, Masaaki Takashina, Masahiko Koizumi, Teruki Teshima
OBJECTIVES: The volume of targets to which a high radiation dose can be delivered is limited for pancreatic radiotherapy. We assessed changes in movements of pancreatic tumors between simulation and treatment, and determined compensatory margins. METHODS: For 23 patients, differences in implanted fiducial marker motion magnitude (MMM) and mean marker position (MMP) between 4DCT and CBCT were measured. Subsequently, residual uncertainty was simulated after no action level (NAL) and extended NAL (eNAL) protocols were adopted...
March 3, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28256905/effect-of-bone-reading-ct-software-on-radiologist-performance-in-detecting-bone-metastases-from-breast-cancer
#15
Ji Young Ha, Kyung Nyeo Jeon, Kyungsoo Bae, Bong Hoi Choi
OBJECTIVE: To evaluate the effect of CT software that generates rib unfolding images and automatically numbers ribs and thoracic spines on radiologist's performance in detecting thoracic bone metastases from breast cancer. METHODS: A total of 126 breast cancer patients who underwent chest CT and FDG-PET/CT and/or bone scans were retrospectively reviewed. One board-certified radiologist (R1) and one radiology resident (R2) independently assessed the original chest CT and rib unfolding images using a commercially available post-processing software (Bone Reading) application to evaluate metastasis in the ribs and thoracic spines...
March 3, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28256902/the-role-of-colonoscopy-and-ct-colonography-in-patients-presenting-with-symptoms-of-constipation
#16
Kumaran Ratnasingham, Tammy Lo, Karim Jamal, Lavanya Varatharajan, Yasmin Tabbakh, Hussein Kaderbhai, Nicholas J West
OBJECTIVES: There is controversy whether constipation as a primary presenting complaint is an indication for diagnostic colonoscopy. Computed tomographic colonography (CTC) is a less invasive and more acceptable alternative. We compared the completion and sensitivity of colonoscopy with CTC in patients who presented with the primary symptom of constipation. METHOD: A retrospective study was conducted which examined the first 100 colonoscopies and 100 CTCs carried out for the primary symptom of constipation from June 2012 to December 2013...
March 3, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28256901/diagnosis-of-typical-and-atypical-transitional-zone-prostate-cancer-and-its-mimics-at-multiparametric-prostate-mri
#17
Jinxing Yu, Ann S Fulcher, Sarah G Winks, Mary A Turner, Ryan D Clayton, Michael Brooks, Sean Li
Many of the current clinical screening methods for prostate cancer (PCa) such as prostate specific antigen (PSA) testing or trans-rectal ultrasound (TRUS)-guided prostate biopsy lack sensitivity and specificity for diagnosis of PCa of the transition zone (TZ). Recent technical advances in multiparametric-MRI (mp-MRI) have markedly improved detection of PCa of the TZ. However, there are many diagnostic challenges we still encounter in our daily practice that compromise the accuracy of the diagnosis. By performing both MRI-guided and US/MRI fusion-guided biopsies, we have gained extensive experience in the diagnosis of PCa of the TZ...
March 3, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28256900/computed-tomography-findings-in-epstein-barr-virus-ebv-positive-diffuse-large-b-cell-lymphoma-dlbcl-of-the-elderly-comparison-with-ebv-negative-dlbcl
#18
Kouhei Tokuyama, Fumito Okada, Haruka Sato, Shunro Matsumoto, Akira Matsumoto, Ayako Haruno, Kenji Kashima, Masao Ogata, Eiichi Ohtsuka, Hiromu Mori
OBJECTIVES: This study aimed to compare CT findings in patients with Epstein-Barr virus positive (EBV+) diffuse large B-cell lymphoma (DLBCL) of the elderly with CT findings in patients with Epstein-Barr virus negative (EBV-) DLBCL. METHODS: We retrospectively identified nine consecutive patients with EBV+ DLBCL (six men, three women; aged 72-83 years, mean: 76.2 years) and 39 consecutive patients with EBV- DLBCL (19 men, 20 women; aged 53-91 years, mean: 71.3 years) who had undergone CT examinations between September 2007 and August 2016...
March 3, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28256898/the-future-of-image-guided-radiotherapy-will-be-mr-guided
#19
Julianne M Pollard, Zhifei Wen, Ramaswamy Sadagopan, Jihong Wang, Geoffrey S Ibbott
Advances in image-guided radiotherapy (IGRT) have allowed for dose escalation and more precise radiation treatment delivery. Each decade brings new imaging technologies to help improve radiotherapy patient setup. Currently, the most frequently used method of 3D pre-treatment image verification is performed with cone-beam CT. However, more recent developments have provided radiotherapy with the ability to have on-board magnetic resonance (MR) imaging coupled to the Tele-radiotherapy unit. This latest tool for treating cancer is known as MR-guided radiotherapy (MR-gRT) ...
March 3, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28134568/in-utero-mr-imaging-in-fetuses-at-high-risk-of-lissencephaly
#20
Fionn Williams, Paul D Griffiths
OBJECTIVE: Lissencephaly is a rare disorder of cortical developmental, which usually carries increased risk of recurrence in future pregnancies. In this prospective observational study, we wished to test the hypothesis that sulcation patterns can be used to diagnose lissencephaly successfully on in utero MR (iuMR) imaging in the third-trimester but not in the late second-trimester fetus. METHODS: Pregnant females were recruited into this study if they had an increased risk of fetal lissencephaly based on a fetus or child with lissencephaly in an earlier pregnancy...
March 3, 2017: British Journal of Radiology
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