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Diagnostic and Interventional Imaging

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https://www.readbyqxmd.com/read/29307461/multidetector-computed-tomography-sizing-of-aortic-annulus-prior-to-transcatheter-aortic-valve-replacement-tavr-variability-and-impact-of-observer-experience
#1
S Le Couteulx, J Caudron, B Dubourg, G Cauchois, M Dupré, P Michelin, E Durand, H Eltchaninoff, J-N Dacher
PURPOSE: To evaluate intra- and inter-observer variability of multidetector computed tomography (MDCT) sizing of the aortic annulus before transcatheter aortic valve replacement (TAVR) and the effect of observer experience, aortic valve calcification and image quality. METHODS: MDCT examinations of 52 consecutive patients with tricuspid aortic valve (30 women, 22 men) with a mean age of 83±7 (SD) years (range: 64-93 years) were evaluated retrospectively. The maximum and minimum diameters, area and circumference of the aortic annulus were measured twice at diastole and systole with a standardized approach by three independent observers with different levels of experience (expert [observer 1]; resident with intensive 6 months practice [observer 2]; trained resident with starting experience [observer 3])...
January 4, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29292014/placenta-embolization-of-advanced-abdominal-pregnancy
#2
LETTER
C Marcelin, P Kouchner, M Bintner, M Linard, M Boukerrou, J Goupil
No abstract text is available yet for this article.
December 29, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29289529/left-atrial-volume-assessed-by-ecg-gated-computed-tomography-variations-according-to-age-gender-and-time-during-the-cardiac-cycle
#3
E Fayad, S Boucebci, G Vesselle, H Zourdani, G Herpe, I Hamya, P Ingrand, L Christiaens, J P Tasu
PURPOSE: The purpose of this study was to retrospectively assess the accuracy of the maximal left atrial volume (LAVmax) measured at 75% of the cardiac cycle compared to the 40% measurements and to evaluate this volume according to age and gender. PATIENTS AND METHOD: A total of 150 patients with a mean age of 50±17 (SD) years (range: 21-79 years) were analyzed. There were 78 men and 72 women. LAVmax were measured from retrospective triphasic cardiac-gated multi-detector computed tomography (MDCT) data at the 40% (LAV40) and 75% (LAV75) of the RR cycle phases by a semi-automatic method...
December 27, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29258825/role-of-diffusion-weighted-mr-imaging-in-predicting-the-grade-of-nonfunctional-pancreatic-neuroendocrine-tumors
#4
F Kulali, A Semiz-Oysu, M Demir, M Segmen-Yilmaz, Y Bukte
PURPOSE: The purpose of this study was to describe the magnetic resonance imaging (MRI) findings including diffusion-weighted MRI of nonfunctional pancreatic neuroendocrine tumors (PanNETs) and their hepatic metastases, and investigate the relationships between MRI features and histopathological findings for each grade of PanNETs. MATERIALS AND METHODS: A total of 30 patients were included. There were 14 men and 16 women with a mean age of 61.60±11 (SD) years (range: 31-81years)...
December 16, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29229510/opacification-of-nondilated-bile-ducts-through-the-gallbladder-as-an-aid-to-percutaneous-transhepatic-biliary-drainage
#5
K Ozturk, O F Nas, E Soylu, K Hacikurt, C Erdogan
PURPOSE: The purpose of this study was to retrospectively assess the potential of percutaneous transhepatic biliary drainage (PTBD) in patients with nondilated bile ducts (NDBD) using a transgallbladder opacification of the bile ducts. PATIENTS AND METHODS: Eight patients with NDBD (7 men, 1 women; median age, 65 years; Q1-Q3, 35-69 years; range, 22-77 years) who underwent PTBD after opacification of the bile ducts through the gallbladder were evaluated. Opacification of NDBD was performed using a retrograde injection of contrast material through the gallbladder...
December 8, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29229509/diagnosis-of-congenital-abnormalities-with-post-mortem-ultrasound-in-perinatal-death
#6
L Tuchtan, E Lesieur, C Bartoli, C Delteil, L Sarda-Quarello, J Torrents, S Sigaudy, M-D Piercecchi, G Gorincour
PURPOSE: To determine the sensitivity and specificity of post-mortem ultrasound in the diagnosis of major congenital abnormalities of fetuses using conventional autopsy as the standard of reference. MATERIAL AND METHODS: All fetuses coming from terminations of pregnancy or intrauterine fetal deaths in a single institution were included. A total of 75 fetuses were included during the study period. The results of post-mortem ultrasound examinations were compared to those of conventional autopsy that served as standard of reference...
December 8, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29229508/outcomes-of-type%C3%A2-2-endoleaks-detected-on-venous-phase-ct-arteriography
#7
M D McDonald, H H Paik, R Fairman, P Foley, B Jackson, G Wang, S W Stavropoulos
PURPOSE: The majority of type 2 endoleaks (T2EL) are identified on computed tomography angiography (CTA) both on arterial and venous phase. There is a subset of T2EL that are demonstrated only on venous phase CTA. This study was done to report the outcomes of T2EL detected only on venous phase CTA. MATERIALS AND METHODS: A total of 261 consecutive T2EL treated via embolization were reviewed for the presence of endoleak demonstrated only on venous phase CTA. A group of 16 patients (12 men, 4 women; mean age, 80...
December 8, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29221936/volumetric-measurement-of-hepatic-tumors-accuracy-of-manual-contouring-using-ct-with-volumetric-pathology-as-the-reference-method
#8
L F Pupulim, M Ronot, V Paradis, S Chemouny, V Vilgrain
PURPOSE: The purpose of this study was to assess the accuracy of liver tumor volumetry by manual contouring on computed tomography (CT) compared to pathological tumor volume determined from surgical specimen that served as a reference method. PATIENTS AND METHOD: Thirty-eight patients with planned liver surgery and a total of 41 liver tumors were included. There were 24 men and 14 women (mean age: 57 years; range: 32-85 years). Two readers calculated tumor volume by manual contouring on axial CT images...
December 5, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29196222/volvulus-of-the-sigmoid-colon-is-associated-with-hypotrophy-of-the-left-lateral-segment-of-the-liver-and-the-absence-of-sigmoid-diverticulum
#9
M Barral, L Lassalle, R Dautry, C Eveno, J De Laveaucoupet, S Maitre, A Dohan, M Pocard, P Soyer
PURPOSE: To investigate the possible relationships between sigmoid diverticula, the volume of the left lateral segment of the liver and sigmoid colon volvulus. MATERIAL AND METHODS: The presence of sigmoid diverticula was analyzed in 36 patients (24 men, 12 women; mean age, 70.77±19.86 [SD] years) with sigmoid volvulus (group 1). The volumes of left lateral segment of the liver (i.e., segments 2 and 3 and further referred to as liver 1), liver 2 (i.e., segments 1, 4, 5, 6, 7 and 8), total liver volume and liver volume ratio (LVR) (i...
November 28, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29157897/arteriopathy-after-transarterial-chemo-lipiodolization-for-hepatocellular-carcinoma
#10
Y Matsui, A Figi, M Horikawa, Y Jahangiri Noudeh, Y Tomozawa, K Hashimoto, J A Kaufman, K Farsad
OBJECTIVES: The purpose of this study was to investigate the incidence of and the risk factors for arteriopathy in hepatic arteries after transarterial chemo-lipiodolization in patients with hepatocellular carcinoma and the subsequent treatment strategy changes due to arteriopathy. PATIENTS AND METHODS: A total of 365 arteries in 167 patients (126 men and 41 women; mean age, 60.4±15.0 [SD] years [range: 18-87 years]) were evaluated for the development of arteriopathy after chemo-lipiodolization with epirubicin- or doxorubicin-Lipiodol(®) emulsion...
November 17, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29154015/albumin-bilirubin-grade-versus-meld-score-for-predicting-survival-after-transjugular-intrahepatic-portosystemic-shunt-tips-creation
#11
J Ronald, Q Wang, S S Choi, P V Suhocki, M D Hall, T P Smith, C Y Kim
OBJECTIVES: The purpose of this study was to compare the albumin-bilirubin (ALBI) grade and model for end-stage liver disease (MELD) scores for predicting survival after transjugular intrahepatic portosystemic shunt (TIPS) creation. MATERIALS AND METHODS: A retrospective study of pre-procedure ALBI and MELD scores was performed in 197 patients who underwent TIPS from 2005 to 2012. There were 140 men and 57 women, with a mean age of 56±11 (SD) (range: 19-90years)...
November 16, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29150327/diagnostic-accuracy-of-point-shear-wave-elastography-in-the-detection-of-portal-hypertension-in-pediatric-patients
#12
M Burak Özkan, M C Bilgici, E Eren, G Caltepe
PURPOSE: The purpose of this study was to determine the usefulness of point shear wave elastography (p-SWE) of the liver and spleen for the detection of portal hypertension in pediatric patients. MATERIALS AND METHODS: The study consisted of 38 healthy children and 56 pediatric patients with biopsy-proven liver disease who underwent splenic and liver p-SWE. The diagnostic performance of p-SWE in detecting clinically significant portal hypertension was assessed using receiver operating characteristic (ROC) curves...
November 14, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29146413/ct-fluoroscopy-guided-core-needle-biopsy-of-anterior-mediastinal-masses
#13
T Iguchi, T Hiraki, Y Matsui, H Fujiwara, J Sakurai, Y Masaoka, M Uka, T Tanaka, H Gobara, S Kanazawa
OBJECTIVE: To retrospectively evaluate the safety, diagnostic yield, and risk factors of diagnostic failure of computed tomography (CT) fluoroscopy-guided biopsies of anterior mediastinal masses. MATERIALS AND METHODS: Biopsy procedures and results of anterior mediastinal masses in 71 patients (32 women/39 men; mean [±standard deviation] age, 53.8±20.0years; range, 14-88years) were analyzed. Final diagnoses were based on surgical outcomes, imaging findings, or clinical follow-up findings...
November 13, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29108911/prenatal-diagnosis-of-unicystic-ameloblastoma
#14
LETTER
A Fievet, E Blondiaux, M Dohna, C Neiva-Vaz, H Ducou le Pointe, C Garel
No abstract text is available yet for this article.
November 3, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29102756/feasibility-and-safety-of-percutaneous-transhepatic-endobiliary-radiofrequency-ablation-as-an-adjunct-to-biliary-stenting-in-malignant-biliary-obstruction
#15
B Acu, E Kurtulus Ozturk
PURPOSE: The purpose of this study was to investigate the feasibility and safety of percutaneous transhepatic endobiliary radiofrequency ablation (RFA) combined with biliary stenting in palliative treatment of malignant biliary obstructions. MATERIALS AND METHODS: Twenty-one patients who had undergone percutaneous transhepatic endobiliary RFA as an adjunct to biliary stenting were included. There were 12 men and nine women with a mean age of 67±13.6 (SD) years (range: 34-86 years)...
November 1, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29097146/ct-angiography-features-of-coronary-pulmonary-artery-fistula
#16
LETTER
A Ghrairi, C Menager-Gangloff, J P Favier, P Bonnet, J N Dacher
No abstract text is available yet for this article.
October 30, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29097145/an-unusual-intracardiac-foreign-body-following-penetrating-thoracic-injury
#17
LETTER
F Nougarolis, F-Z Mokrane, L Brouchet, N Telmon, H Rousseau, N Sans, F Dedouit
No abstract text is available yet for this article.
October 30, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29110943/differentiation-between-hepatic-alveolar-echinococcosis-and-primary-hepatic-malignancy-with-diffusion-weighted-magnetic-resonance-imaging
#18
R Sade, M Kantarci, H Ogul, B Gundogdu, B Aydınlı
PURPOSE: To determine the value of diffusion-weighted magnetic resonance imaging (DW-MRI) in discriminating between hepatic alveolar echinococcosis (AE) and hepatocellular carcinoma and intrahepatic cholangiocarcinoma. METHODS: We included 49 patients (27 men, 22 women; mean age: 52.02±9.76 [SD] years; range: 25-72years) with 57 histopathologically confirmed hepatic AE lesions. Fifty patients (18 men, 32 women; mean age: 58.93±8.42 [SD] years; range: 42-71years) with 61 histopathologically confirmed hepatocellular carcinoma and 50 patients (24 men, 26 women; mean age: 50...
October 27, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29066127/in-vivo-percutaneous-microwave-ablation-in-kidneys-correlation-with-ex-vivo-data-and-ablation-work
#19
C Marcelin, J Leiner, S Nasri, F Petitpierre, Y Le Bras, M Yacoub, N Grenier, J C Bernhard, F Cornelis
PURPOSE: To compare diameters of in vivo microwave ablation (MWA) performed in swine kidneys with ex vivo diameters, and to correlate with ablation work (AW), a new metric reflecting total energy delivered. MATERIAL AND METHODS: Eighteen in vivo MWA were performed in 6 swine kidneys successively using one or two antennas (MicroThermX(®)). Ablation consisted in delivering power (45-120W) for 5-15minutes. Ex vivo diameters were provided by the vendors and obtained on bovine liver tissue...
October 21, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29307369/looking-to-the-future
#20
EDITORIAL
P Soyer
No abstract text is available yet for this article.
January 2018: Diagnostic and Interventional Imaging
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