EANM practice guideline for PET/CT imaging in medullary thyroid carcinoma
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Medullary thyroid carcinoma (MTC) is a malignant tumour derived from the para-follicular thyroid C cells. It may occur in sporadic or hereditary forms and surgery represent the primary cure.
Ultrasound examination and, in selected cases, cross-sectional anatomic imaging procedures, are adopted to stage the disease before primary surgery while different anatomic/morphologic and functional/molecular imaging procedures can be adopted in detecting persistent/recurrent disease. Positron emitting radiopharmaceuticals including fluorine-18 fluorodeoxyglucose (18F-FDG), fluorine-18 dihydroxyphenylalanine (18F-FDOPA) and somatostatin analogues labelled with gallium-68 (68Ga-SSA) tracks different metabolic pathways or receptor expression/functioning, and proved to be useful in detecting MTC recurrences/metastasis.
This practice guideline from the Thyroid Committee of the European Association of Nuclear Medicine (EANM), with involvement of external experts, provides recommendations based on updated literature’s evidences. The purpose of this practice guideline is to assist imaging specialists and clinicians in recommending, performing and interpreting the results of PET/CT with various radiopharmaceuticals in patients with MTC.
KeywordsMedullary thyroid carcinoma PET/CT Fluorodeoxyglucose Dihydroxyphenylalanine Somatostatin
This practice guideline summarizes the views of EANM Thyroid Committee and produces recommendations for which the EANM cannot be considered responsible. The recommendations should be adopted in the context of good nuclear medicine practice of nuclear and do not substitute national and international regulations. Before approval, this practice guideline was available to all EANM Committees and EANM National Societies of Nuclear Medicine. All comments, criticisms and suggestions have been considered for this EANM practice guideline.
Compliance with ethical standards
Conflict of interest
L.G. is member of Roche Diagnostics advisory board and received research grants and speaker fees from Roche Diagnostics, IBSA and Sanofi-Genzyme. F.A.V. has received research grants from Sanofi-Genzyme and speaker honoraria from Sanofi-Genzyme, Diasorin and Jubilant Draximage. M.L. has received research grants and speaker honoraria from Sanofi-Genzyme, Bayer and Astra Zeneca. G.T declares that he has no conflict of interest. I.I declares that he has no conflict of interest. JM declares that she has no conflict of interest.
This article does not contain any studies with human participants or animals performed by any of the authors.
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