Nucl Med Mol Imaging.  2020 Aug;54(4):204-206. 10.1007/s13139-020-00651-w.

Physiological Uptake of Radioactive Iodine Around an ArtificialEyeball Observed with Single-Photon Emission ComputedTomography/Computed Tomography After RadioactiveIodine Treatment

Affiliations
  • 1Department of Nuclear Medicine, Jeju National University Hospital, Jeju National University School of Medicine, Aran 13gil 15, Jeju-si 63241, South Korea
  • 2Jeju National University College of Medicine and Graduate School of Medicine, Jeju-si 63241, South Korea

Abstract

Radioactive iodine treatment is useful for ablating remnant thyroid tissue and metastasis ofwell-differentiated thyroid cancer withlong-lasting effects. A scintigraphy after radioactive iodine treatment is a major imaging modality for detecting metastasis andassessing the management of metastasis. However, caution is required when reading the scan due to potential false-positivefindings. In this study, scintigraphy and single-photon emission computed tomography/computed tomography images afterradioactive iodine treatment revealed a physiological uptake of radioactive iodine due to lacrimal secretion around an artificialeyeball; such findings have not been reported previously.

Keyword

Radioactive iodine; Artificial eyeball; SPECT/CT; Physiological uptake
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