نتایج جستجو برای: تصاویر hrct
تعداد نتایج: 16995 فیلتر نتایج به سال:
Pneumonia remains an important source of morbidity and mortality in transplant recipients. Since clinical findings are nonspecific and cultures may be time-consuming, imaging plays an important role in establishing the probable etiology of pneumonia. Plain films are used as an initial study. However, they have a limited capacity in differentiating the causative factors. HRCT is used as a proble...
Interstitial lung disease (ILD) induces overwhelming morbidity and kills more patients with connective tissue disease (CTD) than any other CTD-related manifestation. Because of this, there is a keen and growing interest in the rheumatology and pulmonary communities to identify prognostic variables for CTDassociated ILD (CTD-ILD). Treatment options for patients with ILD, idiopathic as well as th...
This work was intended to evaluate the prevalence of obstructive small-airway disease in patients with rheumatoid arthritis (RA) and its association with clinical characteristics. Pulmonary function testing (PFT) and high-resolution computed tomography (HRCT) were performed on 189 consecutive RA patients. Each case was diagnosed based on abnormal HRCT findings. We defined obstructive dysfunctio...
OBJECTIVE To assess the reliability of high-resolution computed tomographic scan (HRCT scan) for the diagnosis of otosclerosis and to determine its usefulness to predict hearing deterioration and surgical difficulties. STUDY DESIGN Prospective study. SETTING Tertiary reference center. PATIENTS Two hundred nine ears (200 patients) presenting progressive conductive hearing loss with normal ...
BACKGROUND Coronary artery calcification (CAC) is prevalent in patients with chronic kidney disease (CKD). Data on the reliability and validity of high-resolution computerized tomography (HRCT) in patients with CKD is lacking. The purpose of this study was to evaluate the inter- and intra-reviewer agreement and inter-scan reproducibility of CACS measurement with HRCT in a cohort of patients wit...
High resolution computed tomography (HRCT) was recently demonstrated to be as good as open lung biopsy for the diagnosis of pulmonary involvement in patients with scleroderma. Nevertheless, in view of its price and related irradiation, HRCT cannot be recommended as a screening test. Serum III procollagen (sPIIINP) is an aminopropeptide of type III collagen, which is released during conversion i...
OBJECTIVES A combination of functional measurements reflecting a decrease in maximum flow, a degree of lung hyperinflation, the relationship between maximum inspiratory and expiratory flows, bronchodilator response, and diffusing capacity of the lung for carbon monoxide (DLCO) was used to quantify the extent of emphysema, as assessed by high-resolution CT (HRCT) scanning. DESIGN Forced inspir...
BACKGROUND Acquired cholesteatomas are commonly seen in patients less than 30 years. There is a typical history of recurrent middle ear infections with tympanic membrane perforation. The diagnosis of cholesteatoma is usually made on otologic examination. OBJECTIVE The aim of the work was to study the role of high resolution computed tomography (HRCT) in detecting, evaluating, and diagnosing m...
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