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1.
Clin Radiol ; 65(2): 133-6, 2010 Feb.
Article in English | MEDLINE | ID: mdl-20103435

ABSTRACT

AIM: To assess the effect of cine frame rate on the accuracy of the detection of pulmonary nodules at computed tomography (CT). MATERIALS AND METHODS: CT images of 15 consecutive patients with (n = 13) or without (n = 2) pulmonary metastases were identified. Initial assessment by two thoracic radiologists provided the "actual" or reference reading. Subsequently, 10 radiologists [board certified radiologists (n = 4) or radiology residents (n = 6)] used different fixed cine frame rates for nodule detection. Within-subjects analysis of variance (ANOVA) was used to evaluate the data. RESULTS: Eighty-nine nodules were identified by the thoracic radiologists (median 8, range 0-29 per patient; median diameter 9 mm, range 4-40 mm). There was a non-statistically significant trend to reduced accuracy at higher frame rates (p=0.113) with no statistically significant difference between experienced observers and residents (p = 0.79). CONCLUSION: The accuracy of pulmonary nodule detection at higher cine frame rates is reduced, unrelated to observer experience.


Subject(s)
Lung Neoplasms/diagnostic imaging , Lung Neoplasms/secondary , Tomography, X-Ray Computed/methods , Clinical Competence , False Positive Reactions , Humans , Observer Variation , Prospective Studies
4.
Am Fam Physician ; 4(6): 83, 1971 Dec.
Article in English | MEDLINE | ID: mdl-5159184
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