Abstract:
objective To discuss imaging appearance of benign and malignant disease of solitary pulmonary nodule(SPN) and characteristic of diagnosis.
Material and Methods 17 patients with pathologically-proved pulmonary nodule (diameter<3.0cm),including males 11cases and females 6 cases with the age of 38-83years (average 63.2 years).using helical CT scan with PQ5000,in them 7cases do contrast CT scans,5 cases do three dimension configuration.
Results among 17 cases, malignant disease is 12 cases, benign disease is 5 cases,in malignant disease adenocar-cinoma is 8 cases and squamous-cinoma is 2 cases,in benign disease tuberculosis is 3 cases, inflammation node is 2 cases, the common CT signs included lobulation sign (14 cases),pleural tail sign(7 cases),vessel convergence (8 cases),and spiculation (14 cases),with inhomogeneous (13 cases).
Conclusion CT scans about pulmonary nodus have important value in differentiate benign and malignant disease.