The value of multimodal imaging by single photon emission computed tomography associated to X ray computed tomography (SPECT-CT) in the management of differentiated thyroid carcinoma: about 156 cases.

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Aida Mhiri
Intidhar El Bez
Ihsen Slim
Imène Meddeb
Imène Yeddes
Mohamed Ghezaiel
Saïd Gritli
Mohamed Faouzi Ben Slimène

Abstract

Background: Single photon emission computed tomography combined with a low dose computed tomography (SPECT-CT), is a hybrid imaging integrating functional and anatomical data. The purpose of our study was to evaluate the contribution of the SPECTCT over traditional planar imaging of patients with differentiated thyroid carcinoma (DTC).
methods: Post therapy 131IWhole body scan followed by SPECTCT of the neck and thorax, were performed in 156 patients with DTC.
results: Among these 156 patients followed for a predominantly papillary, the use of fusion imaging SPECT-CT compared to conventional planar imaging allowed us to correct our therapeutic approach in 26.9 % (42/156 patients), according to the protocols of therapeutic management of our institute .
Conclusion: SPECT-CT is a multimodal imaging providing better identification and more accurate anatomic localization of the foci of radioiodine uptake with impact on therapeutic management.

Keywords:

Differentiated thyroid carcinoma, hybrid imaging , tomo scintigraphy, Iodine131.

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