<?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>2011-7582</journal-id>
<journal-title><![CDATA[Revista Colombiana de Cirugía]]></journal-title>
<abbrev-journal-title><![CDATA[rev. colomb. cir.]]></abbrev-journal-title>
<issn>2011-7582</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Cirugía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2011-75822009000200007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cuerpos extraños en abdomen: presentación de casos y revisión bibliográfica]]></article-title>
<article-title xml:lang="en"><![CDATA[Foreign bodies in the abdomen: case presentations and literature review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alfonso Borráez]]></surname>
<given-names><![CDATA[Oswaldo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alfonso Borráez]]></surname>
<given-names><![CDATA[Bernardo]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orozco]]></surname>
<given-names><![CDATA[Melissa]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Matzalik]]></surname>
<given-names><![CDATA[Gladys]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Bogotá D.C.]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad El Bosque  ]]></institution>
<addr-line><![CDATA[Bogotá D.C.]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Universidad Antonio Nariño  ]]></institution>
<addr-line><![CDATA[Bogotá D.C.]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2009</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2009</year>
</pub-date>
<volume>24</volume>
<numero>2</numero>
<fpage>114</fpage>
<lpage>122</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2011-75822009000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2011-75822009000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2011-75822009000200007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Los cuerpos extraños en abdomen constituyen un grupo de pseudotumores que corresponden a material no absorbible que, a diferencia de otros, no cumple ningún efecto terapéutico. Constituyen una complicación de un procedimiento quirúrgico o una nueva patología para el paciente, que obedece a un suceso iatrogénico de gran morbimortalidad y causan dificultades diagnósticas, sobrecostos y posibles problemas médico-legales. Con el advenimiento de la cirugía por laparoscopia (cirugía mínimamente invasiva), su incidencia ha descendido en forma importante. Se presenta un reporte de 6 casos cuyos curso clínico, complicaciones, estudios diagnósticos y tratamiento describen ampliamente las características de esta patología.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Retained foreign bodies in the abdomen represent a group of pseudotumors corresponding to non-absorbent material accidentally left during the operation. They are a complication of a surgical procedure representing a new pathology for the patient, a real iatrogenic event associated with significant morbidity and mortality, which creates difficulties in diagnosis, increased costs, and potential medico-legal problems. With the advent of laparoscopic surgery (minimally invasive surgery) there has been an important diminution in the incidence of retained foreign bodies, in English the so called gossypibomas or textilomas. We report 6 cases, whose clinical course, diagnostic studies and treatment amply describe the characteristics of this type of pathology.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[tapones quirúrgicos de gaza]]></kwd>
<kwd lng="es"><![CDATA[reacción a cuerpo extraño]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico]]></kwd>
<kwd lng="es"><![CDATA[evolución clínica]]></kwd>
<kwd lng="es"><![CDATA[complicaciones]]></kwd>
<kwd lng="en"><![CDATA[surgical sponges]]></kwd>
<kwd lng="en"><![CDATA[foreign-body reaction]]></kwd>
<kwd lng="en"><![CDATA[diagnosis]]></kwd>
<kwd lng="en"><![CDATA[clinical evolution]]></kwd>
<kwd lng="en"><![CDATA[complications]]></kwd>
<kwd lng="en"><![CDATA[pseudotumor]]></kwd>
<kwd lng="en"><![CDATA[gossypiboma]]></kwd>
<kwd lng="en"><![CDATA[textiloma]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font size="2" face="Verdana">      <p>    <center><font size="4"><b>Cuerpos extra&ntilde;os en abdomen: presentaci&oacute;n de    casos y revisi&oacute;n bibliogr&aacute;fica</b></font></center></p>     <p>    <center><font size="3"><b> Foreign bodies in the abdomen: case presentations and literature    review</b></font></center></p>     <p>    <center>Oswaldo Alfonso Borr&aacute;ez, MD<sup>(1)</sup>, Bernardo Alfonso Borr&aacute;ez,    MD<sup>(2)</sup>, Melissa Orozco, MD<sup>(3)</sup>, Gladys Matzalik, MD<sup>(3)</sup></center></p>     <p><sup>(1)</sup> Cirujano general, Universidad Nacional de Colombia; jefe, Departamento de    Cirug&iacute;a General, Hospital San Blas, E.S.E., Bogot&aacute;, D.C., Colombia;    profesor adjunto, Universidad Nacional y Universidad Antonio Nari&ntilde;o,    Bogot&aacute;, D.C., Colombia.     <br>   <sup>(2)</sup> M&eacute;dico cirujano, Universidad El Bosque, Bogot&aacute;,    D.C., Colombia.     <br>   <sup>(3)</sup> Estudiante de Medicina, Universidad Antonio Nari&ntilde;o, Bogot&aacute;,    D.C., Colombia.</p>     ]]></body>
<body><![CDATA[<p><b>Correspondencia</b>: Oswaldo Alfonso Borr&aacute;ez, MD, Bogot&aacute;,    D.C., Colombia. Correo electr&oacute;nico: <a href="mailto:oborraezg@gmail.com">oborraezg@gmail.com</a></p>     <p> Fecha de recibo: 30 de junio de 2008. Fecha de aprobaci&oacute;n: 6 de mayo    de 2009.</p> <hr size=1>     <p><font size="3"><b>Resumen</b></font></p>     <p>Los cuerpos extra&ntilde;os en abdomen constituyen un grupo de pseudotumores    que corresponden a material no absorbible que, a diferencia de otros, no cumple    ning&uacute;n efecto terap&eacute;utico. Constituyen una complicaci&oacute;n    de un procedimiento quir&uacute;rgico o una nueva patolog&iacute;a para el paciente,    que obedece a un suceso iatrog&eacute;nico de gran morbimortalidad y causan    dificultades diagn&oacute;sticas, sobrecostos y posibles problemas m&eacute;dico-legales.    Con el advenimiento de la cirug&iacute;a por laparoscopia (cirug&iacute;a m&iacute;nimamente    invasiva), su incidencia ha descendido en forma importante.</p>     <p>Se presenta un reporte de 6 casos cuyos curso cl&iacute;nico, complicaciones,    estudios diagn&oacute;sticos y tratamiento describen ampliamente las caracter&iacute;sticas    de esta patolog&iacute;a.</p>     <p>Palabras clave: tapones quir&uacute;rgicos de gaza; reacci&oacute;n a cuerpo    extra&ntilde;o; diagn&oacute;stico; evoluci&oacute;n cl&iacute;nica; complicaciones.</p> <hr size=1>     <p><font size="3"><b>Abstract</b></font></p>     <p>Retained foreign bodies in the abdomen represent a group of pseudotumors corresponding    to non-absorbent material accidentally left during the operation. They are a    complication of a surgical procedure representing a new pathology for the patient,    a real iatrogenic event associated with significant morbidity and mortality,    which creates difficulties in diagnosis, increased costs, and potential medico-legal    problems. With the advent of laparoscopic surgery (minimally invasive surgery)    there has been an important diminution in the incidence of retained foreign    bodies, in English the so called gossypibomas or textilomas.</p>     <p>We report 6 cases, whose clinical course, diagnostic studies and treatment    amply describe the characteristics of this type of pathology.</p>     <p>Key words: surgical sponges; foreign-body reaction; diagnosis; clinical evolution;    complications; pseudotumor; gossypiboma; textiloma.</p> <hr size=1>     ]]></body>
<body><![CDATA[<p><font size="3"><b>Introducci&oacute;n</b></font></p>     <p>Los cuerpos extra&ntilde;os en abdomen, llamados en la antig&uuml;edad corpus    alienum intraabdominal y conocidos tambi&eacute;n como &#8220;textilomas&#8221;,    &#8220;compresomas&#8221;, &#8220;gasomas&#8221;, &#8220;oblitomas&#8221; u    &#8220;oblitos&#8221; (utilizado por Masciotra en Argentina en 1941), constituyen    un grupo de pseudotumores causados por material quir&uacute;rgico no absorbible    sin ning&uacute;n efecto terap&eacute;utico. Su olvido en un procedimiento quir&uacute;rgico    origina una complicaci&oacute;n o, quiz&aacute;s, una nueva patolog&iacute;a    para el paciente, poco frecuente y no diagnosticada oportunamente, ya que obedece    a un suceso iatrog&eacute;nico que causa gran morbimortalidad, dificultades    diagn&oacute;sticas, sobrecostos y posibles problemas m&eacute;dico-legales    (1-6). Con el uso incrementado de la cirug&iacute;a por laparoscopia (m&iacute;nimamente    invasiva), la incidencia de este tipo de elementos ha disminuido en forma muy    importante (7).</p>     <p><font size="3"><b> Reporte de casos</b></font></p>     <p>Se presenta el reporte de casos de seis pacientes observados en un per&iacute;odo    de 10 a&ntilde;os en una instituci&oacute;n de Bogot&aacute;. Se obtuvo una    incidencia de 0,1 por 1.000 casos, cinco de ellos de sexo femenino y con un    rango de edad entre 20 y 50 a&ntilde;os. Se present&oacute; con mayor frecuencia    en cirug&iacute;a gineco-obst&eacute;trica. Cuatro de los seis casos correspond&iacute;an    a cirug&iacute;as realizadas de urgencia (66,7%).</p>     <p><b>Casos 1 a 4</b>: en cuatro pacientes de sexo femenino, cuyo s&iacute;ntoma    cardinal fue el dolor abdominal persistente, con antecedentes de cirug&iacute;a    gineco-obst&eacute;trica (2 ces&aacute;reas, 1 histerectom&iacute;a de urgencias    y 1 histerectom&iacute;a electiva) y luego de la realizaci&oacute;n de estudios    paracl&iacute;nicos, se sospech&oacute; la presencia de un cuerpo extra&ntilde;o,    por lo cual fueron llevadas a cirug&iacute;a, en la que se encontraron &#8220;compresomas&#8221;    encapsulados. La evoluci&oacute;n posoperatoria fue satisfactoria.</p>     <p><b>Caso 5</b>: se trata de un paciente de sexo masculino a quien se le practic&oacute;    laparotom&iacute;a por presentar una herida en el abdomen por proyectil de arma    de fuego, quien requiri&oacute;, entre otros procedimientos, suturas vasculares    (vena cava inferior y ligadura de la arteria gastroduodenal). Ten&iacute;a el    antecedente de una pancreato-duodenectom&iacute;a por trauma a&ntilde;os atr&aacute;s.    En las primeras 24 horas posoperatorias present&oacute; estado de choque y requiri&oacute;    nueva intervenci&oacute;n, en la cual se encontr&oacute; una compresa olvidada.    El paciente evolucion&oacute; satisfactoriamente.</p>     <p><b>Caso 6</b>: se trata de una paciente de sexo femenino de 50 a&ntilde;os    de edad, que presentaba dolor abdominal constante, de 20 d&iacute;as de evoluci&oacute;n    asociado a episodios em&eacute;ticos (de contenido alimentario), melenas, palidez    mucocut&aacute;nea, sensaci&oacute;n de llenura y fiebre (40&ordm;C). Ten&iacute;a    como antecedente una colecistectom&iacute;a realizada por laparotom&iacute;a    supraumbilical 8 meses antes. Adem&aacute;s de los ex&aacute;menes paracl&iacute;nicos,    se le practicaron, en su orden: tomograf&iacute;a y ecograf&iacute;a abdominales,    endoscopia digestiva alta y, finalmente, (por inter&eacute;s acad&eacute;mico)    un estudio radiol&oacute;gico simple de abdomen. En la ecograf&iacute;a hepato-biliar    se encontraron cambios posoperatorios de colecistectom&iacute;a. La tomograf&iacute;a    axial computadorizada con contraste fue reportada como normal, con &#8220;ves&iacute;cula    y v&iacute;as biliares sin alteraciones&#8221; (contrario al antecedente de    colecistectom&iacute;a) (<a href="img/revistas/rcci/v24n2/a7f1.jpg" target="_blank">figura 1</a>).</p>     <p>En la endoscopia digestiva alta se observ&oacute; lo que podr&iacute;a corresponder    a un cuerpo extra&ntilde;o, por lo cual se le solicit&oacute; &#8211;por inter&eacute;s    acad&eacute;mico&#8211; una radiograf&iacute;a simple de abdomen que mostr&oacute;    una imagen radiopaca plegada en la l&iacute;nea media (material radiopaco de    compresa), con lo cual se hizo el diagn&oacute;stico de cuerpo extra&ntilde;o.    Fue sometida a cirug&iacute;a (<a href="#figura2">Figura 2</a>).</p>     <p>       <center>     <a name="figura2"></a>    ]]></body>
<body><![CDATA[<br>     <img src="img/revistas/rcci/v24n2/a7f2.jpg">   </center> </p>     <p>En cirug&iacute;a se encontr&oacute; un s&iacute;ndrome pil&oacute;rico por    &#8220;compresoma&#8221;, el cual migr&oacute; a trav&eacute;s del duodeno y    la pared g&aacute;strica distal desde el espacio subhep&aacute;tico, y una ulceraci&oacute;n    gigante en el antro, penetrada al h&iacute;gado y a los tejidos vecinos. Se    le practic&oacute; liberaci&oacute;n de abundantes bridas, extracci&oacute;n    del cuerpo extra&ntilde;o, antrectom&iacute;a, gastroyeyunostom&iacute;a m&aacute;s    Y de Roux, duodenostom&iacute;a con sonda y lavado de la cavidad (<a href="#figura3">figura    3</a>). La paciente evolucion&oacute; satisfactoriamente.</p>     <p>       <center>     <a name="figura3"></a>    <br>     <img src="img/revistas/rcci/v24n2/a7f3.jpg">   </center> </p>     <p> <b><font size="3">Discusi&oacute;n</font></b></p>     <p>La incidencia de los cuerpos extra&ntilde;os olvidados en abdomen es variable,    aunque se estima entre 0,5 y 1 por 100 y 1 por 10.000 casos intervenidos; es    inherente a los procedimientos invasivos cuyo riesgo hay que minimizar en beneficio    de los pacientes (2-6,8-11). Aproximadamente, 80% de los cuerpos extra&ntilde;os    olvidados en abdomen corresponden a compresas, gasas y campos quir&uacute;rgicos    (&#8220;textilomas&#8221;) que contienen fibras de celulosa no asimilables por    el cuerpo humano; son menos frecuentes los sistemas de drenaje y los objetos    met&aacute;licos como tijeras, agujas, pinzas, etc. (<a href="#figura4">figura    4</a>).</p>     <p>       <center>     <a name="figura4"></a>    <br>     <img src="img/revistas/rcci/v24n2/a7f4.jpg">   </center> </p>     ]]></body>
<body><![CDATA[<p> Se observa mayor predominio en el sexo femenino (57%), con una mayor frecuencia    en las cirug&iacute;as del sistema digestivo (52%) (apendicectom&iacute;as y    colecistectom&iacute;as), seguidas por las ginecol&oacute;gicas (22%) (histerectom&iacute;as,    ces&aacute;reas y resecci&oacute;n de tumores de ovario, aunque en nuestra experiencia    es la m&aacute;s frecuente), urol&oacute;gicas (10%), vasculares (10%), de t&oacute;rax    (7,4%) y por trauma (6%) (1,6,8,9,12-24). Los cuerpos extra&ntilde;os no son    exclusivos del abdomen: pueden estar presentes en el muslo, donde causan edema,    dolor, reacci&oacute;n peri&oacute;stica y aumento de vasos sangu&iacute;neos,    o simulan lesiones tumorales (25,26), en el t&oacute;rax, donde producen dolor    localizado y tos persistente no hemoptoica. en el sistema nervioso central y    en el seno (24,27-31).</p>     <p> <b><font size="3">Fisiopatolog&iacute;a</font></b></p>     <p>Los cuerpos extra&ntilde;os olvidados puede causar dos tipos de reacciones:    1) fibrosis as&eacute;ptica con formaci&oacute;n de adherencias y formaci&oacute;n    de c&aacute;psulas que termina en un granuloma, y 2) fibrosis exudativa que    forma un absceso con colonizaci&oacute;n bacteriana o sin ella (26,27,32-34).  </p>     <p>La secuencia de eventos que se presenta muestra: a las 24 horas, inflamaci&oacute;n    exudativa; del octavo al d&eacute;cimo tercer d&iacute;a, inflamaci&oacute;n    granulomatosa que es un patr&oacute;n distintivo de inflamaci&oacute;n cr&oacute;nica,    caracterizado por agregaci&oacute;n de macr&oacute;fagos activados que adquieren    un aspecto de c&eacute;lulas escamosas agrandadas rodeadas por linfocitos, fibroblastos    y tejido conjuntivo, cuya funci&oacute;n es contener al agente agresor; estas    c&eacute;lulas causan adhesi&oacute;n a los tejidos vecinos. Despu&eacute;s    de los 5 a&ntilde;os, eventualmente pueden desintegrarse, calcificarse y, menos    frecuentemente, osificarse (1,12,35,36). </p>     <p>El simple uso de los guantes (por su contenido de talco) o la presencia de    materiales de sutura pueden causar reacciones inflamatorias al actuar como cuerpos    extra&ntilde;os y producir adherencias (12,37) o granulomas que por suturas    se presentan, aproximadamente, en 18% a 37% de los pacientes, seg&uacute;n el    tiempo de evoluci&oacute;n, y se reabsorben en su mayor&iacute;a con el material.    Se han encontrado casos de granulomas intraperitoneales por aceite, cuando era    utilizado para prevenir las adherencias y promover el peristaltismo (iniciado    por Blake, en 1908); igualmente, granulomas por c&aacute;lculos olvidados despu&eacute;s    de colecistectom&iacute;a por laparoscopia (37-40).</p>     <p><font size="3"><b> Factores de predisposici&oacute;n</b></font></p>     <p>Existen factores que aumentan el riesgo de olvidar un cuerpo extra&ntilde;o    en la cavidad abdominal y generan complicaciones para el paciente, los cuales    se relacionan con la cirug&iacute;a, el cirujano, el personal auxiliar y el    paciente (6,7,16,41-45).</p>     <p>Relacionados con la cirug&iacute;a:<br />   - De urgencias<br />   - Prolongadas<br />   - Realizadas en horas de la noche<br />   - Sangrado importante durante la cirug&iacute;a<br />   - Cambios abruptos de planes o modificaci&oacute;n de la t&eacute;cnica quir&uacute;rgica</p>     <p>Relacionados con el cirujano:<br />   - Cambios en la exposici&oacute;n de campos quir&uacute;rgicos<br />   - Fatiga<br />   - Falta de liderazgo y disciplina del cirujano<br />   - Uso indiscriminado del tel&eacute;fono celular durante las intervenciones    quir&uacute;rgicas </p>     <p>Relacionados con el personal auxiliar:<br />   - Cambios de personal durante el acto quir&uacute;rgico<br />   - Fatiga</p>     ]]></body>
<body><![CDATA[<p>Relacionados con el paciente:<br />   - Sangrados importantes<br />   - Alto &iacute;ndice de masa corporal</p>     <p><font size="3"><b> Aspectos &eacute;ticos y m&eacute;dico-legales</b></font></p>     <p>El potencial olvido de un cuerpo extra&ntilde;o es un evento adverso que puede    causar muchas complicaciones, prevenibles si se utilizan medidas razonables    y culturas de seguridad (7,41-43). Las causas m&aacute;s frecuentes de este    tipo de errores m&eacute;dicos son la ausencia de trabajo en equipo, fallas    en la comunicaci&oacute;n interpersonal, valoraci&oacute;n inadecuada del riesgo,    ausencia de est&aacute;ndares de procedimientos quir&uacute;rgicos y de verificaci&oacute;n    o listas de chequeo. Igualmente, otras causas pueden ser aqu&eacute;llas mencionadas    previamente en este art&iacute;culo. Se deben extremar las medidas de prevenci&oacute;n    para disminuir el riesgo de demandas del orden civil y penal por mala pr&aacute;ctica.  </p>     <p>Es importante mantener permanentemente una buena relaci&oacute;n entre el m&eacute;dico    y el paciente; de otra forma, no es posible el entendimiento por parte de &eacute;ste    del eventual suceso, adem&aacute;s de nuestra constante preocupaci&oacute;n    por solucionar el problema. De esta manera, se podr&iacute;a disminuir la posibilidad    de demandas al igual que, seg&uacute;n las circunstancias en que haya sucedido    el caso, los pacientes podr&iacute;an entender que jam&aacute;s habr&iacute;a    intenci&oacute;n de causarle da&ntilde;o, sino que, por el contrario, querer    solucionarle su problema m&eacute;dico (44,45).</p>     <p><font size="3"><b>Presentaci&oacute;n cl&iacute;nica</b></font></p>     <p>Los cuerpos extra&ntilde;os intraabdominales deben considerarse como un diagn&oacute;stico    diferencial en algunos pacientes con antecedentes quir&uacute;rgicos. Del 6%    al 30% de los pacientes pueden estar asintom&aacute;ticos. Los casos sintom&aacute;ticos    presentan un cuadro variable y poco espec&iacute;fico, por lo que se conoce    al cuerpo extra&ntilde;o en abdomen como &#8220;el gran simulador&#8221;; causa    dolor abdominal difuso localizado o abdomen agudo, hemorragias digestivas (altas    o bajas), fiebre en presencia de abscesos o infecci&oacute;n, &iacute;leo, n&aacute;useas,    v&oacute;mito, hiporexia, diarrea, distensi&oacute;n abdominal y una evoluci&oacute;n    posoperatoria t&oacute;rpida (1,4,10,11,16,18,46-48). </p>     <p> El 26% de ellos se detectan despu&eacute;s de 60 d&iacute;as; la presentaci&oacute;n    aguda se relaciona con el desarrollo de abscesos, sepsis intrabdominal o ambos    (4,49).</p>     <p><font size="3"><b> Complicaciones </b></font></p>     <p>Los cuerpos extra&ntilde;os olvidados en abdomen pueden presentar complicaciones    catastr&oacute;ficas. Aproximadamente, 69% de los pacientes requieren ser intervenidos    quir&uacute;rgicamente. El 59% presentan reingresos hospitalarios o estancia    prolongada y el 43% presentan sepsis o infecci&oacute;n (6). </p>     <p>Se ha reportado la migraci&oacute;n a trav&eacute;s de planos de menor resistencia,    recto, luz intestinal, est&oacute;mago (como uno de nuestros casos), vejiga,    ves&iacute;cula, uretra, vagina, diafragma o a trav&eacute;s de trayectos fistulosos,    y se presenta m&aacute;s frecuentemente en &iacute;leon y colon (1,50). La migraci&oacute;n    transmural sin signos de peritonitis u obstrucci&oacute;n intestinal es rara,    pero puede producirse por el peristaltismo; se encuentra reportada con expulsi&oacute;n    del cuerpo extra&ntilde;o por la v&iacute;a natural o causando obstrucci&oacute;n    pil&oacute;rica o de la v&aacute;lvula ileocecal. Esta complicaci&oacute;n dificulta    el diagn&oacute;stico (15,18,20,22,34,47,51,52). Tambi&eacute;n, el cuerpo extra&ntilde;o    puede migrar al exterior a trav&eacute;s de la pared abdominal. </p>     ]]></body>
<body><![CDATA[<p>En el 68% de los casos se encuentran adheridos al mesenterio; en 67%, a asas    intestinales delgadas, en 45%, a la pared abdominal, en 23%, a los &oacute;rganos    femeninos de la reproducci&oacute;n (que pueden causar infertilidad), en 34%,    al h&iacute;gado, en 20%, al est&oacute;mago, en 14%, al retroperitoneo, en    9%, al bazo y en 41%, al colon (37).</p>     <p>En 22% de los pacientes se presenta perforaci&oacute;n o erosi&oacute;n visceral,    obstrucci&oacute;n intestinal o f&iacute;stulas entero-cut&aacute;neas que pueden    requerir medio de contraste para definir su anatom&iacute;a y extensi&oacute;n    (3-6,33). </p>     <p>Otras complicaciones que pueden presentarse son: erosi&oacute;n u obstrucci&oacute;n    vascular, efecto de masa y compresi&oacute;n de estructuras adyacentes (s&iacute;ndrome    pseudotumoral), abscesos tempranos y tard&iacute;os, sepsis abdominal por perforaci&oacute;n    de asas y peritonitis granulomatosa (irritaci&oacute;n peritoneal aguda con    c&eacute;lulas gigantes y cuerpo extra&ntilde;o, rodeado por proceso inflamatorio)    (8,10,12,24,26,34,52).</p>     <p><font size="3"><b>Diagn&oacute;stico prequir&uacute;rgico </b></font></p>     <p>Los m&eacute;todos m&aacute;s utilizados y eficaces son los procedimientos    radiol&oacute;gicos simples, que no representan peligro adicional para el paciente    (12), como la radiograf&iacute;a simple de abdomen, que muestra una efectividad    de alrededor de 76% a 90%. Se puede identificar el material radiopaco en las    compresas (introducido por Cahn en 1929), que se hace dif&iacute;cil de visualizar    por pliegues, giros o desintegraci&oacute;n despu&eacute;s de un tiempo. Se    presenta un patr&oacute;n radiol&oacute;gico de panal de abejas o miga de pan,    radiol&uacute;cido, moteado, que se debe a la presencia de gas y secreciones;    puede confundirse con una colecci&oacute;n posoperatoria o una lesi&oacute;n    tumoral (1,5,11,27,33,53). </p>     <p>Otro estudio es la ecograf&iacute;a abdominal, cuyos hallazgos pueden ser de    tres tipos (1,11,27,28,32,33,36,46,54): </p>     <p>1. &aacute;rea ecog&eacute;nica (cuerpo extra&ntilde;o retenido), sombra ac&uacute;stica    posterior y periferia hipoecoica, producidas por los pliegues del cuerpo; <br />   2. masa qu&iacute;stica bien definida con centro ondulado y sombra ac&uacute;stica,    o<br />   3. patr&oacute;n inespec&iacute;fico con masa hipoecoica y sombra ac&uacute;stica.  </p>     <p>En la tomograf&iacute;a computadorizada, seg&uacute;n el grado de desintegraci&oacute;n,    calcificaci&oacute;n y osificaci&oacute;n, generalmente se observa la presencia    de una masa con pared bien definida, contornos n&iacute;tidos, niveles hidroa&eacute;reos    (signo frecuente y de alta sensibilidad), en espiral o espongiforme y l&iacute;quido    libre intraabdominal. Tambi&eacute;n pueden verse calcificaciones y realce de    la pared con la administraci&oacute;n de medio de contraste (signo de la corteza    calcificada y reticulada). El cuerpo extra&ntilde;o puede confundirse con las    heces fecales, pero se diferencia porque se encuentra por fuera de la luz intestinal.    Las burbujas est&eacute;riles de aire pueden verse hasta 6 meses despu&eacute;s    y el material radiopaco se puede diferenciar desde el inicio (1,3,5,7,27,29,32-34,36,49,52-55).    En los casos de cuerpos extra&ntilde;os olvidados en el t&oacute;rax (&#8220;compresomas&#8221;),    en la tomograf&iacute;a puede observarse la apariencia de una masa de tejidos    blandos o el aspecto de otros pseudotumores, como los aspergilomas (24).</p>     <p>En la resonancia magn&eacute;tica, la intensidad de la se&ntilde;al puede variar    de acuerdo con la composici&oacute;n histol&oacute;gica, el estadio y el contenido    del pseudotumor. Generalmente, se observa una masa heterog&eacute;nea de se&ntilde;al    baja o intermedia, que se realza con la supresi&oacute;n de grasa (5,25,26,29,33,52,53).</p>     <p>La endoscopia digestiva es excepcionalmente necesaria, la cual se har&iacute;a    en caso de sospecha de obstrucci&oacute;n pil&oacute;rica o del colon. Permite    la visualizaci&oacute;n directa del cuerpo extra&ntilde;o. En uno de nuestros    casos, este examen fue el que permiti&oacute; el diagn&oacute;stico.</p>     ]]></body>
<body><![CDATA[<p>La tomograf&iacute;a con emisi&oacute;n de positrones (2-fluoro-2-deoxy-D-glucose    positron emission tomography/computed tomography, FDG PET/CT) es un examen que    cuando se realiza en la investigaci&oacute;n de recurrencias tumorales puede    descubrir un cuerpo extra&ntilde;o, aunque no es un examen que se realice en    forma espec&iacute;fica para buscar los &#8220;compresomas&#8221; u otros cuerpos    extra&ntilde;os (21).</p>     <p><font size="3"><b> Diagn&oacute;stico diferencial</b></font></p>     <p>B&aacute;sicamente debe hacerse el diagn&oacute;stico diferencial con otras    alteraciones abdominales en pacientes con antecedentes quir&uacute;rgicos, dado    el cuadro cl&iacute;nico poco espec&iacute;fico. Deben tenerse en cuenta alteraciones    como abscesos, hematomas organizados, quistes en cualquier localizaci&oacute;n    y dependientes de &oacute;rganos, lesiones tumorales, masas pseudoqu&iacute;sticas,    fecalomas, obstrucci&oacute;n intestinal y tuberculosis intestinal, entre otras    (27,36,46,56).</p>     <p><font size="3"><b> Tratamiento</b></font></p>     <p>El tratamiento de elecci&oacute;n es la extracci&oacute;n quir&uacute;rgica    temprana una vez se establezca el diagn&oacute;stico, dado el riesgo de desarrollar    complicaciones a largo plazo (1). En aquellos casos en los cuales el organismo    ha ido expulsando el cuerpo extra&ntilde;o sin aparentes alteraciones org&aacute;nicas    importantes, debe permitirse su expulsi&oacute;n o retirarse una vez sea visualizado.</p>     <p><font size="3"><b> Medidas generales de prevenci&oacute;n y recomendaciones</b></font></p>     <p>Los cuerpos extra&ntilde;os olvidados en cualquier localizaci&oacute;n son    un evento adverso que es posible prevenir utilizando las siguientes medidas    generales de prevenci&oacute;n.</p>     <p>- Los paquetes deben llevar igual n&uacute;mero de compresas, gasas o torundas    (en caso de no ser as&iacute;, deben retirarse de la sala e informar).<br />   - Los recuentos deben ser audibles, ordenados y cuidadosos.<br />   - Si se deja empaquetada la cavidad, debe anotarse claramente.<br />   - Debe hacerse recuento de compresas e instrumental antes de iniciar la cirug&iacute;a,    al cierre de la cavidad operada y al cierre de la piel.<br />   - No debe existir aguja alguna sobre la mesa sin portaagujas.<br />   - Si el recuento de los materiales no coincide, se repite y, si persiste la    falta de coincidencia, debe tomarse una radiograf&iacute;a de la cavidad antes    de salir del quir&oacute;fano.<br />   - Se deben establecer normas que garanticen la m&aacute;xima calidad en la prestaci&oacute;n    de cuidados al paciente sometido a cirug&iacute;a.<br />   - Hay que establecer protocolos claros para realizar el recuento de todo el    material quir&uacute;rgico.<br />   - En los tiempos actuales, no deber&iacute;a utilizarse el tel&eacute;fono celular    durante los procedimientos quir&uacute;rgicos, por ser factor de distracci&oacute;n.</p> <font size="3"><b>Referencias</b></font></p>      <!-- ref --><p>1. 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Ir J Med Sci. 2008;177:389-91.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000087&pid=S2011-7582200900020000700007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>8. Regueiro P, Mateo EM, L&oacute;pez A, Garc&iacute;a A, Roncal&eacute;s A,    Rioja LA. Cuerpo extra&ntilde;o simulando tumor renal. Actas Urol Esp. 2004;28:390-2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000088&pid=S2011-7582200900020000700008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>9. Murad M, Bari V. Gossypiboma a case report. Pak J Med Sci. 2003;19:138-40.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000089&pid=S2011-7582200900020000700009&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>10. Ta&ccedil;yildiz I, Aldemir M. The mistakes of surgeons: &#8220;gossypiboma&#8221;.    Acta Chir Belg. 2003;103:71-5.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000090&pid=S2011-7582200900020000700010&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>11. Shyung LR, Chang WH, Lin SC, Shih SC, Kao CR, Chou SY. Report of gossypiboma    from the standpoint in medicine and law. 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</person-group>
<article-title xml:lang="en"><![CDATA[Gossypiboma - a case report]]></article-title>
<source><![CDATA[J Nepal Med Assoc]]></source>
<year>2003</year>
<volume>42</volume>
<page-range>364-5</page-range></nlm-citation>
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</ref-list>
</back>
</article>
