Background: A study was undertaken to investigate the aerobic capacity and pulmonary function of children 6 and 15 months after the diagnosis of severe acute respiratory syndrome (SARS). Methods: Thirty four patients of mean age 14.7 years completed both pulmonary function and maximal aerobic capacity tests at 6 months. All had normal clinical examination and were asymptomatic. Their exercise r...

background and aims. cone-beam computed tomography (cbct) is an imaging system which has many advantages over computed tomography (ct). in ct scan, hounsfield unit (hu) is proportional to the degree of x-ray attenuation by the tissue. in cbct, the degree of x-ray attenuation is shown by gray scale (voxel value). the aim of the present study was to investigate the relationship between gray scale...

CONTEXT Premature infant lung development may be affected by lung injuries during the first few weeks of life. Lung injuries have been associated with changes in lung mechanics. OBJECTIVE To evaluate an association between lung mechanics and lung structural alterations in very low birth weight infants (birth weight less than 1500 g). DESIGN A cross-sectional evaluation of pulmonary mechanic...

Until recently the chest radiograph has been the only imaging technique used in the assessment of patients with suspected diffuse lung disease. In this context the chest radiograph is less than ideal. Problems arise with both false negative and false positive results. It is well established that the chest radiograph may appear entirely normal in up to 10% of patients with biopsy proved diffuse ...

statement of the problem in order to replace lost tooth of patients, we use dental implants which are common. therefore, accurate measuring of bone height and width before placing implants is necessary. the aim of this study is evaluating the accuracy of linear and spiral tomography in careful determination of implant site sizes in comparison with gold standard (cbct). material and methods this...

objectives: bone quality and quantity assessment is one of the most important steps in implant treatment planning. different methods such as computed tomography (ct) and recently suggested cone beam computed tomography (cbct) with lower radiation dose and less time and cost are used for bone density assessment. this in vitro study aimed to compare the tissue density values in hounsfield units (...

This review will familiarise the reader with the normal radiological anatomy of the temporal bone as demonstrated on high-resolution computed tomography (HRCT). In addition, common pathology affecting the temporal bone will also be presented. The reader will be shown a systematic approach to viewing HRCT of the petrous temporal bone.

trauma is the leading cause of death in united states in the younger population. cardiac trauma is common following blunt chest injuries and is associated with high morbidity and mortality. this study discusses various multidetector computed tomography (mdct) findings of cardiac trauma. cardiac injuries are broadly categorized into the most commonly occurring blunt cardiac injury and the less c...