Small satellite pulmonary nodules in operable lung cancer: Diagnosis and therapeutic strategy
Journal Title: Journal of Cancer Research & Therapy - Year 2014, Vol 2, Issue 8
Abstract
Objective: The use of high-resolution computed tomography (HRCT) has improved the management of non-small cell lung cancer (NSCLC), but has also increased the detection of indeterminate satellite nodules. Obtaining differential diagnosis of nodules less than 10 mm is difficult but essential for choosing optimal therapeutic strategies. Here, we evaluated the characteristics of small satellite nodules in patients with operable NSCLC and examined the optimal diagnostic and therapeutic approach in patients with small satellite nodules. Methods: Using data from a prospective database, all surgically treated patients diagnosed with NSCLC from 2008 to 2011 were retrospectively reviewed. Patients presenting with small pulmonary non-GGO nodule(s) were identified. Results: A total of 1206 patients underwent complete resection for NSCLC, out of which 45 patients presented with 60 nodules less than 10 mm on thoracic CT. Twenty-six nodules (43%) were malignant, 31 (52%) were benign, and 3 (5%) were of undetermined nature. Tumor histology (adenocarcinoma vs. nonadenocarcinoma), TNM stage (advanced stage vs. early stage), and nodule size (6–10 vs. ≤ 5 mm) were associated with nodule malignancy. The incidence of metastatic nodules in patients with stage III NSCLC was significantly higher than that in patients with stage I NSCLC. In contrast, the incidence of multiple primary lung cancers in patients with stage I NSCLC was significantly higher than that in patients with stage III NSCLC. Conclusion: Differential diagnosis of indeterminate satellite lesions in patients with operable NSCLC is critical. Surgery should be performed cautiously in patients with stage III NSCLC having nodules larger than 5 mm.
Authors and Affiliations
Guo J, Chu X, Liu Y, Liang C
Keywords
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- EP ID EP547949
- DOI 10.14312/2052-4994.2014-17
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