نتایج جستجو برای: contrast radiography
تعداد نتایج: 410782 فیلتر نتایج به سال:
The current literature is reviewed in this paper regarding the application of diagnostic imaging in the evaluation of swallowing disorders of the dog. The applications of radiography, contrast radiography, and contrast videofluoroscopy are discussed with pertinent case examples provided for emphasis. The indications for image-guided interventions are also described.
Background and purpose: Diagnosis of Hirschprung's disease is one of the most important problems of pediatric surgeons and leaving it without treatment has its own complications. Early diagnosis in younger age with special attention to clinical and radiological findings can reduce these complications. The aim of this study was to compare the findings of plain abdominal radiography and contras...
introduction: myelograghy is a process of instilling contrast medium to the subarachnoid space for evaluating the spinal column by radiography. there are various contrast solutions for different radiographic studies but not all of them are suitable for spinal column evaluation. conclusions: our subject recovered completely without any sequelae after receiving appropriate treatment in a multidis...
conclusions despite close concordance between ultrasonography and chest radiography, ceus is not a suitable alternative for standard chest radiography in detecting cvc location; however, considering its high sensitivity and acceptable specificity in our study, its usefulness as a triage method for detecting cvc location on a real-time basis in the operating room cannot be ignored. results chest...
Radiographic contrast-enhancement mask (RCM) algorithms were developed to overcome some limitations of general digital radiography (DR). Large attenuation differences of some anatomical regions result in exit radiation having a wide dynamic range. In general radiography, this results in anatomy not being fully visualised in the image or being displayed with suboptimal contrast. Physical tissue ...
Detection of bone contours in x-ray images is an important step in the computer analysis of medical images. Analog X-ray images are characterized by low contrast ratio value and high variability of their optical properties. Therefore classical segmentation algorithms based on homogeneity criteria are not applicable. In this paper we propose an approach for automatic bone contours detection whic...
Numerous techniques for injection into the distal sesamoid bursa (navicular bursa) have been described, especially in equine, but there are few specific descriptions regarding this practice being done in cattle. Five different techniques were compared for injection into the distal sesamoid bursa in cattle including distal plantar approach parallel with the coronary band, proximal plantar approa...
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