CORRELATION OF TUMOR ABSORBED DOSES OF 177LU-DOTA-TATE TREATMENT WITH PRE-THERAPEUTIC GA68 DOTA-TATE PET/CT UPTAKE IN NEUROENDOCRINE TUMORS

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Introduction: Peptide Receptor Radionuclide Therapy (PRRT) with Lu-177 aroused great interest. Estimation of actual radiation doses to tumors may help therapy planning.

Aim(s): Aim of the study was to compare tumor absorbed doses with pre-therapeutic Ga-68-DOTA-TATE-PET/CT uptake calculated from SUVvalues.

Materials and methods: PRRT results of patients (M/F:8/5,mean age:55.5±12.5) with inoperable NETs were retrospectively analyzed. Dosimetric calculations were performed using MIRD scheme Calculated tumor absorbed doses were compared with SUVmax of 68 Ga-DOTA-TATE-PET/CT.

Conference:

Presenting Author:

Authors: demirci e, kabasakal l, toklu t, ocak m, yeyin n,

Keywords: Tumor absorbed doses, PRRT, PET,