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¹⁸F-FDG Uptake as a Biologic Prognostic Factor for Recurrence in Patients with Surgically Resected Non–Small Cell Lung Cancer

¹ Department of Radiology, Kanazawa Medical University, Ishikawa, Japan
² Department of Pathology, Kanazawa Medical University, Ishikawa, Japan
³ Department of Respiratory Surgery, Kanazawa Medical University, Ishikawa, Japan
⁴ Division of Respiratory Disease, Department of Internal Medicine, Kanazawa Medical University, Ishikawa, Japan
⁵ Department of Radiology, Kanazawa Cardiovascular Hospital, Ishikawa, Japan

View larger version (30K): [in a new window]   FIGURE 1. (A) Kaplan–Meier survival curves of all 57 patients according to SUV of lung cancer. (B) Kaplan–Meier disease-free survival curves of all 57 patients according to SUV of lung cancer. (C and D) Kaplan–Meier disease-free survival curves of 46 patients with pathologic stage (pStage) I NSCLC (C) and 38 patients with pStage IA NSCLC (D) according to SUV of lung cancer. Curves reveal clear demarcation, with poor survival or disease-free survival of subjects in high-SUV group.

View larger version (79K): [in a new window]   FIGURE 2. Patient 37: moderately differentiated adenocarcinoma, 3.5 cm in maximal diameter, pathologic stage IB (T2 N0 M0). (A) CT image shows nodule in right lung. (B) 18F-FDG PET shows faint accumulation in tumor (SUV, 2.12). Patient was alive 53 mo after PET study.

View larger version (53K): [in a new window]   FIGURE 3. Patient 35: moderately differentiated adenocarcinoma, 2.9 cm in maximal diameter, pathologic stage IA (T1 N0 M0). (A) CT image shows nodule in right lung. (B) 18F-FDG PET shows hot accumulation in tumor (SUV, 5.76). Patient suffered recurrence in brain 27 mo after PET study and died 32 mo after PET study.