نتایج جستجو برای: plain radiograph
تعداد نتایج: 46693 فیلتر نتایج به سال:
BACKGROUND Crystallographic composition of urinary tract stone varies in several chemical groups and determines the degree of fragmentation to extracorporeal shock wave lithotripsy (ESWL) which has been widely used for the treatment of renal and ureteral calculi. Visual prediction of stone composition by its morphology from plain radiograph may provide a simple method and clinical hint to decid...
OBJECTIVE To determine the uptake of medical interventions amongst women known to be HIV positive and in contact with service providers. SUBJECTS 400 HIV positive women from 15 STD/HIV clinics in Britain and Ireland recruited to the MRC collaborative study of HIV infection in women between June 1992 and August 1994. METHODS Data obtained prospectively through direct questioning of all women...
INTRODUCTION Vascular pedicle width (VPW), a measurement obtained from a chest radiograph (CR), is thought to be an indicator of circulating blood volume. To date there are only a handful of studies that demonstrate a correlation between high VPW and volume overload, each utilizing different VPW values and CR techniques. Our objective was to determine a mean VPW measurement from erect and supin...
Mediastinal bronchogenic cysts develop from abnormal budding of the primitive tracheobronchial tree. They are usually located in the mediastinum at the level of the tracheal bifurcation. In adults they are frequently asymptomatic and are discovered incidentally on the chest radiograph. As they enlarge they may cause symptoms referable to tracheal, bronchial, or oesophageal compression.' Extrins...
A retrospective study of arthroscopic anterior cruciate ligament reconstruction in 20 patients was conducted. These patients underwent computed tomography (CT) scans on the involved knee postoperatively to determine sagittal placement of the proximal end of the tibial tunnel (TTp) based on a distance from a specific anatomic reference known as the over-the-back (OTB) ridge. The distance from th...
Answer 1. The chest radiograph shows bilateral multiple small opacities of both lungs, predominantly on the left side. The appearance of the chest radiograph is consistent with military tuberculosis. The term “miliary” describes the appearance of very small nodules throughout the lungs in the plain radiograph that look like millet seeds. 2. The diagnosis is AIDS with military tuberculosis. Pati...
Background Several 2-dimensional and 3-dimensional surfaces are available for cementless acetabular fixation. Plain radiographs are used to assess osseointegration; however, the radiographs are limited by their inability to capture the bone fixation process occurring over the 3-dimensional cup surface. In this cadaveric study, we compared the bone apposition between 2-dimensional and 3-dimensio...
This article describes osteoarthritis of the knee and a giant intraosseous cyst of the medial femoral condyle in an 83-year-old man that was treated successfully with total knee arthroplasty and autologous bone grafts. The patient presented to the authors' hospital with a 2-year history of right knee pain. A plain radiograph of the right knee revealed grade 3 medial compartment osteoarthritis w...
The correlation of the medical and environmental data (i.e. the derivation of the dosage-response relationship) in a study such as the National Coal Board's Pneumoconiosis Field Research (P.F.R.) is subject to many complicating factors compared with the more conventional types of biological assay. Several methods have been developed within the Research to overcome these difficulties, and the ne...
BACKGROUND Poor inter-rater reliability in chest radiograph interpretation has been reported in the context of acute respiratory distress syndrome (ARDS), although not for the Berlin definition of ARDS. We sought to examine the effect of training material on the accuracy and consistency of intensivists' chest radiograph interpretations for ARDS diagnosis. METHODS We conducted a rater agreemen...
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