<?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>0016-3813</journal-id>
<journal-title><![CDATA[Gaceta médica de México]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. Méd. Méx]]></abbrev-journal-title>
<issn>0016-3813</issn>
<publisher>
<publisher-name><![CDATA[Academia Nacional de Medicina de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0016-38132019000600619</article-id>
<article-id pub-id-type="doi">10.24875/gmm.19005072</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Aspectos fundamentales del nódulo tiroideo y el cáncer bien diferenciado de tiroides para los médicos general y familiar]]></article-title>
<article-title xml:lang="en"><![CDATA[Fundamental aspects of thyroid nodule and well-differentiated thyroid cancer for general and family physicians]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gallegos-Hernández]]></surname>
<given-names><![CDATA[José Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional Siglo XXI Hospital de Oncología]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>155</volume>
<numero>6</numero>
<fpage>619</fpage>
<lpage>623</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-38132019000600619&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-38132019000600619&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-38132019000600619&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El galeno de primer contacto con el paciente es el médico general o familiar, de cuya evaluación inicial muchas veces depende el éxito en el tratamiento de los pacientes. Las guías terapéuticas nacionales e internacionales están diseñadas para especialistas en el área y el médico de primer contacto suele encontrarlas difíciles de interpretar. El objetivo del presente documento es ofrecer al médico de primer contacto los fundamentos para el diagnóstico y proceso de referencia de los pacientes con nódulos tiroideos y eventualmente con cáncer bien diferenciado de tiroides, un punto de vista objetivo y pragmático. No todos los nódulos tiroideos requieren la misma aproximación diagnóstica y no todos los nódulos están asociados con cáncer ni deben ser retirados. Las bases para el adecuado diagnóstico de un tumor tiroideo son la historia clínica, la exploración física y el ultrasonido; los resultados de estos tres métodos iniciales de exploración serán los que orienten el proceso diagnóstico-terapéutico. En el presenta artículo se explica la forma adecuada para el diagnóstico de un tumor tiroideo, los estudios innecesarios y los principios del tratamiento del cáncer de tiroides.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The physician that has the first contact with the patient is the general or family doctor, on whose initial assessment patient treatment success often depends. National and international treatment guidelines are designed for specialists in the area, and the primary care physician often finds them difficult to interpret. The purpose of this document is to offer primary care physicians the fundamentals for the diagnostic and reference process of patients with thyroid nodules and possibly with well-differentiated thyroid cancer, from an objective and pragmatic point of view. Not all thyroid nodules require the same approach, and not all nodules are associated with cancer and neither should they be removed. The bases for a proper diagnosis of a thyroid tumor are patient history, physical examination and ultrasound. The results of these three initial assessment methods shall support the decision on the diagnostic-therapeutic process. This article explains the appropriate way to approach the diagnosis of a thyroid tumor, which studies are unnecessary, and which are the principles of thyroid cancer treatment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cáncer de tiroides]]></kwd>
<kwd lng="es"><![CDATA[Médico familiar]]></kwd>
<kwd lng="es"><![CDATA[Médico general]]></kwd>
<kwd lng="es"><![CDATA[Cáncer bien diferenciado de tiroides. Ultrasonido]]></kwd>
<kwd lng="en"><![CDATA[Thyroid cancer]]></kwd>
<kwd lng="en"><![CDATA[Family doctor]]></kwd>
<kwd lng="en"><![CDATA[General practitioner]]></kwd>
<kwd lng="en"><![CDATA[Well-differentiated thyroid cancer]]></kwd>
<kwd lng="en"><![CDATA[Ultrasound]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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