Prognostic Value of Preoperative Metabolic Tumor Volume and Total Lesion Glycolysis Measured by 18F-FDG PET/CT in Salivary Gland Carcinomas
- Prognostic Value of Preoperative Metabolic Tumor Volume and Total Lesion Glycolysis Measured by 18F-FDG PET/CT in Salivary Gland Carcinomas
- In Sun Ryu; Jae Seung Kim; Jong-Lyel Roh; Jeong Hyun Lee; Kyung-Ja Cho; Seung-Ho Choi; Soon Yuhl Nam; 김상윤
- salivary gland carcinomas; 18F-FDG PET/CT; metabolic tumor volume; total lesion glycolysis; prognostic factors
- Issue Date
- The Journal of nuclear medicine
- VOL 54, NO 7, 1032-1038
- Metabolic tumor volume (MTV) and total lesion glycolysis (TLG) from 18F-FDG PET/CT are emerging prognostic biomarkers in various human cancers. This study examined the prognostic value of these metabolic tumor parameters measured by pretreatment 18F-FDG PET/CT in patients with salivary gland carcinomas. Methods: Forty-nine patients with intermediate- or high-grade salivary gland carcinomas who underwent definitive surgery with or without radiotherapy or chemoradiotherapy were evaluated preoperatively by 18F-FDG PET/CT. Maximum standardized uptake values (SUVmax), MTV, and TLG were measured for each patient. Univariate and multivariate analyses were used to identify clinicopathologic and imaging variables associated with progression-free survival (PFS) and overall survival (OS). Univariate analyses included the following variables: age, sex, pT and pN classifications, overall pTNM stage, histologic grade, resection margin, tumor lymphovascular invasion and perineural invasion, postoperative adjuvant therapy, gross total volume, SUVmax, MTV, and TLG. Results: The 3-y PFS and OS rates for all study patients were 66.9% and 81.6%, respectively. The median SUVmax, MTV, and TLG were 5.1 (range, 1.7–21.5), 16.2 mL (1.0–115.1 mL), and 24.4 g (2.1–224.4 g), respectively. Univariate analyses showed that there were significant correlations between pT classification, pN classification, MTV, and TLG and both PFS and OS (P < 0.05). However, SUVmax was not associated with either PFS (P = 0.111) or OS (P = 0.316). Multivariate analyses revealed that MTV (P = 0.011; hazard ratio, 11.50; 95% confidence interval, 1.45–91.01) and TLG (P = 0.038; hazard ratio, 3.55; 95% confidence interval, 1.07–11.76) were independent variables for PFS. Conclusion: Pretreatment values of MTV and TLG are independent prognostic factors in patients with intermediate or high-grade salivary gland carcinomas.
- Appears in Collections:
- KIST Publication > Article
- Files in This Item:
There are no files associated with this item.
- RIS (EndNote)
- XLS (Excel)
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.