Feasibility of different tumor delineation approaches for 18F-PSMA-1007 PET/CT imaging in patients with metastatic prostate cancer

LM Mittlmeier,L Beyer,A Todica,A Herlemann,A Kretschmer,NS Schmidt-Hegemann,WG Kunz,J Ricke,P Bartenstein,H Ilhan,M Unterrainer

59. Jahrestagung der Deutschen Gesellschaft für NuklearmedizinNuklearmedizin - NuclearMedicine（2021）

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Abstract

Ziel/Aim Thresholds for total tumor delineation using 18F-PSMA-1007 PET are not yet established. As correlation of PET-based information and morphological extent in osseous and visceral metastases is hampered by morphological delineation, low contrast in liver tissue and movement artefacts, we correlated CT-based volume of large lymph node metastases (LNM) and PET-based delineation approaches for optimal PET-thresholding.

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Key words

PET Imaging,PET/CT,Metastatic Prostate Cancer,tumor,Prostate Cancer

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