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  Indian J Med Microbiol
 

Figure 3: Tc-99m sodium pertechnetate thyroid scintigraphy. (a) Anterior, (b) right, and (c) left anterior oblique static images. (d and e) Clinical images. An 8-year-old female child presented with midline neck swelling of 4 months duration with hypothyroidism, was on LT-4 replacement. USG neck showed an oval mass in the paratracheal region with the absence of an orthotopic thyroid gland. Thyroid scintigraphy revealed a large ovoid focus seen in the suprahyoid region of the neck (Marker 1) and an additional small focus of thyroid tissue in the lingual region, posterior one-third of the tongue (Marker 2) suggestive of dual thyroid ectopia. On local examination, a pea-size swelling with a smooth surface was seen at the posterior 3rd of the tongue (marker 3)

Figure 3: Tc-99m sodium pertechnetate thyroid scintigraphy. (a) Anterior, (b) right, and (c) left anterior oblique static images. (d and e) Clinical images. An 8-year-old female child presented with midline neck swelling of 4 months duration with hypothyroidism, was on LT-4 replacement. USG neck showed an oval mass in the paratracheal region with the absence of an orthotopic thyroid gland. Thyroid scintigraphy revealed a large ovoid focus seen in the suprahyoid region of the neck (Marker 1) and an additional small focus of thyroid tissue in the lingual region, posterior one-third of the tongue (Marker 2) suggestive of dual thyroid ectopia. On local examination, a pea-size swelling with a smooth surface was seen at the posterior 3<sup>rd</sup> of the tongue (marker 3)