Dual-headed Coincidence PET vs. Dedicated PET/CT in the Evaluation of Thoracic Malignancies

The aim of this study was to evaluate the usefulness of coincidence PET imaging as compared with dedicated PET/CT in cancer staging. Patients and Methods: Sixteen patients with thoracic malignancies referred to a PET/CT examination accepted to repeat the acquisition with a coincidence PET system. One experienced nuclear medicine physician compiled a report from the PET/CT examinations and the coincidence PET images. The reports were compared and evaluated according to the degree of agreement: no agreement, unsatisfactory, acceptable or satisfying agreement. Results: Satisfying or acceptable agreement between the PET/CT and the coincidence PET examination was found in 14 out of 16 patients (88%). The main issue for the examining physician was to anatomically locate the FDG uptake in the mediastinum in The coincidence PET images. Conclusion: The data from this small study imply that the staging results obtained with coincidence PET are in most cases concordant with those obtained with dedicated PET/CT.

Holgersson, GeorgUppsala universitet,Enheten för onkologi (author)
Bergqvist, Jan-Erik (author)
Bergqvist, MichaelUppsala universitet,Enheten för onkologi(Swepub:uu)michberg (author)
Ekman, SimonUppsala universitet,Enheten för onkologi (author)
Stenström, Mats (author)
Uppsala universitetEnheten för onkologi (creator_code:org_t)

By the author/editor: Bergström, Stefa ...; Holgersson, Geor ...; Bergqvist, Jan-E ...; Bergqvist, Micha ...; Ekman, Simon; Stenström, Mats

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