<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0035-0052</journal-id>
<journal-title><![CDATA[Revista mexicana de pediatría]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. pediatr.]]></abbrev-journal-title>
<issn>0035-0052</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Pediatría A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-00522023000200076</article-id>
<article-id pub-id-type="doi">10.35366/113270</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diagnóstico de glándula tiroidea ectópica por gammagrafía]]></article-title>
<article-title xml:lang="en"><![CDATA[Diagnosis of ectopic thyroid gland by scintigraphy]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montes-Osorio]]></surname>
<given-names><![CDATA[Mario Germán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrizales-Medina]]></surname>
<given-names><![CDATA[Lilyana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Monroy]]></surname>
<given-names><![CDATA[Miguel Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada-Durán]]></surname>
<given-names><![CDATA[Dora María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Mexicano del Seguro Social  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Mexicano del Seguro Social  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<volume>90</volume>
<numero>2</numero>
<fpage>76</fpage>
<lpage>79</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-00522023000200076&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-00522023000200076&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-00522023000200076&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  la glándula tiroidea ectópica es la presencia de tejido tiroideo fuera de la ubicación habitual de la glándula. La gammagrafía con tecnecio 99 metaestable es la mejor herramienta diagnóstica y tiene la capacidad de detectar sitios anormales de ubicación de tejido tiroideo.  Presentación de caso:  femenino de 13 años, con diagnóstico de quiste tirogloso e hipotiroidismo. En ultrasonografía se determinó la presencia de un nódulo. Se realizó gammagrama tiroideo en el que no se demostró captación del radiofármaco en el sitio anatómico normal de la glándula tiroidea, sin embargo, se identificó la glándula tiroides en localización ectópica a nivel sublingual.  Conclusiones:  la gammagrafía es parte fundamental para el diagnóstico de una glándula tiroides ectópica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  ectopic thyroid gland is the presence of thyroid tissue outside the usual location of the gland. Scintigraphy with metastable technetium 99 is the most accurate diagnostic tool and can detect abnormal locations of thyroid tissue.  Case presentation:  13-year-old female, diagnosed with thyroglossal cyst and hypothyroidism; the presence of a nodule was determined by ultrasonography. A thyroid scintigram was performed, which did not demonstrate radiopharmaceutical uptake in the normal anatomical site of the thyroid gland; however, the thyroid gland was identified at the sublingual level, which in an ectopic location.  Conclusions:  scintigraphy is essential for the definitive diagnosis of an ectopic thyroid gland.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[adolescente]]></kwd>
<kwd lng="es"><![CDATA[gammagrafía]]></kwd>
<kwd lng="es"><![CDATA[hipotiroidismo]]></kwd>
<kwd lng="es"><![CDATA[tiroides ectópica]]></kwd>
<kwd lng="en"><![CDATA[adolescent]]></kwd>
<kwd lng="en"><![CDATA[scintigraphy]]></kwd>
<kwd lng="en"><![CDATA[hypothyroidism]]></kwd>
<kwd lng="en"><![CDATA[ectopic thyroid]]></kwd>
</kwd-group>
</article-meta>
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