Zobrazeno 1 - 10
of 143
pro vyhledávání: '"Nicholas Gourtsoyiannis"'
Autor:
Tomas Maris, Artemis Vasiliadou, Alex Papadakis, Olympia Papakonstantinou, Nicholas Gourtsoyiannis, Eleni E. Drakonaki
Publikováno v:
Abdominal Imaging. 40:2777-2782
Splenomegaly and splenic siderosis are well-known findings in beta-thalassemia major. We explored the relation between splenic size, splenic and hepatic siderosis in transfusion-dependent beta-thalassemic patients, assessed by MR imaging. Abdominal M
Autor:
Eleftherios Magkanas, Nicholas Gourtsoyiannis, Efstathios Detorakis, Sofia Gourtsoyianni, Michalis Linardakis, Prodromos Sidiropoulos, Dimitrios T. Boumpas, I. Nikolakopoulos
Publikováno v:
La radiologia medica. 116:858-867
This study was undertaken to assess the presence and extent of air trapping (AT) on high-resolution computed tomography (HRCT) in patients with Wegener’s granulomatosis (WG) and to correlate the finding with the inspiratory pattern and bronchial/br
Autor:
Maria Roussomoustakaki, Leonidas A. Bourikas, Sofia Gourtsoyianni, Emmanouil Amanakis, Nickolas Papanikolaou, John Grammatikakis, Nicholas Gourtsoyiannis
Publikováno v:
European Journal of Radiology. 69:425-428
To assess mesenteric lymph nodes in patients with different Crohn's disease subtypes identified on MR Enteroclysis.Thirty-four patients, categorized into three different Crohn's disease subgroups, underwent MR Enteroclysis. A high resolution coronal
Autor:
Dimitrios Tsetis, Robert Morgan, Antonio Basile, Asterios N. Katsamouris, T. Kostas, Eirini Manousaki, Anna Maria Belli, Nicholas Gourtsoyiannis
Publikováno v:
Journal of Endovascular Therapy. 15:193-202
PURPOSE To report our preliminary experience using cutting balloon angioplasty (CBA) in symptomatic iliac artery in-stent restenosis (ISR). METHODS Fourteen cases of hemodynamically significant iliac artery ISR (4 common and 10 external) were treated
Autor:
Thomas G. Maris, Nickolas Papanikolaou, Spyros Yarmenitis, Nicholas Gourtsoyiannis, Sofia Gourtsoyianni, Apostolos H. Karantanas
Publikováno v:
European Radiology. 18:486-492
The purpose of this study was to measure apparent diffusion coefficient values of normal liver parenchyma and focal liver lesions utilizing a respiratory gated diffusion sequence with multiple b-values and to investigate whether apparent diffusion co
Autor:
Antonis Tzedakis, Nicholas Theocharopoulos, Antonios E. Papadakis, John Damilakis, Kostas Perisinakis, Nicholas Gourtsoyiannis
Publikováno v:
Physics in Medicine and Biology. 52:6485-6495
The aim of the present study was to (a) evaluate the underestimation in the value of the free-in-air (CTDI(air)) and the weighted CT dose index (CTDI(w)) determined with the standard 100 mm pencil chamber, i.e. the CTDI(100) concept, for the whole ra
Publikováno v:
CardioVascular and Interventional Radiology. 31:222-225
We report a case of simultaneous late migration of two ePTFE-FEP covered biliary endoprostheses (Viabil, W.L. Gore, Flagstaff, AZ, USA) that were percutaneously implanted for the treatment of malignant obstructive jaundice. The first Viabil covered s
Autor:
Nicholas Gourtsoyiannis, Charalambos Varveris, Michalis Mazonakis, John Damilakis, Stefanos Kachris, Fotini Zacharopoulou
Publikováno v:
Strahlentherapie und Onkologie. 183:332-337
To measure the scattered dose to ovaries and testes from radiotherapy for common pediatric malignancies and to assess the relevant risks for radiation-induced gonadal damage and hereditary disorders in future generations.Radiotherapy for central nerv
Autor:
Nicholas Gourtsoyiannis, Antonis Tzedakis, Apostolos H. Karantanas, Kostas Perisinakis, John Damilakis, Spiros Karabekios
Publikováno v:
Medical Physics. 34:1163-1175
The purpose of this study was to evaluate the effect of z overscanning on normalized effective dose for pediatric patients undergoing multidetector-computed tomography (CT) examinations. Five commercially available mathematical anthropomorphic phanto
Publikováno v:
Medical Physics. 34:1139-1152
In the present study effective dose values normalized to computed tomography dose index measured free in air were calculated for adult, newborn, 1, 5, 10 and 15 year old patients regarding scans of the head, chest, abdomen, pelvis, abdomen and pelvis