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Congenital, Normal variants, eLearning, Ultrasound, MR, CT, Head and neck
S. M. Tochetto, O. C. Saito, J. D. Zavariz, M. C. Chammas; São Paulo/BR
To review the embryological development of the thymus (the origin in the third pharyngeal pouch,
the thymopharyngeal duct and its descend path to the superior mediastinum);
To review the appearance and report our experience with cervical thymic anomalies at US,
MR and PET-CT imaging;
To show examples of ectopic cervical thymic tissue,
anomalies related to thymoparyngeal remnants and the superior cervical extension of the thymus;
To discuss the differential diagnosis and the management of these cervical lesions.