<?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>2341-4545</journal-id>
<journal-title><![CDATA[GE-Portuguese Journal of Gastroenterology]]></journal-title>
<abbrev-journal-title><![CDATA[GE Port J Gastroenterol]]></abbrev-journal-title>
<issn>2341-4545</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Gastrenterologia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2341-45452024000400064</article-id>
<article-id pub-id-type="doi">10.1159/000534300</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Schwannoma of Common Bile Duct: A Clinico-Radiologic Diagnostic Quagmire - A Case Report]]></article-title>
<article-title xml:lang="pt"><![CDATA[Schwanoma da via biliar biliar comum: Um diagnóstico clinico-patologico volúvel]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Thakur]]></surname>
<given-names><![CDATA[Shilpi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dash]]></surname>
<given-names><![CDATA[Nihar Ranjan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barwad]]></surname>
<given-names><![CDATA[Adarsh]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Das]]></surname>
<given-names><![CDATA[Prasenjit]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Madhusudhan]]></surname>
<given-names><![CDATA[Kumble S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yadav]]></surname>
<given-names><![CDATA[Rajni]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,All India Institute of Medical Sciences Department of Pathology ]]></institution>
<addr-line><![CDATA[New Delhi ]]></addr-line>
<country>India</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,All India Institute of Medical Sciences Gastrointestinal Surgery ]]></institution>
<addr-line><![CDATA[New Delhi ]]></addr-line>
<country>India</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,All India Institute of Medical Sciences Radiodiagnosis ]]></institution>
<addr-line><![CDATA[New Delhi ]]></addr-line>
<country>India</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2024</year>
</pub-date>
<volume>31</volume>
<numero>4</numero>
<fpage>64</fpage>
<lpage>71</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2341-45452024000400064&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2341-45452024000400064&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2341-45452024000400064&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  Schwannomas are benign nerve sheath tumors that are extremely rare in the biliary tract. A comprehensive review of literature enumerated ap-proximately 30 case reports of schwannoma in the biliary tract tree and porta hepatis region.  Case Presentation:  We report a case of a 40-year-old female who presented with abdominal pain. Imaging revealed a mass at the porta hepatis extending from the portal bifurcation till the hilum encasing the main portal vein and abutting the right portal vein. Differentials of carcinoma, lymphoma, and mesenchymal tumor were kept. Ultrasound-guided biopsy of the mass showed a benign nerve sheath tumor, immunopositive for S100. The histopathological evaluation of the excised mass con&#64257;rmed the origin of mass in the common bile duct.  Conclusions:  Our case highlights that schwannomas, though benign, can mimic a carcinoma or lymphoma if present at a rare site such as bile ducts. An exhaustive clinical and radiological workup with diligent histopathological evaluation is mandatory in dealing with such rare cases as radical surgery and chemotherapy can be avoided in such patients.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução:  Os schwannomas são tumores benignos da bainhas nervosas, que são extremamente raros ao nível das vias biliares. Uma revisão abrangente da literatura enumerou cerca de 30 casos de schwannomas com envolvimento da árvore biliar e da região da Porta Hepatis.  Apresentação do caso:  Relatamos um caso de uma doente de 40 anos que apresentava dor abdominal. A imagem revelou uma massa que se prolonga desde a bifurcação da veia porta até ao hilo hepático, com &#8220;encasement&#8221; da veia porta principal e &#8220;abutement&#8221; da veia porta direita. Foram considerados os diagnósticos diferenciais de carcinoma, linfoma e tumor mesenquimatoso. A biópsia guiada por ecogra&#64257;a da massa mostrou um tumor benigno da bainha nervosa, imunopositivo para o S100. A avaliação histopatológica da massa excisada con&#64257;rmou a sua origem na via biliar comum.  Conclusões:  O nosso caso realça que os schwannomas, embora benignos, podem imitar um carcinoma ou linfoma se estiverem presentes num local raro, como os canais biliares. Um trabalho clínico e radiológico exaustivo com uma avaliação histopatológica diligente é obrigatória para orientar com casos tão raros, em que a cirurgia radical e a quimioterapia podem ser evitadas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Schwannoma]]></kwd>
<kwd lng="en"><![CDATA[Benign nerve sheath tumor]]></kwd>
<kwd lng="en"><![CDATA[Common bile duct]]></kwd>
<kwd lng="en"><![CDATA[Porta hepatis]]></kwd>
<kwd lng="pt"><![CDATA[Schwannoman]]></kwd>
<kwd lng="pt"><![CDATA[Tumor benigno da bainha nervosa]]></kwd>
<kwd lng="pt"><![CDATA[CBD]]></kwd>
<kwd lng="pt"><![CDATA[Porta hepatis]]></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[Salvati]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Polli]]></surname>
<given-names><![CDATA[FM]]></given-names>
</name>
<name>
<surname><![CDATA[Caroli]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Frati]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Missori]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Delfini]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Radiation-induced schwannomas of the nervous system Report of five cases and review of the literature]]></article-title>
<source><![CDATA[J Neurosurg Sci]]></source>
<year>2003</year>
<volume>47</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>113-6</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[Sanei]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Kefayat]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Samadi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Goli]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Sanei]]></surname>
<given-names><![CDATA[MH]]></given-names>
</name>
<name>
<surname><![CDATA[Khodadustan]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gastric schwannoma a case report and review of the literature for gastric submucosal masses distinction]]></article-title>
<source><![CDATA[Case Rep Med]]></source>
<year>2018</year>
<volume>2018</volume>
<page-range>1230285</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[Oden]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Neurinoma of the common bile duct; report of a case]]></article-title>
<source><![CDATA[Acta Chir Scand]]></source>
<year>1955</year>
<volume>108</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>393-7</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[Whisnant Jr]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
<name>
<surname><![CDATA[Bennett]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Huffman]]></surname>
<given-names><![CDATA[SR]]></given-names>
</name>
<name>
<surname><![CDATA[Weiss]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Parker]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Griffen Jr]]></surname>
<given-names><![CDATA[WO]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Common bile duct obstruction by granular cell tumor (schwannoma)]]></article-title>
<source><![CDATA[Am J Dig Dis]]></source>
<year>1974</year>
<volume>19</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>471-6</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[Balart]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Hines Jr]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Mitchell]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Granular cell schwannoma of the extrahepatic biliary system]]></article-title>
<source><![CDATA[Am J Gastroenterol]]></source>
<year>1983</year>
<volume>78</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>297-300</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[Honjo]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Kobayashi]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Nakamura]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Takehira]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Kitagawa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ikematsu]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Extrahepatic biliary schwannoma]]></article-title>
<source><![CDATA[Dig Dis Sci]]></source>
<year>2003</year>
<volume>48</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>2221-6</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[Jakobs]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Albert]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Schilling]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Nuesse]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Riemann]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Schwannoma of the common bile duct a rare cause of obstructive jaundice]]></article-title>
<source><![CDATA[Endoscopy]]></source>
<year>2003</year>
<volume>35</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>695-7</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[Otani]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Shioiri]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Mishima]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Ishihara]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Maeshiro]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Matsuo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bile duct schwannoma developed in the remnant choledochal cyst-a case associated with total agenesis of the dorsal pancreas]]></article-title>
<source><![CDATA[Dig Liver Dis]]></source>
<year>2005</year>
<volume>37</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>705-8</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[Vyas]]></surname>
<given-names><![CDATA[FL]]></given-names>
</name>
<name>
<surname><![CDATA[Jesudason]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Samuel]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Govil]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Jesudason]]></surname>
<given-names><![CDATA[SRB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Schwannoma of bile duct-a case report]]></article-title>
<source><![CDATA[Trop Gastroenterol]]></source>
<year>2006</year>
<volume>27</volume>
<page-range>50-1</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[Park]]></surname>
<given-names><![CDATA[MK]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[KT]]></given-names>
</name>
<name>
<surname><![CDATA[Choi]]></surname>
<given-names><![CDATA[YS]]></given-names>
</name>
<name>
<surname><![CDATA[Shin]]></surname>
<given-names><![CDATA[DH]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[JY]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[JK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A case of benign schwannoma in the porta hepatis]]></article-title>
<source><![CDATA[Korean J Gastroenterol]]></source>
<year>2006</year>
<volume>47</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>164-7</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[Kamani]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Dorudinia]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Goravanchi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Rahimi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Extrahepatic bile duct neurilemmoma mimicking Klatskin tumor]]></article-title>
<source><![CDATA[Arch Iran Med]]></source>
<year>2007</year>
<volume>10</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>264-7</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[Fenoglio]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Severini]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Cena]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Migliore]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Bracco]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Pomero]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Common bile duct schwannoma a case report and review of literature]]></article-title>
<source><![CDATA[World J Gastroenterol]]></source>
<year>2007</year>
<volume>13</volume>
<page-range>1275-8</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[Jung]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Joo]]></surname>
<given-names><![CDATA[KR]]></given-names>
</name>
<name>
<surname><![CDATA[Chae]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Jang]]></surname>
<given-names><![CDATA[JY]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[SG]]></given-names>
</name>
<name>
<surname><![CDATA[Dong]]></surname>
<given-names><![CDATA[SH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Extrahepatic biliary schwannomas a case report]]></article-title>
<source><![CDATA[J Korean Med Sci]]></source>
<year>2007</year>
<volume>22</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>549-52</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[Madhusudhan]]></surname>
<given-names><![CDATA[KS]]></given-names>
</name>
<name>
<surname><![CDATA[Srivastava]]></surname>
<given-names><![CDATA[DN]]></given-names>
</name>
<name>
<surname><![CDATA[Dash]]></surname>
<given-names><![CDATA[NR]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[SD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Case report Schwannoma of both intrahepatic and extrahepatic bile ducts: a rare case]]></article-title>
<source><![CDATA[Br J Radiol]]></source>
<year>2009</year>
<volume>82</volume>
<numero>982</numero>
<issue>982</issue>
<page-range>e212-5</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[Kulkarni]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Andrews]]></surname>
<given-names><![CDATA[SJ]]></given-names>
</name>
<name>
<surname><![CDATA[Rao]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Rajagopal]]></surname>
<given-names><![CDATA[KV]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Case report benign porta hepatic schwannoma]]></article-title>
<source><![CDATA[Indian J Radiol Imaging]]></source>
<year>2009</year>
<volume>19</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>213-5</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[De Sena]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Molino]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[De Riitis]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Candela]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Cifarelli]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[MaioV]]></surname>
<given-names><![CDATA[Di]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Surgical management of schwannoma of biliary tract]]></article-title>
<source><![CDATA[Chir Ital]]></source>
<year>2009</year>
<volume>61</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>119-21</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[Parameshwarappa]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Kumar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Patil]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Valliathan]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Schwannoma of common bile duct causing obstructive jaundice]]></article-title>
<source><![CDATA[Indian J Surg]]></source>
<year>2010</year>
<volume>72</volume>
<numero>Suppl 1</numero>
<issue>Suppl 1</issue>
<page-range>333-5</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Panait]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Learn]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Dimaio]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Klimstra]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Do]]></surname>
<given-names><![CDATA[KG]]></given-names>
</name>
<name>
<surname><![CDATA[Schwarz]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Resection of perihilar biliary schwannoma]]></article-title>
<source><![CDATA[Surg Oncol]]></source>
<year>2011</year>
<volume>20</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>e157-9</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fonseca]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
<name>
<surname><![CDATA[Montagnini]]></surname>
<given-names><![CDATA[AL]]></given-names>
</name>
<name>
<surname><![CDATA[Rocha Md]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Patzina]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Bernardes]]></surname>
<given-names><![CDATA[MVAA]]></given-names>
</name>
<name>
<surname><![CDATA[Cecconello]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biliary tract schwannoma a rare cause of obstructive jaundice in a young patient]]></article-title>
<source><![CDATA[World J Gastroenterol]]></source>
<year>2012</year>
<volume>18</volume>
<numero>37</numero>
<issue>37</issue>
<page-range>5305-8</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marin Campos]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia Sanz]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Schwannoma of the biliary tract resembling cholangiocarcinoma a case report and review]]></article-title>
<collab>Munoz de Nova JL.Valdés de Anca A.Martín Pérez ME</collab>
<source><![CDATA[Ann R Coll Surg Engl]]></source>
<year>2016</year>
<volume>98</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>e143-6</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[SY]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Shen]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Xie]]></surname>
<given-names><![CDATA[HY]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Multiple schwannomas synchronously occurring in the porta hepatis, liver, and gallbladder first case report]]></article-title>
<source><![CDATA[Medicine]]></source>
<year>2016</year>
<volume>95</volume>
<numero>33</numero>
<issue>33</issue>
</nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kolhe]]></surname>
<given-names><![CDATA[KM]]></given-names>
</name>
<name>
<surname><![CDATA[Amarapurkar]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ingle]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Pandey]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Amonkar]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Khairnar]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Jack in the duct a case of common biliary duct schwannoma]]></article-title>
<source><![CDATA[ACG Case Rep J]]></source>
<year>2019</year>
<volume>6</volume>
<numero>10</numero>
<issue>10</issue>
</nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Takami]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Yamamoto]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Sakurai]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Kondo]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Shibata]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Katayose]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biliary schwannoma that required differentiation from bile duct cancer]]></article-title>
<source><![CDATA[Case Rep Gastroenterol]]></source>
<year>2021</year>
<volume>15</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>578-86</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ishimaru]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Fujikawa]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Kobayashi]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Successful preoperative diagnosis and minimally invasive surgery of bile duct schwannoma]]></article-title>
<source><![CDATA[Clin J Gastroenterol]]></source>
<year>2021</year>
<volume>14</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>336-40</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bilgin]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Shaikh]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Semelka]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Bilgin]]></surname>
<given-names><![CDATA[SS]]></given-names>
</name>
<name>
<surname><![CDATA[Balci]]></surname>
<given-names><![CDATA[NC]]></given-names>
</name>
<name>
<surname><![CDATA[Erdogan]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Magnetic resonance imaging of gallbladder and biliary system]]></article-title>
<source><![CDATA[Top Magn Reson Imaging]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rha]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Byun]]></surname>
<given-names><![CDATA[JY]]></given-names>
</name>
<name>
<surname><![CDATA[Jung]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Chun]]></surname>
<given-names><![CDATA[HJ]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Neurogenic tumors in the abdomen:vtumor types and imaging characteristics]]></article-title>
<source><![CDATA[Radiographics]]></source>
<year>2003</year>
<volume>23</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>29-43</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fine]]></surname>
<given-names><![CDATA[SW]]></given-names>
</name>
<name>
<surname><![CDATA[McClain]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Immunohistochemical staining for calretinin is useful for differentiating schwannomas from neurofibromas]]></article-title>
<source><![CDATA[Am J Clin Pathol]]></source>
<year>2004</year>
<volume>122</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>552-909</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Daimaru]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Kido]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Hashimoto]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Enjoji]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Benign schwannoma of the gastrointestinal tract a clinicopathologic and immunohistochemical study]]></article-title>
<source><![CDATA[Hum Pathol]]></source>
<year>1988</year>
<volume>19</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>257-64</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lasota]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Wasag]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Dansonka-Mieszkowska]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Karcz]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Millward]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
<name>
<surname><![CDATA[Rys]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of NF2 and NF1 tumor suppressor genes in distinctive gastrointestinal nerve sheath tumors traditionally diagnosed as benign schwannomas s study of 20 cases]]></article-title>
<source><![CDATA[Lab Invest]]></source>
<year>2003</year>
<volume>83</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1361-71</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yin]]></surname>
<given-names><![CDATA[SY]]></given-names>
</name>
<name>
<surname><![CDATA[Zhai]]></surname>
<given-names><![CDATA[ZL]]></given-names>
</name>
<name>
<surname><![CDATA[Ren]]></surname>
<given-names><![CDATA[KW]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[YC]]></given-names>
</name>
<name>
<surname><![CDATA[Wan]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[XY]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Porta hepatic schwannoma case report and a 30-year review of the literature yielding 15 cases]]></article-title>
<source><![CDATA[World J Surg Oncol]]></source>
<year>2016</year>
<volume>14</volume>
<page-range>103</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
