Rosario Mazzola1, Pierpaolo Alongi2, Francesco Ricchetti3, Alba Fiorentino3, Sergio Fersino3, Niccolò Giaj-Levra3, Matteo Salgarello4, Filippo Alongi3,5. 1. Radiation Oncology, Sacro Cuore Don Calabria Hospital, Negrar-Verona, Italy. rosariomazzola@hotmail.it. 2. Nuclear Medicine, Fondazione Giglio, Cefalù, Italy. 3. Radiation Oncology, Sacro Cuore Don Calabria Hospital, Negrar-Verona, Italy. 4. Nuclear Medicine, Sacro Cuore Don Calabria Hospital, Negrar-Verona, Italy. 5. University of Brescia, Brescia, Italy.
Abstract
AIM: To analyze the impact of 18F-fluorodeoxyglucose-PET/CT (PET/CT) in the radiotherapy (RT) planning strategy in HNC, correlating CT-scan and PET/CT performances. MATERIALS AND METHODS: Inclusion criteria were: age >18 years old, histologically proven head and neck cancer (HNC), patients candidate to definitive RT ± chemotherapy, stage of disease by means of PET/TC and CT-scan performed at our Cancer Care Center. RESULTS: Sixty patients were analyzed. The following primary tumor sites were investigated: nasopharynx (13%), oropharynx (42%), oral cavity (32%) and larynx non-glottic (13%). Globally, PET/CT findings caused changes on nodal radiation treatment volumes in 10% of all the population of study. Specifically, in 5 cases out of 19 oral cavity tumors (26%), PET/CT detected neck-nodes positive (not detected at CT-scan). These findings have allowed to change the patients management, including PET/CT neck-nodes positive in the high-risk RT volumes. CONCLUSION: In the RT planning strategy, the present findings support the use of PET/CT to improve upfront regional staging of HNC disease, particularly for oral cavity tumors. Further investigations are advocated to evaluate if this strategy could impact on long-term outcomes in terms of local control and overall survival.
AIM: To analyze the impact of 18F-fluorodeoxyglucose-PET/CT (PET/CT) in the radiotherapy (RT) planning strategy in HNC, correlating CT-scan and PET/CT performances. MATERIALS AND METHODS: Inclusion criteria were: age >18 years old, histologically proven head and neck cancer (HNC), patients candidate to definitive RT ± chemotherapy, stage of disease by means of PET/TC and CT-scan performed at our Cancer Care Center. RESULTS: Sixty patients were analyzed. The following primary tumor sites were investigated: nasopharynx (13%), oropharynx (42%), oral cavity (32%) and larynx non-glottic (13%). Globally, PET/CT findings caused changes on nodal radiation treatment volumes in 10% of all the population of study. Specifically, in 5 cases out of 19 oral cavity tumors (26%), PET/CT detected neck-nodes positive (not detected at CT-scan). These findings have allowed to change the patients management, including PET/CT neck-nodes positive in the high-risk RT volumes. CONCLUSION: In the RT planning strategy, the present findings support the use of PET/CT to improve upfront regional staging of HNC disease, particularly for oral cavity tumors. Further investigations are advocated to evaluate if this strategy could impact on long-term outcomes in terms of local control and overall survival.
Entities:
Keywords:
Fluorodeoxyglucose-PET/CT; Locally advanced head and neck cancer; Radiotherapy
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