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Diagnostic and Interventional Imaging

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https://www.readbyqxmd.com/read/29778401/high-intensity-focused-ultrasound-the-fundamentals-clinical-applications-and-research-trends
#1
I A Shehata Elhelf, H Albahar, U Shah, A Oto, E Cressman, M Almekkawy
Diagnostic ultrasound has been clinically used for decades. More recently, high intensity focused ultrasound (HIFU) has been developed for therapeutic use as a non-invasive technique for tissue ablation. HIFU is also being investigated for advanced applications at the cellular level. Under guidance by magnetic resonance or ultrasound imaging, HIFU can achieve precise biological effects in tissue with a high safety profile. In this article, we discuss the basic principles, advantages and limitations of HIFU...
May 17, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29773346/predicting-inferior-vena-cava-ivc-filter-retrievability-using-positional-parameters-a-comparative-study-of-various-filter-types
#2
A Gotra, C Doucet, P Delli Fraine, A Bessissow, C Dey, B Gallix, L-M Boucher, D Valenti
PURPOSE: To compare changes in inferior vena cava (IVC) filter positional parameters from insertion to removal and examine how they affect retrievability amongst various filter types. MATERIALS AND METHODS: A total of 447 patients (260 men, 187 women) with a mean age of 55 years (range: 13-91 years) who underwent IVC filter retrieval between 2007-2014 were retrospectively included. Post-insertion and pre-retrieval angiographic studies were assessed for filter tilt, migration, strut wall penetration and retrieval outcomes...
May 14, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29754871/dynamic-contrast-enhanced-mr-imaging-of-the-rectum-correlations-between-single-section-and-whole-tumor-histogram-analyses
#3
M H Choi, S N Oh, G E Park, D-M Yeo, S E Jung
PURPOSE: To evaluate the interobserver and intermethod correlations of histogram metrics of dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) parameters acquired by multiple readers using the single-section and whole-tumor volume methods. MATERIALS AND METHODS: Four DCE parameters (Ktrans , Kep , Ve , Vp ) were evaluated in 45 patients (31 men and 14 women; mean age, 61±11 years [range, 29-83 years]) with locally advanced rectal cancer using pre-chemoradiotherapy (CRT) MRI...
May 10, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29754870/decreased-operator-x-ray-exposure-by-optimized-fluoroscopy-during-radiofrequency-ablation-of-common-atrial-flutter
#4
A Zedira, J Greffier, X Brunet, F Pereira, P-F Winum, M Granier
PURPOSE: To evaluate operator and patient irradiation during radiofrequency ablation (RFA) of common atrial flutter (AF) using three different fluoroscopy settings. MATERIAL AND METHOD: A total of 38 patients who underwent RFA of AF with three different fluoroscopy settings (low dose, standard dose and collimated field) were included. Twelve patients (11 men, 1 woman; mean age, 67±12 [SD]years) were included in the low dose group (3.75 frames per second), 13 patients (13 men; mean age, 66±8 [SD]years) were included in the standard dose group (7...
May 10, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29753661/lower-extremity-ct-angiography-at-80-kvp-using-iterative-model-reconstruction
#5
B Liu, S Gao, Z Chang, C Wang, Z Liu, J Zheng
PURPOSE: To evaluate the use of 80 kVp and iterative model reconstruction (IMR) in lower extremity computed tomography angiography (CTA). MATERIALS AND METHODS: Sixty patients were randomly assigned to Group A or Group B (both n=30) to further undergo CTA. Group A received Protocol 1 (P1) with 120 kVp, 180mAs, and 100mL of contrast agent with filtered back-projection (FBP). Group B received Protocol 2 (P2) and Protocol 3 (P3) with 80 kVp, 140mAs and 75mL of contrast agent with hybrid iterative reconstruction (P2) and IMR (P3)...
May 9, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29753660/multiple-ileal-neuroendocrine-tumors-nets-with-cardiac-metastasis-and-ectopic-ileal-pancreas
#6
LETTER
B Coulier, I Gielen, G C Colin, F Pierard, N Floris, F Richelle
No abstract text is available yet for this article.
May 9, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29747897/short-hookwire-placement-under-imaging-guidance-before-thoracic-surgery-a-review
#7
T Iguchi, T Hiraki, Y Matsui, H Fujiwara, Y Masaoka, M Uka, H Gobara, S Toyooka, S Kanazawa
During video-assisted thoracic surgery (VATS), localization is sometimes needed to detect a target lesion that is too small and/or too far from the pleura. In 1995, Kanazawa et al. developed short hookwire and suture system. Since then, this system has been placed often for selected targets before VATS in Japan. This short hookwire and suture system is a representative preoperative localization method and the placement procedure is well-established. Its placement success rates are very high (range: 97.6%-99...
May 7, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29735257/radiology-residents-skill-level-in-chest-x-ray-reading
#8
C Fabre, M Proisy, C Chapuis, S Jouneau, P-A Lentz, C Meunier, G Mahé, M Lederlin
RATIONALE AND OBJECTIVES: To evaluate the mean skill level of radiology residents in chest X-ray (CXR) reading, with regard to cognitive mechanisms involved in this task and to investigate for potential factors influencing residents' skill. MATERIALS AND METHODS: Eighty-one residents were evaluated through a test set including CXR expected to mobilize detection skills (n=10), CXR expected to mobilize interpretation skills (n=10) and normal CXR (n=4). For each radiograph, residents were asked to answer three questions: Does this radiograph show normal or abnormal findings? Does it require complementary computed tomography study? What is your diagnosis? Residents' answers were evaluated against an experts' consensus and analyzed according to year of residency, attendance at CXR training course during residency and the average number of CXR read per week...
May 4, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29716846/transcatheter-embolization-for-the-management-of-traumatic-coronary-venous-injury
#9
LETTER
R Wada, H Takaki, T Matsuda, T Tani, K Taki, H Saito
No abstract text is available yet for this article.
April 28, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29716845/push-versus-pull-gastrostomy-in-cancer-patients-a-single-center-retrospective-analysis-of-complications-and-technical-success-rates
#10
B M Currie, G I Getrajdman, A M Covey, W Alago, J P Erinjeri, M Maybody, F E Boas
PURPOSE: To compare the technical success and complication rates of push versus pull gastrostomy tubes in cancer patients, and to examine their dependence on operator experience. MATERIALS AND METHODS: A retrospective review was performed of 304 cancer patients (170 men, 134 women; mean age 60.3±12.6 [SD], range: 19-102 years) referred for primary gastrostomy tube placement, 88 (29%) of whom had a previously unsuccessful attempt at percutaneous endoscopic gastrostomy (PEG) placement...
April 28, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29705159/intrathoracic-pancreatic-herniation-a-rare-cause-of-acute-pancreatitis
#11
LETTER
M Barral, C Roux, Y Guerrache, R Foucher, R Dautry, A Dohan
No abstract text is available yet for this article.
April 25, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29699820/erratum-to-ultrasound-features-of-retroareolar-breast-carcinoma-diagn-interv-imaging-98-2017-409-413
#12
R Ferre, M Pare, B Mesurolle
No abstract text is available yet for this article.
April 23, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29685732/erratum-to-acute-mesenteric-ischemia-a-critical-role-for-the-radiologist-diagn-interv-imaging-99-2018-123-134
#13
P Copin, M Zins, A Nuzzo, Y Purcell, S Beranger-Gibert, L Maggiori, O Corcos, V Vilgrain, M Ronot
No abstract text is available yet for this article.
April 20, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29655635/percutaneous-endobiliary-radiofrequency-ablation-for-refractory-benign-hepaticojejunostomy-and-biliary-strictures
#14
M Özdemir, F Küçükay, F A E Özdemir, R Acu, M Tola, M Yurdakul
PURPOSE: The objective of this study was to determine the safety and efficacy of percutaneous endobiliary radiofrequency ablation (ERFA) and balloon dilation for the treatment of hepaticojejunostomy (HJ) strictures resistant to surgery and/or other interventions. MATERIALS AND METHODS: Eighteen patients who underwent percutaneous ERFA for HJ stricture were included. There were 10 men and 8 women with a mean age of 48.3±10.8 (SD) years (range: 33-69 years). The 18 patients had a total of 29 benign HJ strictures secondary to cholecystectomy (14 patients; 78...
April 11, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29627281/colonic-perforation-associated-with-sodium-polystyrene-sulfonate-kayexalate-use
#15
LETTER
L Piron, J Ramos, P Taourel
No abstract text is available yet for this article.
April 4, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29609903/transarterial-chemoembolization-tace-in-the-management-of-hepatocellular-carcinoma-results-of-a-french-national-survey-on-current-practices
#16
A Fohlen, J P Tasu, H Kobeiter, J M Bartoli, J P Pelage, B Guiu
PURPOSE: To report current practices of transarterial chemoembolization (TACE) by interventional radiologists (IR) for hepatocellular carcinoma (HCC) through a French national survey. MATERIALS AND METHODS: An electronic survey was sent by e-mail to 232 IRs performing TACE in 32 private or public centers. The survey included 66 items including indications for TACE, technical aspects of TACE, other locally available treatments for HCC, follow-up imaging and general aspects of interventional radiology practices...
March 30, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29609902/preoperative-arterial-embolization-of-endobronchial-glomus-tumor-before-endoscopic-removal
#17
LETTER
Selim Bakan, Deniz Alis, Yesim Namdar, Fatih Gulsen, Burcu Kilic, Buge Turkili Oz
No abstract text is available yet for this article.
March 30, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29606371/characterization-of-small-4cm-solid-renal-masses-by-computed-tomography-and-magnetic-resonance-imaging-current-evidence-and-further-development
#18
N Schieda, R S Lim, M D F McInnes, I Thomassin, R Renard-Penna, S Tavolaro, F H Cornelis
Diagnosis of renal cell carcinomas (RCC) subtypes on computed tomography (CT) and magnetic resonance imaging (MRI) is clinically important. There is increased evidence that confident imaging diagnosis is now possible while standardization of the protocols is still required. Fat-poor angiomyolipoma show homogeneously increased unenhanced attenuation, homogeneously low signal on T2-weighted MRI and apparent diffusion coefficient (ADC) map, may contain microscopic fat and are classically avidly enhancing. Papillary RCC are also typically hyperattenuating and of low signal on T2-weighted MRI and ADC map; however, their gradual progressive enhancement after intravenous administration of contrast material is a differentiating feature...
March 30, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29580747/mr-imaging-features-of-peritoneal-alveolar-echinococcosis
#19
LETTER
S Beaussant-Cohen, C Richou, M Lenoir, F Grenouillet, S Bresson-Hadni, E Delabrousse
No abstract text is available yet for this article.
March 23, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29571700/effect-of-cannabis-and-tobacco-on-emphysema-in-patients-with-spontaneous-pneumothorax
#20
A M Ruppert, J Perrin, A Khalil, T Vieira, D Abou-Chedid, H Masmoudi, P Crequit, M Giol, J Cadranel, J Assouad, V Gounant
PURPOSE: To compare imaging findings on thoracic computed tomography (CT) examination in patients with primary spontaneous pneumothorax (SP), depending on their tobacco and/or cannabis consumption. MATERIALS AND METHODS: A total of 83 patients who had thoracic CT for primary SP were prospectively included. There were 65 men and 18 women with a median age of 33 years (IQR: 27; 44 years). The patients were further categorized into three groups according to their smoking habits...
March 20, 2018: Diagnostic and Interventional Imaging
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