<?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>2444-054X</journal-id>
<journal-title><![CDATA[Cirugía y cirujanos]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. cir.]]></abbrev-journal-title>
<issn>2444-054X</issn>
<publisher>
<publisher-name><![CDATA[Academia Mexicana de Cirugía A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-054X2020000300325</article-id>
<article-id pub-id-type="doi">10.24875/ciru.19001362</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Transoral laser microsurgery for early glottic cancer at a tertiary hospital in Mexico City]]></article-title>
<article-title xml:lang="es"><![CDATA[Microcirugía transoral con láser para el cáncer glótico temprano en un hospital de tercer nivel en Ciudad de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tamez-Velarde]]></surname>
<given-names><![CDATA[Mario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno-Moreno]]></surname>
<given-names><![CDATA[Olga P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Larios]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Gutiérrez]]></surname>
<given-names><![CDATA[Magali]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Girón-Archundia]]></surname>
<given-names><![CDATA[Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Central Sur de Alta Especialidad de Petróleos Mexicanos Servicio de Otorrinolaringología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>88</volume>
<numero>3</numero>
<fpage>325</fpage>
<lpage>330</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2020000300325&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2020000300325&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2020000300325&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: The objective of the study was to analyze the results of endoscopic laser microsurgery for early glottic carcinoma treatment (Stages I and II) at a Tertiary Center in Mexico City.  Materials and methods: Descriptive, retrospective review of 40 patients with early glottic carcinoma who were treated with endoscopic laser microsurgery with curative intent at our institution from November 2003 to December 2013.  Results: The study yielded 4 pTis, 19 pT1a, 8 pT1b, and 9 pT2 patients. Mean patient follow-up time was 7.4 years (range 3-12.9 years). Post-operative bleeding requiring surgical intervention occurred in 1 (2.5%) patient. Kaplan&#8211;Meier results at 3 and 5-year estimates were as follows: overall survival was 92.5 and 87%, respectively; laser only local control was 94.9 and 91.6%, respectively; and disease specific survival and ultimate local control rate were 97.5% for both time periods. We found a 97.5% (39/40) organ preservation rate.  Conclusions: Laser microsurgery for glottic carcinoma treatment is an emerging technique in Mexico. Our results are promising as reported by other authors in Europe and United States of America, which support the replicability of the surgical technique refined by Dr. Wolfgang Steiner.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Analizar los resultados del tratamiento del carcinoma glótico temprano (estadios I y II) con microcirugía láser en un hospital de tercer nivel en Ciudad de México.  Método: Estudio descriptivo y retrospectivo en 40 pacientes con cáncer glótico temprano tratados con microcirugía láser de noviembre de 2003 a diciembre de 2013.  Resultados: Se estudiaron 4 pTi, 19 pT1a, 8 pT1b y 9 pT2. El tiempo promedio de seguimiento fue de 7.4 años (rango: 3 - 12.9). Se presentó un sangrado posoperatorio con revisión quirúrgica (2.5%). Las curvas de Kaplan-Meier de estimación a 3 y 5 años mostraron una sobrevida total del 92.5 y 87%, respectivamente; control local solo con láser del 94.9 y 91.6%, respectivamente; sobrevida específica de la enfermedad y control local global del 97.5%, para ambos periodos de tiempo. El porcentaje de conservación del órgano fue del 97.5% (39/40).  Conclusiones: La microcirugía láser para el tratamiento del cáncer glótico temprano es una técnica que se aplica paulatinamente en México. Nuestros resultados son prometedores y equiparables a los reportados por otros autores en Europa y en los Estados Unidos de América, lo que sustenta la reproducibilidad de la técnica quirúrgica implementada por el Dr. Wolgang Steiner.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Laryngeal cancer]]></kwd>
<kwd lng="en"><![CDATA[Glottic cancer]]></kwd>
<kwd lng="en"><![CDATA[Larynx cancer]]></kwd>
<kwd lng="en"><![CDATA[Laser surgery]]></kwd>
<kwd lng="es"><![CDATA[Cáncer laríngeo]]></kwd>
<kwd lng="es"><![CDATA[Cáncer glótico]]></kwd>
<kwd lng="es"><![CDATA[Cáncer de Laringe]]></kwd>
<kwd lng="es"><![CDATA[Cirugía Láser]]></kwd>
</kwd-group>
</article-meta>
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