for obtaining reservoir petrophysical properties, for example porosity, non-destructive methods such as x-ray computed tomography, ct, seems to be precise and accurate. porosity is deducted from the ct image with a single scan via different techniques, such as pore space detection by image segmentation techniques then correlation with porosity. more than one hundred samples with carbonate litho...

introduction: having knowledge about the anatomy of root canal system is essential for success of endodontic treatment. the present study used cone-beam computed tomography (cbct), to evaluate the prevalence of third root in mandibular first molars in a selected iranian population. methods and materials: a total of 386 cbct images from subjects referred to oral and maxillofacial radiology depar...

Background: This study assessed the optimal timing of computed tomography for detection of metastatic disease in locoregional lymph nodes in patients with rectal cancer who have undergone chemoradiotherapy. Materials and Methods: This observational retrospective study was performed in a single institution. All patients with locally advanced rectal cancer treated with chemoradiotherapy, followed...

Objective- The aim of this study was preparing detailed anatomic images of the thoracic cavity of the southern white-breasted hedgehog using the non-invasive computed tomography (CT) technique.Design- Descriptive study.Animals- Five southern white-breasted hedgehog (Erinaceus concolor) which is a species native to the Middle East, Anatolia, Transcaucasia, and Iran. Since some people...

conclusions the type of materials can influence the obtained gsv. different materials cause various amounts of artifacts due to differences in density and atomic number. results according to the mean gsv of the five different materials, the majority of artifacts produced were as follows: tempbond > zoe > mta > gi (chemfil dentsply) > gi (gc, fuji ιx). materials and methods samples of five cemen...

o bjective: to describe the clinical characteristics, presentation and management of pardah pin inhalation in female teenagers of single center in northern india. m e thods: this was a prospective cross-sectional study being performed in department of cardiovascular and thoracic surgery of sher-i-kashmir institute of medical sciences located in northern india from january 2009 to december 2012....

conclusions in conclusion complementary to the previous studies our results have demonstrated that bronchial artery embolization remains as one of the most efficient procedures in managing massive hemoptysis, with minimal rate of complications. patients and methods all the patients had already been assessed by computerized tomography (ct) to localize and delineate the underlying etiology except...