PET/CT may change diagnosis and treatment in cancer patients

Henrik Petersen, Mie Jung Nielsen, Mette Høilund-Carlsen, Oke Gerke, Werner Vach, Poul Flemming Høilund-Carlsen

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Abstrakt

INTRODUCTION: The national focus on cancer has propelled the use of PET/CT for cancer imaging in Denmark. We believe that first-year experiences from a large PET centre may be of interest to new users. MATERIAL AND METHODS: Data from all scans made in the period from February 28 2006 to March 1 2007 with a single PET/CT scanner and 18F-fluoro-deoxyglucose (FDG) were collected prospectively along with information on action diagnosis, study purpose, etc. Referring departments indicated if PET/CT had changed or confirmed diagnosis, staging and treatment plan. RESULTS: A total of 970 scans were made in 826 patients, 14% had 2-5 scans performed. Diagnostic CT was performed in 53%. In all, 792 referrals came from Odense University Hospital. Nearly 85% were from the specialities of oncology (31%), haematology (24%), surgery (14%), internal medicine (9%) and gynaecology (6%). PET/CT for primary diagnosis was mainly used in lung cancer and in cases with unknown primary tumour. In malignant lymphomas and colorectal cancer, the technique was mainly employed for response evaluation. Use of PET/CT for staging and recurrence was more evenly distributed across specialities. PET/CT changed the primary diagnosis in 16% and induced a change in staging and treatment plan in 28% to 32% of cases, respectively. CONCLUSION: FDG PET/CT was mainly used for diagnosis in lung cancer and in cases with an unknown primary tumour, and for response evaluation in lymphomas and colorectal cancer. PET/CT caused a change of staging and treatment plan in 25-33% of cases.
OriginalsprogEngelsk
TidsskriftDanish Medical Bulletin (Online)
Vol/bind57
Udgave nummer9
Sider (fra-til)A4178
ISSN1603-9629
StatusUdgivet - 2010

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