RT Journal Article SR Electronic T1 Synchronous Ectopic Thyroid Gland and Ectopic Parathyroid Adenoma on 99mTc-Sestamibi Scintigraphy and Correlative Imaging JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP jnmt.122.265249 DO 10.2967/jnmt.122.265249 A1 Palot Manzil, Fathima Fijula A1 Eichhorn, Joshua A1 Vattoth, Surjith YR 2023 UL http://tech.snmjournals.org/content/early/2023/06/14/jnmt.122.265249.abstract AB 99mTc-sestamibi scintigraphy localizes parathyroid adenoma as a persistent focus of uptake on delayed images, whereas thyroid glands in normal or ectopic locations are seen on only early images and wash out on delayed images. We report a case of absence of eutopic neck thyroid activity and synchronous ectopic lingual thyroid and mediastinal parathyroid adenoma on scintigraphy confirmed with CT.