<?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>0122-0667</journal-id>
<journal-title><![CDATA[Revista Médica de Risaralda]]></journal-title>
<abbrev-journal-title><![CDATA[Revista médica Risaralda]]></abbrev-journal-title>
<issn>0122-0667</issn>
<publisher>
<publisher-name><![CDATA[Universidad Tecnológica de Pereira]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-06672016000100011</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Una expresión infrecuente de una asociación epidémica desbordada: Tuberculosis y diabetes]]></article-title>
<article-title xml:lang="en"><![CDATA[Tuberculosis and diabetes association low frequency from an outbreak recently]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Giraldo]]></surname>
<given-names><![CDATA[Ángela María]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Conde]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera]]></surname>
<given-names><![CDATA[Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mugnier]]></surname>
<given-names><![CDATA[Jaqueline]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres Duque]]></surname>
<given-names><![CDATA[Carlos A]]></given-names>
</name>
<xref ref-type="aff" rid="A05"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Fundación Neumológica Colombiana Universidad de la Sabana ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Fundación Neumológica Colombiana  ]]></institution>
<addr-line><![CDATA[Santa Fe de Bogotá ]]></addr-line>
</aff>
<aff id="A03">
<institution><![CDATA[,Fundación Cardioinfantil  ]]></institution>
<addr-line><![CDATA[Santa Fe de Bogotá ]]></addr-line>
</aff>
<aff id="A04">
<institution><![CDATA[,Fundación Cardioinfantil  ]]></institution>
<addr-line><![CDATA[Santa Fe de Bogotá ]]></addr-line>
</aff>
<aff id="A05">
<institution><![CDATA[,Fundación Neumológica Colombiana Departamento de Investigación ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2016</year>
</pub-date>
<volume>22</volume>
<numero>1</numero>
<fpage>64</fpage>
<lpage>67</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-06672016000100011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-06672016000100011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-06672016000100011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[La tuberculosis (TB) es la causa más frecuente de muerte por un microorganismo bacteriano específico, causando 1,3 millones de muertes al año. Las alteraciones inmunológicas juegan un papel importante en su desarrollo (1-2). Actualmente las causas de inmunosupresión que favorecen el desarrollo de la (TB) son la infección por el virus del VIH, la desnutrición y el envejecimiento. La diabetes mellitus tipo 2 (DM) presenta una pérdida de la inmunidad, aumentando el riesgo de infección y el desarrollo de enfermedad tuberculosa o su reactivación endógena (3). Los macrófagos tienen un papel protagónico en este proceso debido al deterioro en la capacidad de fagocitosis, opsonización, producción anómala de peróxido de hidrógeno (H2O2) y mal funcionamiento de receptores Fc para el complemento C3; todos estos mecanismos contribuyen a la respuesta, control y destrucción del M. tuberculosis. La pérdida de estas funciones en las personas diabéticas favorece una creciente asociación con la TB que ha adquirido carácter de epidemia (4-5).]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Tuberculosis (TB) is the most common cause of death from a specific bacterial organism, causing 1.3 million deaths a year. Immunological disorders play an important role in its development (1-2). Currently the causes of immunosuppression favoring development (TB) are infected with HIV, malnutrition and aging. Type 2 diabetes mellitus (DM) has a loss of immunity, increasing the risk of infection and developing TB disease or endogenous reactivation (3). Macrophages play a leading role in this process due to the deterioration in the ability of phagocytosis, opsonization, abnormal production of hydrogen peroxide (H2O2) and malfunction of Fc receptors for complement C3; all these mechanisms contribute to the response, control and destruction of M. tuberculosis. The loss of these functions in people with diabetes favors a growing partnership with the TB epidemic has acquired character (4-5).]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Tuberculosis]]></kwd>
<kwd lng="es"><![CDATA[Diabetes mellitus]]></kwd>
<kwd lng="es"><![CDATA[inmunosupresión]]></kwd>
<kwd lng="es"><![CDATA[macrófago]]></kwd>
<kwd lng="es"><![CDATA[TB genitourinaria]]></kwd>
<kwd lng="en"><![CDATA[Tuberculosis]]></kwd>
<kwd lng="en"><![CDATA[Diabetes mellitus]]></kwd>
<kwd lng="en"><![CDATA[immunosuppression]]></kwd>
<kwd lng="en"><![CDATA[macrophage]]></kwd>
<kwd lng="en"><![CDATA[TB genitourinary]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font face="verdana" size="2">     <p>Reporte de Caso</p>     <p><font face="verdana" size="4"><b>Una expresi&oacute;n infrecuente de una asociaci&oacute;n epid&eacute;mica desbordada: Tuberculosis y diabetes</b></font></p>     <p><b>&Aacute;ngela Mar&iacute;a Giraldo M h Rafael Conde<sup>2</sup>, Hugo Herrera <sup>3</sup>, Jaqueline Mugnier <sup>4</sup>, Carlos A. Torres Duque<sup>5</sup>.</b></p>     <p>1 &nbsp;&nbsp;&nbsp;Fellow de Neumolog&iacute;a, Universidad de la Sabana. Fundaci&oacute;n Neumol&oacute;gica Colombiana, Bogot&aacute;.</p>     <p>2 &nbsp;&nbsp;&nbsp;Neum&oacute;logo, Fundaci&oacute;n Neumol&oacute;gica Colombiana, Santa Fe de Bogot&aacute;.</p>     <p>3 &nbsp;&nbsp;&nbsp;M&eacute;dico Pat&oacute;logo. Fundaci&oacute;n Cardioinfantil, Santa Fe de Bogot&aacute;.</p>     <p>4 &nbsp;&nbsp;&nbsp;M&eacute;dica Pat&oacute;loga. Fundaci&oacute;n Cardioinfantil, Santa Fe de Bogot&aacute;.</p>     <p>5 &nbsp;&nbsp;&nbsp;Neum&oacute;logo y Director del Departamento de Investigaci&oacute;n Fundaci&oacute;n Neumol&oacute;gica Colombiana, Santa Fe de Bogot&aacute;.</p>     <p>Fecha de Recepci&oacute;n: 29/11/2015 </p>     ]]></body>
<body><![CDATA[<p>Fecha de Evaluaci&oacute;n: 26/5/2015&nbsp;</p>     <p>Fecha de Solicitud de Correcciones: 9/2/2016&nbsp;</p>     <p>Fecha de Aceptaci&oacute;n: 24/2/2016</p>     <p><b>Resumen</b></p>     <p>La tuberculosis (TB) es la causa m&aacute;s frecuente de muerte por un microorganismo bacteriano espec&iacute;fico, causando 1,3 millones de muertes&nbsp;al a&ntilde;o. Las alteraciones inmunol&oacute;gicas juegan un papel importante en su&nbsp;desarrollo (1-2). Actualmente las causas de inmunosupresi&oacute;n que favorecen el&nbsp;desarrollo de la (TB) son la infecci&oacute;n por el virus del VIH, la desnutrici&oacute;n y el&nbsp;envejecimiento. La diabetes mellitus tipo 2 (DM) presenta una p&eacute;rdida de la&nbsp;inmunidad, aumentando el riesgo de infecci&oacute;n y el desarrollo de enfermedad&nbsp;tuberculosa o su reactivaci&oacute;n end&oacute;gena (3).</p>     <p>Los macr&oacute;fagos tienen un papel protag&oacute;nico en este proceso debido al deterioro en la capacidad de fagocitosis, opsonizaci&oacute;n, producci&oacute;n an&oacute;mala&nbsp;de per&oacute;xido de hidr&oacute;geno (H2O2) y mal funcionamiento de receptores Fc&nbsp;para el complemento C3; todos estos mecanismos contribuyen a la respuesta,&nbsp;control y destrucci&oacute;n del M. tuberculosis. La p&eacute;rdida de estas funciones en&nbsp;las personas diab&eacute;ticas favorece una creciente asociaci&oacute;n con la TB que ha&nbsp;adquirido car&aacute;cter de epidemia (4-5).</p>     <p><b>Palabras clave: </b>Tuberculosis, Diabetes mellitus, inmunosupresi&oacute;n, macr&oacute;fago, TB genitourinaria.</p>     <p><b>Tuberculosis and diabetes association low frequency from an outbreak recently</b></p>     <p><b>Abstract</b></p>     <p>Tuberculosis (TB) is the most common cause of death from a specific bacterial organism, causing 1.3 million deaths a year. Immunological disorders&nbsp;play an important role in its development (1-2). Currently the causes of&nbsp;immunosuppression favoring development (TB) are infected with HIV,&nbsp;malnutrition and aging. Type 2 diabetes mellitus (DM) has a loss of immunity,&nbsp;increasing the risk of infection and developing TB disease or endogenous&nbsp;reactivation (3).</p>     ]]></body>
<body><![CDATA[<p>Macrophages play a leading role in this process due to the deterioration in the ability of phagocytosis, opsonization, abnormal production of hydrogen&nbsp;peroxide (H2O2) and malfunction of Fc receptors for complement C3; all&nbsp;these mechanisms contribute to the response, control and destruction of&nbsp;M. tuberculosis. The loss of these functions in people with diabetes favors a&nbsp;growing partnership with the TB epidemic has acquired character (4-5).</p>     <p><b>Keywords:</b> Tuberculosis, Diabetes mellitus, immunosuppression, macrophage, TB genitourinary</p>     <p><font face="verdana" size="3"><b>Introducci&oacute;n</b></font></p>     <p>Existen varios casos publicados en la literatura desde 1879, que describen casos t&iacute;picos de tuberculosis genital masculina, la cual fue descubierta 3 a&ntilde;os m&aacute;s tarde por Koch. Pero s&oacute;lo hasta 1980 es que realmente esta presentaci&oacute;n cobra importancia y se produce un aumento de su incidencia&nbsp;en sujetos con infecci&oacute;n VIH.</p>     <p>El aumento de la Diabetes mellitus tipo 2 ha generado otra poblaci&oacute;n en riesgo para esta presentaci&oacute;n, en especial aquellos con pobre control metab&oacute;lico. Los diab&eacute;ticos adem&aacute;s de tener tres veces m&aacute;s posibilidades de infectarse y desarrollar la enfermedad tuberculosa, pueden desarrollar&nbsp;enfermedad extra pulmonar, entre el 15% y el 28%, de las cuales la tuberculosis genitourinaria es una complicaci&oacute;n frecuente, esta involucra&nbsp;pr&oacute;stata, ves&iacute;culas seminales, conducto deferente, test&iacute;culo, pene y epid&iacute;dimo (6-9).</p>     <p>Las v&iacute;as de infecci&oacute;n a&uacute;n no est&aacute;n claramente dilucidadas y al parecer los pulmones ser&iacute;an la v&iacute;a de ingreso m&aacute;s frecuente de la M. tuberculosis. Luego de la diseminaci&oacute;n hemat&oacute;gena se produce una siembra en sitios distales como en el tracto genitourinario, altamente vascularizado. Pero&nbsp;tambi&eacute;n se ha demostrado diseminaci&oacute;n por medio de la v&iacute;a linf&aacute;tica y de siembras directas (3-4-5).</p>     <p>Mediante este caso cl&iacute;nico se propone analizar la relaci&oacute;n que existe entre el estado de inmunosupresi&oacute;n de los pacientes con DM y las formas extrapulmonares de la tuberculosis, haciendo &eacute;nfasis en la presentaci&oacute;n genitourinaria.</p> <b>Caso cl&iacute;nico </b>     <p>Hombre de 62 a&ntilde;os, con cuadro cl&iacute;nico de ocho meses de evoluci&oacute;n de disuria, polaquiuria, masa testicular izquierda y salida de secreci&oacute;n blanquecina a trav&eacute;s de la piel del escroto. Historia cl&iacute;nica conocida de DM tipo 2 desde hace cuatro a&ntilde;os, sin adecuado control metab&oacute;lico.</p>     <p>El examen f&iacute;sico revel&oacute; un paciente con (IMC 20,6 kg / m2), disminuci&oacute;n de ruidos respiratorios y lesi&oacute;n indurada en polo superior del test&iacute;culo izquierdo con salida de material blanquecino a trav&eacute;s de orificio en piel del escroto.</p>     <p>Fue admitido en la instituci&oacute;n donde se le realizan paracl&iacute;nicos: uroan&aacute;lisis con presencia de 4 leucocitos por campo de gran aumento en sedimento urinario, sin aislamiento de bacterias (piuria abacteriana), hemoglobina glicosilada HbAlc: 12% (mal control metab&oacute;lico), prueba&nbsp;de VIH negativa, niveles plasm&aacute;ticos de gonadotropina cori&oacute;nica humana subunidad - &beta; (&beta;-hCG), a-fetoprote&iacute;na (AFP), deshidrogenasa l&aacute;ctica&nbsp;(LDH) dentro de rangos normales. Se realiz&oacute; una ecograf&iacute;a testicular, que revel&oacute; una lesi&oacute;n heterog&eacute;nea s&oacute;lida (3,0 x 2,8 cm), hipoecoica, en el&nbsp;epid&iacute;dimo izquierdo.</p>     ]]></body>
<body><![CDATA[<p>Paralelo a lo anterior se realiz&oacute; una radiograf&iacute;a de t&oacute;rax que mostr&oacute; m&uacute;ltiples micron&oacute;dulos de distribuci&oacute;n al azar en ambos campos pulmonares, dichos hallazgos fueron confirmados en una imagen tomogr&aacute;fica de t&oacute;rax.</p>     <p align="center"><a name="f1"></a><a href="img/revistas/rmri/v22n1/v22n1a11-1.jpg" target="_blank">Figura 1</a></p>     <p>El paciente fue llevado a epididimectom&iacute;a encontr&aacute;ndose abundante material caseoso. En el estudio histol&oacute;gico se observaron granulomas compuestos por c&eacute;lulas epitelioides, histiocitos, macr&oacute;fagos y linfocitos, con grandes &aacute;reas de necrosis caseosa. El cultivo (L&ouml;wenstein-Jensen) fue&nbsp;positivo a la octava semana. Una muestra de orina fue llevada previamente a reacci&oacute;n en cadena de la polimerasa y GenXpert reportadas como&nbsp;positivas para M. tuberculosis y con sensibilidad a la rifampicina. Con las cuales se inicia tratamiento antituberculoso tempranamente, previo al&nbsp;resultado del cultivo.</p>     <p align="center"><a name="f2"></a><a href="img/revistas/rmri/v22n1/v22n1a11-2.jpg" target="_blank">Figura 1</a></p>     <p><font face="verdana" size="3"><b>Discusi&oacute;n:</b></font></p>     <p>La comprensi&oacute;n de los mecanismos inflamatorios e inmunol&oacute;gicos asociados a enfermedades como la DM que influyen en la progresi&oacute;n de infecciones como la tuberculosis, es importante para dimensionar la severidad de la comorbilidad (10). El conocimiento puntual de algunas&nbsp;funciones celulares del macr&oacute;fago y su papel efector en la respuesta inmune tomando como punto de partida inicial la formaci&oacute;n del granuloma,&nbsp;que es un mecanismo de protecci&oacute;n contra la difusi&oacute;n bacteriana, ayudan a comprender estas relaciones (11).</p>     <p>Posterior a la inhalaci&oacute;n de la micobacteria, esta llega a los alv&eacute;olos donde es fagocitada por los macr&oacute;fagos, los cuales la procesan en fagosomas. Estos y las c&eacute;lulas T son los principales responsables de su control y eliminaci&oacute;n (12- 13). En los sujetos con DM la regulaci&oacute;n deficiente de la&nbsp;glucosa, la resistencia a la insulina y la gluconeog&eacute;nesis hep&aacute;tica conducen a una formaci&oacute;n excesiva circulante de &aacute;cidos grasos libres (AGL),&nbsp;de productos de glicosilaci&oacute;n avanzada (PGA), que junto con un mayor nivel de estr&eacute;s oxidativo, generan un estado de inflamaci&oacute;n cr&oacute;nica&nbsp;multiorg&aacute;nica (14). Esta situaci&oacute;n conlleva al aumento de c&eacute;lulas pro-inflamatorias como CD4 + T helper tipo 1 (Th1), c&eacute;lulas (Th17) y c&eacute;lulas&nbsp;T citot&oacute;xicas CD8 + (CTL). Mientras que los macr&oacute;fagos, las T-helper de tipo 2 (Th2) y las c&eacute;lulas T reguladoras (Treg) son suprimidas lo cual&nbsp;conduce a mayor destrucci&oacute;n tisular y al secuestro de las micobacterias dentro de compartimentos como: cavernas, abscesos y granulomas que&nbsp;hace m&aacute;s dif&iacute;cil su erradicaci&oacute;n con los f&aacute;rmacos antituberculosos (15). Lo anterior sumado a alteraciones en las funciones como: la fagocitosis, la opsonizaci&oacute;n y la apoptosis que inducen a mayor n&uacute;mero de micobacterias viables circulantes (16). En este grupo existe adem&aacute;s&nbsp;una perdida en la integraci&oacute;n de las se&ntilde;ales celulares moleculares,&nbsp;deterioro en la producci&oacute;n del &oacute;xido n&iacute;trico sintasa y de las citoquinas&nbsp;inflamatorias como: TNF- a, IL-12 e IL-18, que son indispensables&nbsp;para el est&iacute;mulo del IFN-y, requerido en el reclutamiento de las c&eacute;lulas&nbsp;NK y c&eacute;lulas T helper de tipol (Thl); que finalmente fortalecen la&nbsp;estructura del granuloma (17 - 19). As&iacute; la respuesta inflamatoria&nbsp;del macr&oacute;fago requiere una regulaci&oacute;n precisa para lograr el balance&nbsp;entre la protecci&oacute;n y la injuria tisular (19).</p>     <p>La disfunci&oacute;n fagoc&iacute;tica puede ser mediada directamente a trav&eacute;s del dep&oacute;sito en exceso de la glucosa y los productos de glicosilaci&oacute;n&nbsp;avanzada (PGA) dentro de la c&eacute;lula o indirectamente a trav&eacute;s de la&nbsp;acumulaci&oacute;n de prote&iacute;nas mal plegadas, que se depositan en el interior&nbsp;del ret&iacute;culo y conducen al llamado &ldquo;estr&eacute;s del ret&iacute;culo endopl&aacute;smico&rdquo;,&nbsp;fen&oacute;meno relacionado con autofagia, que conduce a degradaci&oacute;n de&nbsp;componentes propios de la c&eacute;lula con formaci&oacute;n de autofagosomas en&nbsp;lugar de la fagocitosis normal (20-21).</p>     <p>Estos macr&oacute;fagos viajan estando infectados con micobacterias viables a trav&eacute;s de los vasos linf&aacute;ticos y sangu&iacute;neos, hasta los ganglios&nbsp;linf&aacute;ticos regionales o en el flujo sangu&iacute;neo a cualquier parte del&nbsp;cuerpo. Estos pueden erosionarse, liberando los granulomas dentro&nbsp;del par&eacute;nquima de diversos &oacute;rganos (h&iacute;gado, bazo, ri&ntilde;ones, pulmones,&nbsp;meninges, m&eacute;dula &oacute;sea y otros tejidos), semejando semillas de mijo,&nbsp;generando el conocido patr&oacute;n miliar de la infecci&oacute;n. Por otro lado, la&nbsp;reactivaci&oacute;n end&oacute;gena de la tuberculosis luego de varios a&ntilde;os, ocurre&nbsp;como resultado de g&eacute;rmenes viables desde estos granulomas, debido&nbsp;al defecto inmune en el macr&oacute;fago (22).</p>     <p>Finalmente, la TB genitourinaria representa el 5% de los casos de tuberculosis extrapulmonar (23). Esta presentaci&oacute;n tiene mayor&nbsp;incidencia en grupos de pacientes, que como los diab&eacute;ticos, tienen&nbsp;una inmunidad comprometida, siendo una de las localizaciones m&aacute;s&nbsp;frecuentes de la TB genital la del epid&iacute;dimo (24). La micobacteria&nbsp;tuberculosa alcanza el epid&iacute;dimo por diferentes v&iacute;as, una por extensi&oacute;n&nbsp;retrograda canal&iacute;cular desde la pr&oacute;stata y las ves&iacute;culas seminales y otra&nbsp;a trav&eacute;s de la diseminaci&oacute;n linf&aacute;tica o hemat&oacute;gena como puede ser la&nbsp;de nuestro caso a partir de una TB miliar. La latencia entre la infecci&oacute;n&nbsp;pulmonar y la infecci&oacute;n genitourinaria puede tener un periodo largo,&nbsp;de a&ntilde;os antes de que aparezca la enfermedad, en algunas series se&nbsp;han descrito hasta 30 a&ntilde;os. Otra fuente probable de esta condici&oacute;n&nbsp;podr&iacute;a ser una infecci&oacute;n luego de la terapia con el bacilo de Calmette-Gu&eacute;rin pr&aacute;ctica realizada en pacientes con c&aacute;ncer de vejiga (25). El&nbsp;uroan&aacute;lisis sugestivo se presenta con piuria abacteriana como en&nbsp;este caso. La ecograf&iacute;a es la mejor t&eacute;cnica para obtener im&aacute;genes del&nbsp;escroto, de su contenido y ayuda en el diagn&oacute;stico diferencial (26-27).</p>     ]]></body>
<body><![CDATA[<p align="center"><a name="g1"><img src="img/revistas/rmri/v22n1/v22n1a11-3.jpg"/></a></p>     <p align="center"><a name="g2"><img src="img/revistas/rmri/v22n1/v22n1a11-4.jpg"/></a></p>     <p>El gold standard de la TBC genitourinaria es la identificaci&oacute;n de la micobacteria en la orina, pero en ocasiones se requiere de material&nbsp;anatomopatol&oacute;gico para la realizaci&oacute;n del diagn&oacute;stico. Con la prueba&nbsp;de PCR en orina para micobacterias el diagnostico se ha facilitado.&nbsp;Esta es una t&eacute;cnica de identificaci&oacute;n r&aacute;pida con sensibilidad y&nbsp;especificidad de 95% y 98% respectivamente que ayuda al inicio de&nbsp;tratamiento temprano, pero su limitaci&oacute;n est&aacute; dada por la incapacidad&nbsp;para detectar si la infecci&oacute;n es activa o es latente, lo cual hace necesario&nbsp;la combinaci&oacute;n de &eacute;sta con los cultivos que determinan la actividad&nbsp;biol&oacute;gica de la micobacteria (28). Las tinciones Ziehl-Neelsen deben&nbsp;ser interpretadas con cuidado debido a la presencia de M. smegmatis&nbsp;en orina como parte de flora local normal (29), que puede conducir a&nbsp;falsos positivos. Todo lo anterior con el fin de realizar el diagnostico&nbsp;e iniciar el tratamiento r&aacute;pidamente, ya que los cultivos tardan m&aacute;s&nbsp;tiempo en ser reportados. La radiograf&iacute;a de t&oacute;rax se presenta como&nbsp;anormal en el 75% de los casos por ello es importante su realizaci&oacute;n&nbsp;(30). Se ha recomendado el tratamiento acortado supervisado. En este&nbsp;caso, como el paciente es diab&eacute;tico debe recibir 56 dosis en primera&nbsp;fase (dosis diaria) y 98 dosis en segunda fase (tres veces por semana)&nbsp;semanas. Con este esquema se pueden alcanzar tasas de curaci&oacute;n&nbsp;mayores al 95% (31).</p>     <p><font face="verdana" size="3"><b>Conclusi&oacute;n:</b></font></p>     <p>La asociaci&oacute;n entre la diabetes y la tuberculosis podr&iacute;a ser el pr&oacute;ximo desaf&iacute;o para el control mundial de la tuberculosis. Una mejor&nbsp;comprensi&oacute;n de la relaci&oacute;n bidireccional de las dos enfermedades es&nbsp;necesaria para optimizar el tratamiento y su manejo integral. En las&nbsp;personas que padecen DM tipo 2 puede ser apropiada la b&uacute;squeda&nbsp;activa y la detecci&oacute;n temprana de TB. Por otro lado se debe crear de&nbsp;un modelo similar al programa de TBC-VIH que mejore el enfoque&nbsp;en esta poblaci&oacute;n.</p>     <p>El paciente discutido en este caso ten&iacute;a hallazgos t&iacute;picos de tuberculosis genital masculina, esta forma de presentaci&oacute;n de&nbsp;tuberculosis extrapulmonar debe considerarse en hombres con quejas&nbsp;genitourinarias y con DM tipo 2 e historia de contacto con TB. Este&nbsp;caso mostr&oacute; una buena respuesta a la terapia farmacol&oacute;gica acortada&nbsp;supervisada durante 9 meses dada por aumento de peso, remisi&oacute;n de&nbsp;s&iacute;ntomas urinarios, desaparici&oacute;n de lesi&oacute;n testicular y mejor control&nbsp;metab&oacute;lico.</p>     <p><font face="verdana" size="3"><b>Conflictos de inter&eacute;s</b></font></p>     <p>Los autores declaran no tener conflictos de inter&eacute;s</p>     <p><font face="verdana" size="3"><b>Referencias</b></font></p>     <!-- ref --><p>1. &nbsp;&nbsp;&nbsp;World Health Organization. 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