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- W2353109004 abstract "Objective To evaluate the diagnostic precision of the peripheral lung nodules by percutaneous needle biopsy and thin-layer computer tomography. Methods Both percutaneous needle biopsy guided by Elektal precise simulator and examination by computer tomography were conducted in 43 cases of peripheral lung nodules. Among them, 25 cases were diagnosed malignant tumor by percutaneous needle biopsy and another 3 cases did not get definite diagnosis, all of whom underwent surgical operations. Results The final diagnosis made by computer tomography was as follows: peripheral lung cancer 31 cases, metastasized tumor 2 cases, tuberculoma 7 cases, inflammatory pseudotumor 3 cases and that by percutaneous needle biopsy was: lung cancer 25 cases, metastasized tumor 3 cases, tuberculoma 8 cases, inflammatory pseudotumor 4 cases, undefined 3 cases. Twenty-five patients diagnosed as lung cancer and 6 patients diagnosed as tuberculoma by percutaneous needle biopsy were proved by surgical operation, and the diagnosis accordance rate was 100%. The three undefined cases were diagnosed as one case of inflammatory pseudotumor and two of lung cancer. The total diagnostic accuracy of computer tomography was 86.1%, and that of the percutaneous needle biopsy 93.0%. Conclusion Computer tomography has a higher diagnostic accuracy for the characterized local nodules, but it is not sensitive to atypical ones. Percutaneous needle biopsy has a higher diagnostic accuracy, but there are still some false negative results. These factors should be carefully considered for the clinical diagnosis of peripheral lung nodules." @default.
- W2353109004 created "2016-06-24" @default.
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- W2353109004 date "2005-01-01" @default.
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- W2353109004 title "Diagnostic value contrast in diagnosing peripheral lung nodules by percutaneous needle biopsy and thin-layer computer tomography" @default.
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