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Solitary pulmonary nodules. CT-bronchoscopic correlation
D P Naidich1, R Sussman, W L Kutcher
1Department of Radiology, NYU Medical Center/Bellevue Hospital 10016.
Chest
|March 1, 1988
Summary
Computed tomography (CT) can aid in managing solitary pulmonary nodules (SPNs). Identifying a CT bronchus sign improves diagnostic yield during fiberoptic bronchoscopy (FOB) for SPNs.
Area of Science:
- Pulmonology
- Radiology
- Medical Imaging
Background:
- Solitary pulmonary nodules (SPNs) require accurate diagnosis.
- Fiberoptic bronchoscopy (FOB) is a common diagnostic tool for SPNs.
- Computed tomography (CT) provides detailed imaging of pulmonary lesions.
Purpose of the Study:
- To evaluate the contribution of CT findings, specifically the bronchus sign, in the management of SPNs.
- To determine if CT can improve the diagnostic yield of FOB for SPNs.
Main Methods:
- Retrospective review of 65 patients with SPNs undergoing FOB.
- Nodules evaluated by CT for size, location, surface contour, and presence of a bronchus sign.
- Correlation of CT findings with FOB diagnostic outcomes.
Main Results:
- A positive CT bronchus sign was associated with a significantly higher endoscopic diagnosis rate (60%) compared to a negative sign (30%).
- The presence of a CT bronchus sign was statistically significant in predicting FOB diagnostic success (p = .027 for positive, p = .034 for negative).
Conclusions:
- CT is a valuable tool for evaluating SPNs prior to FOB.
- Identifying the CT bronchus sign can enhance the diagnostic utility of FOB, particularly when histologic confirmation is crucial.