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https://www.readbyqxmd.com/read/29457246/randomized-controlled-prospective-clinical-trial-of-autologous-greater-omentum-free-graft-versus-autogenous-cancellous-bone-graft-in-radial-and-ulnar-fractures-in-miniature-breed-dogs
#1
Jennifer J Ree, Wendy I Baltzer, Sarah Nemanic
OBJECTIVE: To determine the rate of radiographic healing, complications, vascularization, and bone density after repair of radial and ulnar fractures in dogs <6 kg that were treated with an autogenous cancellous bone graft (BG) or free autologous omentum graft (OG). STUDY DESIGN: Prospective, randomized, controlled clinical trial with owners/radiologists blinded to treatment. ANIMALS: 25 dogs with naturally occurring traumatic radial/ulnar fractures...
February 19, 2018: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29456872/accuracy-in-local-staging-of-prostate-cancer-by-adding-a-three-dimensional-t2-weighted-sequence-with-radial-reconstructions-in-magnetic-resonance-imaging
#2
Fredrik Jäderling, Tommy Nyberg, Michael Öberg, Stefan Carlsson, Mikael Skorpil, Lennart Blomqvist
Background: The evidence supporting the use of magnetic resonance imaging (MRI) in prostate cancer detection has been established, but its accuracy in local staging is questioned. Purpose: To investigate the additional value of multi-planar radial reconstructions of a three-dimensional (3D) T2-weighted (T2W) MRI sequence, intercepting the prostate capsule perpendicularly, for improving local staging of prostate cancer. Material and Methods: Preoperative, bi-parametric prostate MRI examinations in 94 patients operated between June 2014 and January 2015 where retrospectively reviewed by two experienced abdominal radiologists...
February 2018: Acta Radiologica Open
https://www.readbyqxmd.com/read/29456390/evaluation-of-clinical-and-magnetic-resonance-imaging-profile-of-pituitary-macroadenoma-a-prospective-study
#3
Kamini Gupta, Shivam Sahni, Kavita Saggar, Gaurav Vashisht
Background: Pituitary macroadenoma is a common tumor of middle-aged people. Magnetic resonance imaging (MRI) is the investigation of choice for its evaluation. Various parameters regarding the extent, consistency, and contrast uptake can be studied and a noninvasive diagnosis is possible. Aims and Objectives: To study the MRI features and extent of pituitary macroadenomas. Materials and Methods: We studied clinical and MRI features of 33 patients of all age groups and both sexes with pituitary macroadenomas who presented to Dayanand Medical College and Hospital, Ludhiana from January 2014 to June 2015...
January 2018: Journal of Natural Science, Biology, and Medicine
https://www.readbyqxmd.com/read/29455962/needle-localization-of-small-pulmonary-nodules-lessons-learned
#4
Patricia A Thistlethwaite, Jonathan R Gower, Moises Hernandez, Yu Zhang, Andrew C Picel, Anne C Roberts
BACKGROUND: Lung nodules that are small and deep within lung parenchyma, and have semisolid characteristics are often challenging to localize with video-assisted thoracoscopic surgery (VATS). We describe our cumulative experience using needle localization of small nodules before surgical resection. We report procedural tips, operative results, and lessons learned over time. METHODS: A retrospective review of all needle localization cases between July 1, 2006, and December 30, 2016, at a single institution was performed...
January 17, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29455770/use-of-coronary-hardware-in-peripheral-vascular-interventions-necessity-fostered-ingenuity-is-it-solution-enough
#5
REVIEW
Kiron Varghese, Srilakshmi M Adhyapak
In third world countries like India, where there is a paucity of dedicated interventional radiologists and training fellowships in peripheral interventions, it is the onus of the cardiologist to perform peripheral interventions. This coupled with logistic constraints of unavailability of medical insurance for majority of the population, makes it necessary to modify coronary hardware for use in peripheral interventions. Here, we discuss the modifications and simplifications performed to ensure optimal quality of clinical outcomes...
January 2018: Indian Heart Journal
https://www.readbyqxmd.com/read/29455473/comparison-between-magnetic-resonance-imaging-computed-tomography-and-arthrography-to-identify-artificially-induced-cartilage-defects-of-the-equine-carpal-joints
#6
José Suarez Sanchez-Andrade, Henning Richter, Karolin Kuhn, Andrea S Bischofberger, Patrick R Kircher, Séamus Hoey
While articular cartilage changes are considered to be one of the initial events in the pathological cascade leading to osteoarthritis, these changes remain difficult to detect using conventional diagnostic imaging modalities such as plain radiography. The aim of this prospective, experimental, methods comparison study was to compare the sensitivity of magnetic resonance imaging (MRI), magnetic resonance arthrography, computed tomography (CT), and CT arthrography in the detection of artificially induced articular cartilage defects in the equine carpal joints...
February 18, 2018: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/29455080/optimized-multi-level-elongated-quinary-patterns-for-the-assessment-of-thyroid-nodules-in-ultrasound-images
#7
U Raghavendra, Anjan Gudigar, M Maithri, Arkadiusz Gertych, Kristen M Meiburger, Chai Hong Yeong, Chakri Madla, Pailin Kongmebhol, Filippo Molinari, Kwan Hoong Ng, U Rajendra Acharya
Ultrasound imaging is one of the most common visualizing tools used by radiologists to identify the location of thyroid nodules. However, visual assessment of nodules is difficult and often affected by inter- and intra-observer variabilities. Thus, a computer-aided diagnosis (CAD) system can be helpful to cross-verify the severity of nodules. This paper proposes a new CAD system to characterize thyroid nodules using optimized multi-level elongated quinary patterns. In this study, higher order spectral (HOS) entropy features extracted from these patterns appropriately distinguished benign and malignant nodules under particle swarm optimization (PSO) and support vector machine (SVM) frameworks...
February 7, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29453618/lumbosacral-transitional-vertebrae-significance-of-local-bone-marrow-edema-at-the-transverse-processes
#8
Mika T Nevalainen, Eoghan McCarthy, William B Morrison, Adam C Zoga, Johannes B Roedl
OBJECTIVE: To evaluate the association between low back pain and bone marrow edema in lumbosacral transitional vertebra (LSTV) transverse processes, and to assess the prevalence of LSTV in a physically active population. MATERIALS AND METHODS: Individuals with LSTV on coronal MRI studies were identified in a retrospective review by keyword search from PACS. In total, 140 cases were reviewed by two fellowship-trained musculoskeletal radiologists. Data on associated low back pain were collected from patient records at the time of the imaging...
February 16, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29453512/global-and-japanese-regional-variations-in-radiologist-potential-workload-for-computed-tomography-and-magnetic-resonance-imaging-examinations
#9
Kanako K Kumamaru, Akihiro Machitori, Ritsuko Koba, Shinpei Ijichi, Yasuo Nakajima, Shigeki Aoki
PURPOSE: To investigate the global variation in radiologist potential workload for CT and MRI examinations, and the regional variation in potential workload and extent of radiologists' involvement in CT and MRI examinations in Japan. METHODS: "Radiologist potential workload" was defined as the annual number of CT plus MRI examinations divided by the total number of diagnostic radiologists. The extent of radiologists' involvement was measured as the proportion of CT and MRI examinations to which "Added-fees for Radiological Managements on Imaging-studies (ARMIs)" were applied among eligible examinations...
February 16, 2018: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/29452852/reduction-of-patient-radiation-dose-with-a-new-organ-based-dose-modulation-technique-for-thoraco-abdominopelvic-computed-tomography-ct-liver-dose-right-index
#10
M Fillon, S Si-Mohamed, P Coulon, A Vuillod, P Klahr, L Boussel
PURPOSE: To evaluate the radiation dose reduction, image quality and diagnostic confidence with thoraco-abdominopelvic computed tomography (TACT) using a new organ based dose modulation system (liver dose right index [Liver DRI]), compared to TACT using a standard automatic exposure control adjusting mA according to attenuation. METHODS: A total of 37 patients who had two TACT examinations on 2 different CT scanners, one using standard automatic exposure control (combination of a DoseRight automatic current selection and Z modulation) and one using Liver DRI were included...
February 13, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29451848/mr-imaging-of-atraumatic-muscle-disorders
#11
Edward Smitaman, Dyan V Flores, Catalina Mejía Gómez, Mini N Pathria
Atraumatic disorders of skeletal muscles include congenital variants; inherited myopathies; acquired inflammatory, infectious, or ischemic disorders; neoplastic diseases; and conditions leading to muscle atrophy. These have overlapping appearances at magnetic resonance (MR) imaging and are challenging for the radiologist to differentiate. The authors organize muscle disorders into four MR imaging patterns: (a) abnormal anatomy with normal signal intensity, (b) edema/inflammation, (c) mass, and (d) atrophy, highlighting each of their key clinical and imaging findings...
February 16, 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29450852/major-pancreatic-resections-normal-postoperative-findings-and-complications
#12
Marco Chincarini, Giulia A Zamboni, Roberto Pozzi Mucelli
OBJECTIVES: (1) To illustrate and describe the main types of pancreatic surgery; (2) to discuss the normal findings after pancreatic surgery; (3) to review the main complications and their radiological findings. BACKGROUND: Despite the decreased postoperative mortality, morbidity still remains high resulting in longer hospitalisations and greater costs. Imaging findings following major pancreatic resections can be broadly divided into "normal postoperative alterations" and real complications...
February 15, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/29450843/detection-of-lung-contour-with-closed-principal-curve-and-machine-learning
#13
Tao Peng, Yihuai Wang, Thomas Canhao Xu, Lianmin Shi, Jianwu Jiang, Shilang Zhu
Radiation therapy plays an essential role in the treatment of cancer. In radiation therapy, the ideal radiation doses are delivered to the observed tumor while not affecting neighboring normal tissues. In three-dimensional computed tomography (3D-CT) scans, the contours of tumors and organs-at-risk (OARs) are often manually delineated by radiologists. The task is complicated and time-consuming, and the manually delineated results will be variable from different radiologists. We propose a semi-supervised contour detection algorithm, which firstly uses a few points of region of interest (ROI) as an approximate initialization...
February 15, 2018: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/29450613/extracolonic-findings-and-radiation-at-ct-colonography-what-the-referring-provider-needs-to-know
#14
Judy Yee, Elizabeth McFarland
A better understanding of the risks and benefits of extracolonic findings and radiation dose will aid in the safe and proper implementation of CT colonography in clinical practice. The majority of extracolonic findings in screening patients are benign and can be ignored by referring physicians. Radiologists also need to be responsible in reporting extracolonic findings. Referring providers must be knowledgeable about the theoretic risks and controversies regarding the use of ionizing radiation. Screening CT colonography imparts a low-level of radiation to patients that is equivalent or less than annual background dose...
February 15, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29450562/-which-typical-foot-fractures-should-the-radiologist-know
#15
REVIEW
G Bratke, V Neuhaus, K Slebocki, S Haneder, R Rau
CLINICAL/METHODICAL ISSUE: Due to mechanical loading and the number of joints involved, fractures of the foot are among the most common fractures. STANDARD RADIOLOGICAL METHODS: X-ray is basis for diagnostic workup of all foot fractures. METHODICAL INNOVATIONS: For stress fractures, the additional use of magnetic resonance imaging (MRI) is indicated. Computed tomography (CT) can be used for preoperative imaging of intraarticular tarsal fractures...
February 15, 2018: Der Radiologe
https://www.readbyqxmd.com/read/29449283/clinical-validation-of-a-predictive-model-for-the-presence-of-cervical-lymph-node-metastasis-in-papillary-thyroid-cancer
#16
N U Patel, K E Lind, K McKinney, T J Clark, S S Pokharel, J M Meier, E R Stamm, K Garg, B Haugen
BACKGROUND AND PURPOSE: Ultrasound is a standard technique to detect lymph node metastasis in papillary thyroid cancer. Cystic changes and microcalcifications are the most specific features of metastasis, but with low sensitivity. This prospective study compared the diagnostic accuracy of a predictive model for sonographic evaluation of lymph nodes relative to the radiologist's standard assessment in detecting papillary thyroid cancer metastasis in patients after thyroidectomy. MATERIALS AND METHODS: Cervical lymph node sonographic images were reported by a radiologist (R method) per standard practice...
February 15, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29449145/antithrombotic-therapy-following-venous-stenting-international-delphi-consensus
#17
Kristijonas Milinis, Ankur Thapar, Joseph Shalhoub, Alun H Davies
OBJECTIVE/BACKGROUND: Deep venous stenting is increasingly used in the treatment of deep venous obstruction; however, there is currently no consensus regarding post-procedural antithrombotic therapy. The aim of the present study was to determine the most commonly used antithrombotic regimens and facilitate global consensus. METHODS: An electronic survey containing three clinical scenarios on venous stenting for non-thrombotic iliac vein lesions, acute deep vein thrombosis (DVT), and post-thrombotic syndrome was distributed to five societies whose members included vascular surgeons, interventional radiologists, and haematologists...
February 12, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29449143/gender-trends-in-academic-radiology-publication-in-the-united-states-revisited
#18
Erin E O'Connor, Pauline Chen, Brian Weston, Redmond Anderson, Timothy Zeffiro, Awad Ahmed, Thomas A Zeffiro
RATIONALE AND OBJECTIVES: Although substantial increases in publications by female academic radiologists have appeared over the last several decades, it is possible that the rate of increase is decreasing. We examined temporal trends in gender composition for full-time radiology faculty, radiology residents, and medical students over a 46-year period. METHODS: We examined authorship gender trends to determine if the increases in female authorship seen since 1970 have been sustained in recent years and whether female radiologists continue to publish in proportion to their numbers in academic departments...
February 12, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29449042/computed-tomography-imaging-of-non-neoplastic-and-neoplastic-benign-gastric-disease
#19
REVIEW
Maria Zulfiqar, Anup Shetty, Vilaas Shetty, Christine Menias
Gastric disease is a common finding in patients imaged in the emergency department, with radiologists encountering more and more benign gastric disease on CT. In this case based review, we discuss CT appearance of various benign gastric pathology including self-limiting conditions such as gastritis, different benign gastric neoplasms, as well as life threatening disorders such as perforation, obstruction, and hemorrhage.
January 11, 2018: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/29448291/subspecialized-radiological-reporting-expedites-turnaround-time-of-radiology-reports-and-increases-productivity
#20
Christoph Stern, Thomas Boehm, Burkhardt Seifert, Nadine Kawel-Boehm
INTRODUCTION: To assess the impact of changing from general to subspecialized reporting on turnaround time of radiology reports (TAT), the fraction of radiology reports available within 24 hours (R< 24 h) and productivity. MATERIALS AND METHODS: Reporting workflow in our radiology department was changed from general reporting (radiologists report imaging studies of all areas [neuroradiological, abdominal, musculoskeletal imaging et cetera]) to subspecialized reporting (radiologists solely report imaging studies of their subspecialty field [e...
February 15, 2018: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
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