alexa Metastatic Medullary Thyroid Cancers: Challenges in Diagnosis with Nuclear Medicine Techniques and the Role of Radionuclide Therapy
ISSN: 2155-9619

Journal of Nuclear Medicine & Radiation Therapy
Open Access

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Review Article

Metastatic Medullary Thyroid Cancers: Challenges in Diagnosis with Nuclear Medicine Techniques and the Role of Radionuclide Therapy

Flávia Paiva Proença Lobo Lopes1*, Fernanda Vaisman1, Cencita H Cordeiro de Noronha Pessoa1, Luiz de Souza Machado Neto2, Michel Pontes Carneiro2, Daniel Bulzico1 and Rossana Corbo1

1Endocrine Oncology Service, National Cancer Institute (INCA), Brazil

2Nuclear Medicine Section - National Intituto Cancer (INCA), Brazil

*Corresponding Author:
Flávia Paiva Proença Lobo Lopes
Endocrine Oncology Service
National Cancer Institute (INCA)
Rua Pio Correia, 98 apto. 506
Jardim Botânico – Rio de Janeiro – RJ
Brasil–CEP: 22461-240, Brazil
Tel: +552125272041
E-mail: [email protected]

Received date: July 18, 2015 Accepted date: August 17, 2015, Published date: August 21, 2015

Citation:Lopes FPPL, Vaisman F, Pessoa CHCN, Neto LSM, Carneiro MP, et al. (2015) Metastatic Medullary Thyroid Cancers: Challenges in Diagnosis with Nuclear Medicine Techniques and the Role of Radionuclide Therapy. J Nucl Med Radiat Ther S8: S8-001. doi:10.4172/2155-9619.1000S8-001

Copyright: ©2015 Lopes FPPL, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License; which permits unrestricted use; distribution; and reproduction in any medium; provided the original author and source are credited.

 

Abstract

Medullary thyroid cancer is a rare tumor driven from neuroendocrine cells. In the last decade there has been important discoveries regarding its genetics and relationship between genotype and phenotype on familial cases. However remains unknown the best approach for patient with maintained high levels of tumor markers such as calcitonin. Most available imaging techniques are able to accurately find metastatic lesions only in advanced disease. Traditionaly, nuclear medicine images are able to find metastatic suspicious lesions before they reach the size to be considered suspicious in conventional studies such as computed tomography scans or magnetic resonance imaging. However in patients with medullary thyroid cancer the ideal radiopharmaceutical for this purpose is yet to be found. Based on the biology of the tumor, some radiopharmaceuticals have been studied for diagnosis and also for therapy in those patients. The aim of this review is to describe the radiopharmaceuticals used for diagnosis and treatment until today and the role of each of them in medical care. In conclusion, the medullary thyroid cancer is a rare tumor and the review shows that despite all studies there is still no consensus on the importance of nuclear medicine in the diagnosis and treatment of these patients. Further studies are still needed.

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