Radiologists interpreting bedside chest radiographs of ICU patients detect large pleural effusions 92% of the time and can exclude large effusions with high confidence. However, small and medium effusions often are misdiagnosed as parenchymal opacities (45%) or are not seen (55%). Pulmonary opacities often are missed (34%) but are rarely misdiagnosed as pleural effusions (7%).
Epipericardial fat necrosis is a rare cause of acute pleuritic chest pain reported in approximately 40 cases. This diagnosis mimics a myocardial infarction, pulmonary embolism, or pericarditis; however, the cardiac enzymes and electrocardiogram are usually normal. We present the first reported case of epipericardial fat necrosis in an adolescent.
Quantitative ADC measures of transmural fibrosis are lower compared to the reported values of inflammation in Crohn's disease. To our knowledge, this is the first pediatric pilot study to investigate the correlation of quantitative DWI with histology of surgical specimens in pediatric patients with Crohn's disease. Our results are comparable to a recently published study in adult Crohn's patients showing a significant correlation between a decrease in ADC values and fibrosis.
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