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Clinical characteristics of a second small nodule(s) associated with cT1-2N0M0 non-small-cell lung cancer

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Authors
Yoon, Ho Il; Yim, Jae-Jun; Lee, Choon-Taek; Kim, Young Whan; Han, Sung Koo; Shim, Young-Soo; Kim, Young Tae; Sung, Sook Whan; Kim, Joo Hyun; Yoo, Chul-Gyu
Issue Date
2007-01-20
Publisher
Springer Verlag
Citation
Lung 184:273-278
Keywords
BiopsyCarcinoma, Non-Small-Cell Lung/*pathology/radiographyFemaleHumansLung Neoplasms/*pathology/radiographyMaleNeoplasm Staging/methodsPrognosisRetrospective StudiesTomography, X-Ray Computed
Abstract
When a patient with cT(1-2)N(0)M(0) stage non-small-cell lung cancer (NSCLC) has a second small nodule(s), the treatment plan and prognosis depend largely on whether the nodule is benign or malignant. However, the incidence of malignancy of nodules associated with N(0) and M(0) NSCLC is unknown. Furthermore, predictive factors of malignancy have not been defined. Thus, we evaluated the nature of nodules that were less than 15 mm in diameter associated with stage T(1-2)N(0)M(0), and tried to identify clinical and radiologic factors predictive of malignancy. The study population consisted of 39 patients with T(1-2)N(0)M(0) NSCLC and a second nodule(s) less than 1.5 cm and who had received curative resection. Medical records and radiologic findings, including CT scans of the chest, were retrospectively reviewed. Nodules were finally diagnosed as benign in 85% and malignant in 15%. No significant differences in terms of gender, age, preoperative carcinoembryonic antigen (CEA) level, cell type, pathologic stages, shape, size, location and number of nodules, or the presence of calcification around nodules was observed between benign and malignant groups. We suggest that if primary NSCLC is resectable, an effort should be made to confirm the pathologic diagnosis of nodules. If histologic findings in nodules are not available, surgical resection should be actively considered, especially when nodules < 1.5 cm are associated with N(0) or M(0) NSCLCs.
ISSN
0341-2040 (Print)
Language
English
URI
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17235727

https://hdl.handle.net/10371/21621
DOI
https://doi.org/10.1007/s00408-005-2593-9
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College of Medicine/School of Medicine (의과대학/대학원)Internal Medicine (내과학전공)Journal Papers (저널논문_내과학전공)
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