<?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>1405-0099</journal-id>
<journal-title><![CDATA[Cirujano general]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. gen]]></abbrev-journal-title>
<issn>1405-0099</issn>
<publisher>
<publisher-name><![CDATA[Asociación Mexicana de Cirugía General A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-00992022000100034</article-id>
<article-id pub-id-type="doi">10.35366/109317</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Colangiocarcinoma. Caso clínico a propósito del abordaje diagnóstico]]></article-title>
<article-title xml:lang="en"><![CDATA[Cholangiocarcinoma. Diagnostic approach and a clinical case]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado-Calderón]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Urbina-Zeglen]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado-García]]></surname>
<given-names><![CDATA[Edwin Leopoldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario de Torreón Servicio de Cirugía General ]]></institution>
<addr-line><![CDATA[Torreón Coahuila]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>44</volume>
<numero>1</numero>
<fpage>34</fpage>
<lpage>39</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-00992022000100034&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-00992022000100034&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-00992022000100034&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Los colangiocarcinomas son tumores derivados del epitelio biliar tanto intrahepático como extrahepático. Constituyen el segundo tumor primario más frecuente de hígado. Se caracterizan por su forma de presentación en estadios avanzados. Existen diferentes factores de riesgo importantes para el desarrollo de esta patología; sin embargo, hasta 50% de los casos se reportan sin un factor de riesgo asociado. Para su diagnóstico se requiere del conjunto de clínica, estudios de imagen, biopsia o cepillado, así como de marcadores tumorales. El único tratamiento con intención curativa es la resección quirúrgica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Cholangiocarcinomas are tumors derived from both intrahepatic and extrahepatic biliary epithelium. They are the second most common primary liver tumor. They are characterized by their presentation in advanced stages. There are different important risk factors for the development of this pathology, however up to 50% of cases are reported without an associated risk factor. For its diagnosis, all the clinic, imaging studies, biopsy or brushing as well as tumor markers are required. The only treatment with curative intent is surgical resection.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[colangiocarcinoma]]></kwd>
<kwd lng="es"><![CDATA[perihiliar]]></kwd>
<kwd lng="es"><![CDATA[Klatskin]]></kwd>
<kwd lng="es"><![CDATA[colestasis]]></kwd>
<kwd lng="es"><![CDATA[CA 19-9]]></kwd>
<kwd lng="en"><![CDATA[cholangiocarcinoma]]></kwd>
<kwd lng="en"><![CDATA[perihilar]]></kwd>
<kwd lng="en"><![CDATA[Klatskin]]></kwd>
<kwd lng="en"><![CDATA[cholestasis]]></kwd>
<kwd lng="en"><![CDATA[CA 19-9]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[AS]]></given-names>
</name>
<name>
<surname><![CDATA[Dageforde]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cholangiocarcinoma]]></article-title>
<source><![CDATA[Surg Clin North Am]]></source>
<year>2019</year>
<volume>99</volume>
<page-range>315-35</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Razumilava]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Gores]]></surname>
<given-names><![CDATA[GJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cholangiocarcinoma]]></article-title>
<source><![CDATA[Lancet]]></source>
<year>2014</year>
<volume>383</volume>
<page-range>2168-79</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bergquist]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[von Seth]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Epidemiology of cholangiocarcinoma]]></article-title>
<source><![CDATA[Best Pract Res Clin Gastroenterol]]></source>
<year>2015</year>
<volume>29</volume>
<page-range>221-32</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[TS]]></given-names>
</name>
<name>
<surname><![CDATA[Pak]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[JB]]></given-names>
</name>
<name>
<surname><![CDATA[Bahk]]></surname>
<given-names><![CDATA[YY]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clonorchis sinensis, an oriental liver fluke, as a human biological agent of cholangiocarcinoma: a brief review]]></article-title>
<source><![CDATA[BMB Rep]]></source>
<year>2016</year>
<volume>49</volume>
<page-range>590-7</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zheng]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Okanurak]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Lv]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Liver fluke infection and cholangiocarcinoma: a review]]></article-title>
<source><![CDATA[Parasitol Res]]></source>
<year>2017</year>
<volume>116</volume>
<page-range>11-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soreide]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Soreide]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bile duct cyst as precursor to biliary tract cancer]]></article-title>
<source><![CDATA[Ann Surg Oncol]]></source>
<year>2007</year>
<volume>14</volume>
<page-range>1200-11</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<name>
<surname><![CDATA[Tavolari]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Brandi]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cholangiocarcinoma: epidemiology and risk factors]]></article-title>
<source><![CDATA[Liver Int]]></source>
<year>2019</year>
<volume>39</volume>
<numero>^s1</numero>
<issue>^s1</issue>
<supplement>1</supplement>
<page-range>19-31</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Plentz]]></surname>
<given-names><![CDATA[RR]]></given-names>
</name>
<name>
<surname><![CDATA[Malek]]></surname>
<given-names><![CDATA[NP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical presentation, risk factors and staging systems of cholangiocarcinoma]]></article-title>
<source><![CDATA[Best Pract Res Clin Gastroenterol]]></source>
<year>2015</year>
<volume>29</volume>
<page-range>245-52</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Krampitz]]></surname>
<given-names><![CDATA[GW]]></given-names>
</name>
<name>
<surname><![CDATA[Aloia]]></surname>
<given-names><![CDATA[TA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Staging of biliary and primary liver tumors: current recommendations and workup]]></article-title>
<source><![CDATA[Surg Oncol Clin N Am]]></source>
<year>2019</year>
<volume>28</volume>
<page-range>663-83</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blechacz]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cholangiocarcinoma: current knowledge and new developments]]></article-title>
<source><![CDATA[Gut Liver]]></source>
<year>2017</year>
<volume>11</volume>
<page-range>13-26</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cillo]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Fondevila]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Donadon]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gringeri]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Mocchegiani]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Schlitt]]></surname>
<given-names><![CDATA[HJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Surgery for cholangiocarcinoma]]></article-title>
<source><![CDATA[Liver Int]]></source>
<year>2019</year>
<volume>39</volume>
<numero>^s1</numero>
<issue>^s1</issue>
<supplement>1</supplement>
<page-range>143-55</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Loosen]]></surname>
<given-names><![CDATA[SH]]></given-names>
</name>
<name>
<surname><![CDATA[Vucur]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Trautwein]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Roderburg]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Luedde]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Circulating Biomarkers for Cholangiocarcinoma]]></article-title>
<source><![CDATA[Dig Dis]]></source>
<year>2018</year>
<volume>36</volume>
<page-range>281-8</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ho]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[C ey]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diagnosis and Management of Intrahepatic and Extrahepatic Cholangiocarcinoma]]></article-title>
<source><![CDATA[Cancer Treat Res]]></source>
<year>2016</year>
<volume>168</volume>
<page-range>121-63</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rizvi]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Gores]]></surname>
<given-names><![CDATA[GJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Current diagnostic and management options in perihilar cholangiocarcinoma]]></article-title>
<source><![CDATA[Digestion]]></source>
<year>2014</year>
<volume>89</volume>
<page-range>216-24</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[IS]]></given-names>
</name>
<name>
<surname><![CDATA[Kilcoyne]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Everett]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Mino-Kenudson]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Harisinghani]]></surname>
<given-names><![CDATA[MG]]></given-names>
</name>
<name>
<surname><![CDATA[Ganesan]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cholangiocarcinoma: classification, diagnosis, staging, imaging features, and management]]></article-title>
<source><![CDATA[Abdom Radiol (NY)]]></source>
<year>2017</year>
<volume>42</volume>
<page-range>1637-49</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Esnaola]]></surname>
<given-names><![CDATA[NF]]></given-names>
</name>
<name>
<surname><![CDATA[Meyer]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Karachristos]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Maranki]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Camp]]></surname>
<given-names><![CDATA[ER]]></given-names>
</name>
<name>
<surname><![CDATA[Denlinger]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation and management of intrahepatic and extrahepatic cholangiocarcinoma]]></article-title>
<source><![CDATA[Cancer]]></source>
<year>2016</year>
<volume>122</volume>
<page-range>1349-69</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Feng]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[XH]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[BQ]]></given-names>
</name>
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Qu]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Progress in diagnosis and surgical treatment of perihilar cholangiocarcinoma]]></article-title>
<source><![CDATA[Gastroenterol Hepatol]]></source>
<year>2019</year>
<volume>42</volume>
<page-range>271-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
