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Accumulation of 131I in Esophageal Diverticulum Diagnosed by SPECT/CT

Rizzo, Alessio, MD*; Zagaria, Luca, MD; Perotti, Germano, MD; Annunziata, Salvatore, MD*; Salvatori, Massimo, MD*

doi: 10.1097/RLU.0000000000002263
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A 72-year-old man underwent total thyroidectomy and radioiodine remnant ablation for papillary thyroid cancer in 2016. The posttherapy whole-body scan showed uptake in the neck, classified as residual thyroid tissue. Two years later, the patient came to our observation to perform a second radioiodine therapy for high levels of thyroglobulin. The planar posttherapy scan showed a focal radioiodine area in the neck. SPECT/CT diagnosed a voluminous esophageal diverticulum located in the upper third of the esophagus. A CT performed to discover the source of thyroglobulin excluded locoregional or distant metastases and confirmed the presence of a Zenker diverticulum.

From the *Fondazione Policlinico A. Gemelli IRCCS–Università Cattolica Sacro Cuore, and

Fondazione Policlinico A. Gemelli IRCCS–Istituto di Medicina Nucleare, Roma, Italy.

Received for publication May 31, 2018; revision accepted July 22, 2018.

Conflicts of interest and sources of funding: none declared.

Correspondence to: Alessio Rizzo, MD, Fondazione Policlinico A. Gemelli, Largo Agostino Gemelli 1 IRCCS–Università Cattolica Sacro Cuore, Istituto di Medicina Nucleare, Roma, Italy. E-mail:

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