<?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>0186-4866</journal-id>
<journal-title><![CDATA[Medicina interna de México]]></journal-title>
<abbrev-journal-title><![CDATA[Med. interna Méx.]]></abbrev-journal-title>
<issn>0186-4866</issn>
<publisher>
<publisher-name><![CDATA[Edición y Farmacia S.A. de C.V.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0186-48662019000300435</article-id>
<article-id pub-id-type="doi">10.24245/mim.v35i3.2276</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Enfermedad de Lyme en la Ciudad de México]]></article-title>
<article-title xml:lang="en"><![CDATA[Lyme disease in Mexico City]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guevara-Valmaña]]></surname>
<given-names><![CDATA[Osvaldo Ivan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Jiménez]]></surname>
<given-names><![CDATA[Angélica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza-García]]></surname>
<given-names><![CDATA[Jesús Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Benemérita Universidad Autónoma de Puebla  ]]></institution>
<addr-line><![CDATA[ Puebla]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General Dr. Manuel Gea González  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital General Dr. Manuel Gea González  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>35</volume>
<numero>3</numero>
<fpage>435</fpage>
<lpage>440</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0186-48662019000300435&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0186-48662019000300435&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0186-48662019000300435&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Se comunica el caso de una paciente de 29 años de edad, originaria y residente de la Ciudad de México, que inició su padecimiento con dolor en el segundo dedo de la mano izquierda posterior a una visita al bosque de Aragón, que progresó con náusea y diarrea, así como artralgias incapacitantes con predominio en las manos y los pies sin eritema multiforme en la mano. A su ingreso al hospital tuvo marcadores de inflamación de 19 x 103/&#956;L leucocitos y proteína C reactiva de 28 mg/dL, que se elevaron durante su estancia hospitalaria; ante la falta de respuesta al tratamiento médico y múltiples pruebas negativas se decidió realizar Western Blot para ricketsias con lo que se obtuvo resultado positivo para Borrelia burgdorferi, con lo que se estableció el diagnóstico definitivo de borreliosis de Lyme; la paciente recibió tratamiento adecuado y tuvo mejoría clara. La enfermedad de Lyme es una zoonosis transmitida por las garrapatas del género Ixodes causadas por la espiroqueta Borrelia burgdorferi. La Ciudad de México no se ha reportado como zona endémica por lo que comunicamos este caso.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: This paper reports the case of a 29-year-old female patient, who was originally from Mexico City and began her condition with pain in the second finger of left hand after a visit to the Aragon forest in Mexico City, progressing with nausea and diarrhea, as well as incapacitating arthralgias with predominance in hands and feet without erythema multiforme in hand. Upon admission, she had inflammation markers of 19 x 103/&#956;L leukocytes and C-reactive protein of 28 mg/dL, which were elevated during her hospital stay; due to the lack of response to medical treatment and multiple negative tests, a Western Blot test for ricketsias was done obtaining a positive result for Borrelia burgdorferi, establishing the definitive diagnosis of Lyme borreliosis, receiving adequate treatment and presenting clear improvement. Lyme disease is a zoonosis transmitted by the ticks of the genus Ixodes caused by the spirochete Borrelia burgdorferi. Mexico City has not been reported as an endemic area, which is why we report this case.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Enfermedad de Lyme]]></kwd>
<kwd lng="es"><![CDATA[Borrelia burgdorferi]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="en"><![CDATA[Lyme borreliosis]]></kwd>
<kwd lng="en"><![CDATA[Lyme disease]]></kwd>
<kwd lng="en"><![CDATA[Borrelia burgdorferi]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
</kwd-group>
</article-meta>
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