نتایج جستجو برای: ray examinations
تعداد نتایج: 336445 فیلتر نتایج به سال:
Unilateral cystic inner ear anomalies were diagnosed in two siblings, a 9 year old boy and a 6 year old girl. X-ray examination of the temporal bone was performed, together with audiological examinations and vestibular function tests. The common tomographic X-ray findings consisted of an enlarged solitary sac type deformity of the vestibule with narrowing of the internal auditory canal, severe ...
We investigated radiation doses to 149 adult patients who underwent interventional neuroradiologic procedures, consisting of 132 patients who had diagnostic imaging examinations and 17 patients who had therapeutic procedures. The interventional procedures were carried out on a biplane system capable of performing fluoroscopy and digital subtraction angiography (DSA). The x-ray imaging system wa...
Inversion injuries of the ankle are a common cause of referral and presentation to accident units. They impose a load on radiographic services. A prospective trial was carried out to determine the accuracy of clinical examination. All patients were assessed clinically then examined radiographically, the clinical assessment missed 5% of the fractures. These, however, were all minor avulsion frac...
Premature babies often need to be treated for respiratory or digestive diseases in neonatal intensive care units. Incidentally, frequent radiological examinations such as chest or abdomen are being performed during their medical follow-up. Furthermore, those patients who have clinical complications may require a complementary period of hospitalisation lasting, in few cases, several months later...
PURPOSE To determine the quality of radiographs, which have been referred from 40 different institutions for consultation, to discuss the causes of wasted resources, and to present possible solutions. MATERIALS AND METHODS Five experienced radiology instructors determined the types of radiological examinations referred for consultation (conventional radiography, mammography, computed tomograp...
PURPOSE To investigate the range of collimation errors in x-ray rooms and to calculate their possible effects on the radiation dose for anteroposterior pelvic examinations. METHODS A collimator test tool was suspended at 3 heights (14, 21, and 28 cm) above the table Bucky in 9 x-ray rooms. Heights corresponded to the typical patient thickness (mean, ± 2 SD) of 67 patients undergoing anteropos...
Background: Although ionizing radiation is widely used to diagnose many diseases, the relevant hazards are known to be as an important limitation of its application. It is believed that the awareness of ionizing radiation dose values is one of the main stages in patient's radiation protection. The purpose of this study has been to investigate the level of physicians' knowledge about radiation d...
Background: Computed Tomography (CT) is main contributor of population dose from diagnostic X-ray examinations. Children are more radiosensitive than adults, thus optimization of CT examination in these patients is essential. The purpose of this study was to evaluate dose delivered to pediatric patients’ undergoing CT examination of the common examinations and also establishing local Diag...
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