introduction : the objective of this study was to give a description of the most prominent atypical radiological presentations of lung hydatidosis. materials and methods: all patients diagnosed with pulmonary hydatidosis by surgical exploration were included in this study. standard chest roentgenogram and computed tomography ct) were evaluated before surgery for lung cysts or unknown lesions. r...

conclusions compared to iohexol and iopamidol, iodixanol use was associated with a lower patient perception of heat and lower hr while maintaining similar contrast-to-noise and signal-to-noise ratios. results baseline hr was similar across the patients assigned to iohexol, iopamidol, and iodixanol (65.3 ± 9.7, 66.9 ± 10.9, and 65.3 ± 13.3, respectively; p = ns). compared to iohexol and iopamido...

introduction: motion artifacts are a common problem in pediatric radiographic studies and are a common indication for pediatric procedural sedation. this study aimed to compare the combination of oral midazolam and ketamine (omk) with oral midazolam alone (om) as procedural sedatives among children undergoing computed tomography (ct) imaging. methods: the study population was comprised of six-m...

coronary-cameral fistulas (ccfs) constitute a rare anomaly that can be incidentally detected during angiography. ccfs are solitary, large or small assemblies that originate from coronary arteries and enter one of the cardiac chambers. we describe a 29-year-old woman, who referred to our clinic with the chief complaints of palpitation, atypical chest pain, and dyspnea on exertion (functional cla...

the aim of the current study was to determine the pattern, presentation and management of foreign body aspiration in our  population.  this prospective study comprised 55 patients with foreign body aspiration admitted to our department from january 2009 to december 2011. all patients underwent rigid bronchoscopy under local or general anesthesia. the patients’ demographic information along with...

lung contusion is an entity involving injury to the alveolar capillaries, without any tear or cut in the lung tissue. this results in accumulation of blood and other fluids within the lung tissue. the excess fluid interferes with gas exchange leading to hypoxia. the pathophysiology of lung contusion includes ventilation/perfusion mismatching, increased intrapulmonary shunting, increased lung wa...

methods retrospective cohort study of blunt trauma patients with rib fractures at a level i trauma center that had both a cxr and a ct chest. the ct finding of ≥ 3 additional fractures in patients with ≤ 3 rib fractures on cxr was considered clinically meaningful. student’s t-test and chi-square analysis were used for comparison. results we identified 499 patients with rib fractures: 93 (18.6%)...

Background & Aims: The accuracy of dental implants has increased in recent years. An accurate radiography from the region is needed for precise treatment planning in implants and for determining prognosis of treatment. Because this technique can demonstrate the buccolingual aspect, and due to its lower radiation dose, lower cost, and availability, in comparison with computed tomography, lineart...

We study the problem of reconstructing binary images from four projections data in a fuzzy environment. Given the uncertainly projections,w e want to find a binary image that respects as best as possible these projections. We provide an iterative algorithm based on fuzzy integer programming and linear membership functions.