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Updated: Dec 30, 2025
A Practical Guide for the Production and PET/CT Imaging of 68Ga-DOTATATE for Neuroendocrine Tumors in Daily Clinical Practice
Published on: April 17, 2019
The Complementary Role of 68Ga-DOTATATE PET/CT in Neuroblastoma
Tuğçe Telli1, Eser Lay Ergün, Bilge Volkan Salanci
1From the Department of Nuclear Medicine, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
Abstract:
A girl diagnosed with neuroblastoma at 33 months underwent I-MIBG scan after surgery and chemoradiotherapy. Although MIBG scan showed complete response, the bone marrow biopsy showed refractory disease. Therefore, she underwent Ga-DOTATATE PET/CT, which revealed bone marrow involvement and Ga-DOTATATE-avid brain metastasis. Rare physiological pineal gland uptake was also depicted. Ga-DOTATATE PET/CT showed active progressive disease earlier, before it was detectable with MIBG scan. For patients with MIBG-negative relapsed/refractory disease, Ga-DOTATATE may have an important role in restaging, detecting unsuspected metastasis, therapy planning.
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