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Quantitative Imaging in Medicine and Surgery

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https://www.readbyqxmd.com/read/27709089/magnetic-resonance-enterography-findings-of-a-gastrocolic-fistula-in-crohn-s-disease
#1
Sanne N van Munster, Mark F J Stolk, Karel C Kuypers, Rene Wiezer, Thomas L Bollen
No abstract text is available yet for this article.
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709088/an-unusual-cause-of-back-pain-in-a-child-spinal-subdural-haematoma-secondary-to-intracranial-arachnoid-cyst-haemorrhage
#2
Yu Jin Lee, Robert Barker
No abstract text is available yet for this article.
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709087/towards-consistency-for-magnetic-resonance-mr-relaxometry-of-lumbar-intervertebral-discs
#3
Yì-Xiáng J Wáng
No abstract text is available yet for this article.
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709086/a-large-heterotopic-ossification-in-a-25-years-old-laparotomy-scar
#4
Robbert J H van Leeuwen, Tim Kraal, Sander Scholtens, Gijs Visser
No abstract text is available yet for this article.
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709085/bilateral-renal-lymphangiectasia-an-unusual-cause-of-abdominal-distension-and-flank-pain-in-a-child
#5
Richa Arora
No abstract text is available yet for this article.
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709084/scientific-papers-presented-orally-at-radiology-meetings-trends-in-subspecialty-publication-rates-and-adaptations-associated-with-the-highest-impact-factor-journal-publications
#6
Will Loughborough, Helen Dale, Adam H Youssef, James H Wareham, Mark A Rodrigues, Jonathan C L Rodrigues
No abstract text is available yet for this article.
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709083/combined-computed-tomography-ct-scintigraphy-strategy-may-help-in-diagnostic-dilemmas-in-interstitial-lung-disease-ild
#7
Mehrzad Bahtouee, Jamshid Saberifard, Iraj Nabipour, Majid Assadi
No abstract text is available yet for this article.
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709082/a-rare-case-of-facial-neurofibroma
#8
Lan Sun, Lingli Tu, Enqiang Liu, Jin Zhang, Man Wei, Guiyu Wei
No abstract text is available yet for this article.
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709081/parascapular-mass-revealing-primary-tuberculosis-of-the-posterior-arch
#9
Anais Arbault, Paul Ornetti, Romaric Loffroy, Olivier Chevallier, Julien Avril, Pierre Pottecher
We report the case of a parascapular abscess revealing primary tuberculosis of the posterior arch in a 31-year-old man. Sectional imaging is essential in order to detect the different lesions of this atypical spinal tuberculosis as osteolysis of the posterior arch extendible to vertebral body, osteocondensation, epidural extension which is common in this location, and high specificity of a zygapophysial, costo-vertebral or transverse arthritis.
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709080/idiopathic-heterotopic-ossification-of-bilateral-subscapularis-tendons-illustration-of-a-rare-entity-and-a-concise-literature-review
#10
Richa Arora
Ossification of the subscapularis tendon is an extremely uncommon, poorly described lesion with little known about its etiopathogenesis and clinical significance. To the best of our knowledge, only three cases of this entity have been reported till now, which were all unilateral. The authors present first case of ossification of bilateral subscapularis tendons in a 57-year-old male and hope that with increase in the number of reported cases, proper guidelines for management of such cases can be formulated.
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709079/functional-magnetic-resonance-imaging-techniques-and-their-development-for-radiation-therapy-planning-and-monitoring-in-the-head-and-neck-cancers
#11
Jing Yuan, Gladys Lo, Ann D King
Radiation therapy (RT), in particular intensity-modulated radiation therapy (IMRT), is becoming a more important nonsurgical treatment strategy in head and neck cancer (HNC). The further development of IMRT imposes more critical requirements on clinical imaging, and these requirements cannot be fully fulfilled by the existing radiotherapeutic imaging workhorse of X-ray based imaging methods. Magnetic resonance imaging (MRI) has increasingly gained more interests from radiation oncology community and holds great potential for RT applications, mainly due to its non-ionizing radiation nature and superior soft tissue image contrast...
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709078/statistical-assessment-of-bi-exponential-diffusion-weighted-imaging-signal-characteristics-induced-by-intravoxel-incoherent-motion-in-malignant-breast-tumors
#12
Jing Yuan, Oi Lei Wong, Gladys G Lo, Helen H L Chan, Ting Ting Wong, Polly S Y Cheung
BACKGROUND: The purpose of this study is to statistically assess whether bi-exponential intravoxel incoherent motion (IVIM) model better characterizes diffusion weighted imaging (DWI) signal of malignant breast tumor than mono-exponential Gaussian diffusion model. METHODS: 3 T DWI data of 29 malignant breast tumors were retrospectively included. Linear least-square mono-exponential fitting and segmented least-square bi-exponential fitting were used for apparent diffusion coefficient (ADC) and IVIM parameter quantification, respectively...
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709077/correlation-between-pneumonitis-risk-in-radiation-oncology-and-lung-density-measured-with-x-ray-computed-tomography
#13
Abdulhamid Chaikh, Jacques Balosso
BACKGROUND: The risk of toxicity with radiation oncology for lung cancer limits the maximal radiation dose that can be delivered to thoracic tumors. This study aims at investigating the correlation between normal tissue complication probability (NTCP) and physical lung density by analyzing the computed tomography (CT) scan imaging used for radiotherapy dose planning. METHODS: Data from CT of lung cancer patients (n=10), treated with three dimensional radiotherapy, were selected for this study...
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709076/lumbar-intervertebral-discs-t2-relaxometry-and-t1%C3%AF-relaxometry-correlation-with-age-in-asymptomatic-young-adults
#14
Rafael Menezes-Reis, Carlos E Garrido Salmon, Gustavo P Bonugli, Debora Mazoroski, Mauricio H Tamashiro, Leonor G Savarese, Marcello Henrique Nogueira-Barbosa
BACKGROUND: To investigate the detection of intervertebral disc (IVD) composition aging-related changes using T2 and T1ρ relaxometry in vivo in asymptomatic young adults. METHODS: We recruited ninety asymptomatic and young adults (42 men and 48 women) between 20 and 40 years old. T2 and T1ρ lumbar spine mappings were acquired using 1.5 T magnetic resonance imaging (MRI) scanner. Two independent observers manually segmented 450 lumbar discs in all slices. They also performed sub region segmentation of annulus fibrosus (AF) and nucleus pulposus (NP) at the central MRI sagittal slices...
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709075/automated-registration-and-enhanced-processing-of-clinical-optical-coherence-tomography-angiography
#15
Acner Camino, Miao Zhang, Changlei Dongye, Alex D Pechauer, Thomas S Hwang, Steven T Bailey, Brandon Lujan, David J Wilson, David Huang, Yali Jia
BACKGROUND: Motion artifacts degrade the quality of optical coherence tomography angiography (OCTA). Orthogonal registration can eliminate the majority of these artifacts, but some artifacts persist in most clinical images. We evaluate an automated registration algorithm with selective merging and filtering to remove remaining artifacts and improve the quality of images. METHODS: A 70 kHz commercial spectral domain OCT was used to obtain 3 mm × 3 mm OCTA in 10 healthy, 5 age-related macular degeneration (AMD), and 31 diabetic retinopathy (DR) participants...
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709074/correlation-of-delta-high-resolution-computed-tomography-hrct-score-with-delta-clinical-variables-in-early-systemic-sclerosis-ssc-patients
#16
Suparaporn Wangkaew, Juntima Euathrongchit, Pittaporn Wattanawittawas, Nuntana Kasitanon
BACKGROUND: The correlation of changes (delta: Δ) of high-resolution computed tomography (HRCT) score with the Δ of other clinical variables has not been well studied. The purpose of this study was to determine the correlation of Δ HRCT score with Δ percent predicted forced vital capacity (%pFVC), Δ modified Rodnan Skin Score (mRSS), Δ erythrocyte sedimentation rate (ESR), and Δ percent of oxygen saturation at room air (%SpO2) in patients with early systemic sclerosis (SSc). METHODS: We used an inception cohort of early-SSc patients seen at the Rheumatology Clinic, Chiang Mai University, Thailand, between January 2010 and June 2014...
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709073/effects-of-magnetic-field-strength-and-b-value-on-the-sensitivity-and-specificity-of-quantitative-breast-diffusion-weighted-mri
#17
Mohammad Eghtedari, Jingfei Ma, Patricia Fox, Inanc Guvenc, Wei T Yang, Basak E Dogan
BACKGROUND: To evaluate the effect of b value or the magnetic field strength (B0) on the sensitivity and specificity of quantitative breast diffusion-weighted imaging (DWI). METHODS: A total of 126 patients underwent clinical breast MRI that included pre-contrast DWI imaging using b values of both 1,000 and 1,500 s/mm(2) at either 1.5 T (n=86) or 3.0 T (n=40). Quantitative apparent diffusion coefficients (ADC) were measured and compared for 18 benign, 33 malignant lesions, and 126 normal breast tissues...
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709072/hirayama-s-disease-an-italian-single-center-experience-and-review-of-the-literature
#18
Valerio Vitale, Ferdinando Caranci, Chiara Pisciotta, Fiore Manganelli, Francesco Briganti, Lucio Santoro, Arturo Brunetti
BACKGROUND: Hirayama's disease (HD), is a benign, self-limited, motor neuron disease, characterized by asymmetric weakness and atrophy of one or both distal upper extremities. In the present study we report the clinical, electrophysiological and MRI features of a group of Italian patients, with review of the literature. Moreover we propose an optimized MRI protocol for patients with suspected or diagnosed HD in order to make an early diagnosis and a standardized follow up. METHODS: Eight patients with clinical suspicion of Hirayama disease underwent evaluation between January 2007 and November 2013...
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709071/black-blood-t1rho-mr-imaging-may-diagnose-early-stage-liver-fibrosis-a-proof-of-principle-study-with-rat-biliary-duct-ligation-model
#19
Chi-Man Koon, Xin Zhang, Weitian Chen, Eagle Siu Hong Chu, Clara Bik San Lau, Yì-Xiáng J Wáng
BACKGROUND: To explore black blood T1rho (T1ρ) liver imaging and investigate the earliest stage when biliary duct ligation (BDL) induced liver fibrosis can be diagnosed. METHODS: MR was performed at 3 Tesla. A T1ρ prepared 2D fast spin echo (FSE) sequence with acquisition of four spin lock times (TSLs: 1, 10, 30, and 50 msec) and spin-lock frequency of 500 Hz was applied. Inherent black blood effect of FSE and double inversion recovery (DIR) achieved blood signal suppression, and 3 axial sections per liver were obtained...
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27709070/endovascular-stent-placement-for-chronic-post-thrombotic-symptomatic-ilio-femoral-venous-obstructive-lesions-a-single-center-study-of-safety-efficacy-and-quality-of-life-improvement
#20
Marie-Tiphaine Falcoz, Nicolas Falvo, Serge Aho-Glélé, Emmanuel Demaistre, Christophe Galland, Sylvain Favelier, Pierre Pottecher, Olivier Chevallier, Bernard Bonnotte, Sylvain Audia, Maxime Samson, Béatrice Terriat, Marco Midulla, Romaric Loffroy
BACKGROUND: Post-thrombotic syndrome (PTS) is a frequent complication of deep vein thrombosis (DVT) despite adequate treatment. Venous angioplasty and stent placement has been progressively used to restore and maintain venous patency in PTS patients. This study reports our single-center experience with the use of endovascular treatment for chronic post-thrombotic symptomatic ilio-femoral venous obstructive lesions. METHODS: A prospective mono-centric observational cohort study of PTS patients with chronic symptomatic ilio-femoral venous obstructive lesions referred for endovascular treatment was conducted from March 2012 to April 2016...
August 2016: Quantitative Imaging in Medicine and Surgery
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