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Clinical Significance of FDG PET-CT Scan at 12 Weeks after Curative Radiation Therapy in Patients with Head and Neck Cancer / 대한두경부종양학회지
Korean Journal of Head and Neck Oncology ; (2): 17-22, 2021.
Article in Korean | WPRIM | ID: wpr-902129
ABSTRACT
Background/Objectives@#To evaluate clinical significance of FDG PET-CT for detection of residual cancer cells after curative radiation therapy or chemoradiotherapy for patients with squamous cell carcinoma (SCC) of Head and NeckMaterials &

Methods:

A retrospective analysis of patients with SCC of Head and neck with curative radiotherapy or chemoradiotherpy between June 2011 and Jan. 2019 was performed. Sixty patients were treated with Intensity-modulated radiotherapy (IMRT). The Metabolic responses were evaluated on the post-treatment FDG PET-CT at 12 weeks after curative radiotherapy completion. @*Results@#Median follow up was 51.5 months (3-102). The overall survival (OS), disease free survival (DFS), local control rate (LCR), and Distant metastasis free survival (DMFS) at 5 years were 80.5%, 80.1%, 87.7% and 89.1%. Metabolic CR was found in 43 (71.7%) and partial metabolic response (PR) was noted in 17 (14.6%). Metabolic CR was significantly correlated with OS, DFS, LCR, and DMFS. On multivariate analysis, Metabolic CR remained significant for DFS and LCR. @*Conclusion@#Metabolic CR on post-radiotherapy FDG PET-CT is highly predictive of increased DFS and LCR in patients with head and neck cancer.
Full text: Available Index: WPRIM (Western Pacific) Language: Korean Journal: Korean Journal of Head and Neck Oncology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Korean Journal: Korean Journal of Head and Neck Oncology Year: 2021 Type: Article