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Original ArticleOpen Access
Utilization of Electron Beam CT Scan in Diagnosis of Pulmonary Embolism
Boonbaichaiyapruck S 
,
Panpunnang S ,
Siripompitak S ,
Nitjapanich S ,
Sritara C ,
Sritara P
,
Panpunnang S ,
Siripompitak S ,
Nitjapanich S ,
Sritara C ,
Sritara P Pulmonary embolism is a difficult entity to diagnose clinically and pulmonary angiogram
has been the gold standard for the diagnosis. Our objective was to evaluate the usefulness of
electron beam (Ultrafast) CT scan in aiding the diagnosis of such an entity, thus avoiding an invasive
procedure. Between April 1995 and March 1996 we prospectively studied 20 patients with
clinical suspicion of pulmonary embolism by conventional perfusion scan of the lung, by invasive
pulmonary angiography and by contrast enhanced electron beam CT scan. Simple statistic correlation
between the 3 methods was obtained in regard to sensitivity and specificity utilizing the
pulmonary angiogram as the gold standard. The sensitivity and specificity of contrast enhanced
electron beam CT scanning was 95 per cent and 100 per cent respectively. The correlation of
positive and negative result of all three imaging modalities was 60 per cent.
Contrast enhanced electron beam (Ultrafast) CT scan is a good alternative diagnostic
modality for pulmonary embolism.
has been the gold standard for the diagnosis. Our objective was to evaluate the usefulness of
electron beam (Ultrafast) CT scan in aiding the diagnosis of such an entity, thus avoiding an invasive
procedure. Between April 1995 and March 1996 we prospectively studied 20 patients with
clinical suspicion of pulmonary embolism by conventional perfusion scan of the lung, by invasive
pulmonary angiography and by contrast enhanced electron beam CT scan. Simple statistic correlation
between the 3 methods was obtained in regard to sensitivity and specificity utilizing the
pulmonary angiogram as the gold standard. The sensitivity and specificity of contrast enhanced
electron beam CT scanning was 95 per cent and 100 per cent respectively. The correlation of
positive and negative result of all three imaging modalities was 60 per cent.
Contrast enhanced electron beam (Ultrafast) CT scan is a good alternative diagnostic
modality for pulmonary embolism.
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