Original articleGeneral thoracicAccuracy of Surveillance Computed Tomography in Detecting Recurrent or New Primary Lung Cancer in Patients With Completely Resected Lung Cancer
Section snippets
Patient Cohort and Study Design
A previously identified cohort of 92 patients with previously resected NSCLC who underwent 105 surveillance CT scans of the chest and upper abdomen in 2002 were included in this study. These 92 patients are part of a larger cohort of 213 patients who presented for follow-up in 2002 after previous complete resection for NSCLC [1]. Of these original 213 patients, 140 underwent surveillance CT scanning in 2002, with a total of 168 total scans being performed. The present group of 92 patients
Results
In 2002, 105 surveillance scans in 92 patients were read as abnormal by the radiologist with regard to pulmonary nodules, pleural fluid, and adenopathy. The stage distribution of the initially resected NSCLC in this cohort was as follows: IA, 48; IB, 23; IIA, 2; IIB, 6; IIIA, 6; IIIB, 3; and IV, 4. All 92 patients underwent an anatomic resection of their initial primary tumor except for 5 patients who had limited resections (4 segmentectomies and 1 multiple wedge resections). Anatomic
Comment
The follow-up of patients with completely resected NSCLC remains controversial. Surveillance CT of the chest is commonly performed after initial curative resection for this disease, despite lack of supporting data. A previous report from our group described a cohort of 140 patients who underwent surveillance CT of the chest and upper abdomen in 2002, along with the findings observed on these scans [1]. The goal of the present study is to document the recurrence patterns in the patients with
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2013, Annals of Thoracic SurgeryCitation Excerpt :Abnormal lesions at certain points include those that also existed preoperatively and nonspecific posttreatment changes related to surgical intervention, as well as true new lesions. Therefore, it seems that the incidence is higher and malignancy rate is lower in Korst and associates' study [7] compared with ours. Because “new” in our study means the change compared with previous scans, it is more clinically meaningful to adopt this definition.