<?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>S2341-45452023000100049</article-id>
<article-id pub-id-type="doi">10.1159/000521465</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Comparison between Two Types of 22-Gauge Fine-Needle Biopsy for Solid Pancreatic Tumors]]></article-title>
<article-title xml:lang="pt"><![CDATA[Biópsia por agulha fina com 22-gauge: estudo comparativo em lesões sólidas pancreáticas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jaurrieta-Rico]]></surname>
<given-names><![CDATA[Cesar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Picazo-Ferrera]]></surname>
<given-names><![CDATA[Katia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Solis]]></surname>
<given-names><![CDATA[Raul]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escobedo-Paredes]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bandala-Jaques]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chavez-Gomez]]></surname>
<given-names><![CDATA[Viridiana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernandez-Guerrero]]></surname>
<given-names><![CDATA[Angelica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonso-Larraga]]></surname>
<given-names><![CDATA[Juan Octavio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional Cancerologia Endoscopy Department ]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Cancerologia Department of Biomedical Cancer Research ]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional Cancerologia Pathology Department ]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2023</year>
</pub-date>
<volume>30</volume>
<numero>1</numero>
<fpage>49</fpage>
<lpage>56</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2341-45452023000100049&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2341-45452023000100049&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2341-45452023000100049&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  Tissue sampling using endoscopic ultrasound-guided fine-needle aspiration is the gold standard for diagnosing malignant pancreatic tumors; however, its sensitivity and specificity are highly variable. Thus, fine-needle biopsy using cutting needles has been developed to overcome current limitations and improve diagnostic yield. Our study compared two fine-needle biopsy needles for tissue sampling for pancreatic solid lesions.  Materials and Methods:  Samples obtained from patients with pancreatic solid lesions using the 22-gauge fine-needle biopsy needles (Franseen needle or reverse bevel needle) were retrospectively analyzed. The primary outcomes were diagnostic yield and sample adequacy. The secondary outcome was diagnostic performance. The analysis was performed using 2 × 2 tables to calculate sensitivity, specificity, positive predictive value, negative predictive value, and diagnostic accuracy for each needle type. Proportions were compared using the Z test. For quantitative variables, a comparative analysis was performed using Student&#8217;s t test. Qualitative and unpaired out-come variables were described using Fisher&#8217;s exact test.  Results:  Sixty-three patients with pancreatic lesions were included in the analysis. The fine-needle biopsy Franseen and reverse bevel groups included 33 and 30 patients, respectively. An adequate sample was obtained in 97% of patients in the Franseen needle group versus 80% in the reverse bevel needle group; the diagnostic yields in these groups were 93.9 and 66.7%, respectively. Neither differences between needle passes nor complications were noted. The sensitivity and specificity were 93.5 and 100%, respectively, in the fine-needle biopsy Franseen group, versus 71 and 100%, respectively, in the reverse bevel needle group.  Conclusions:  The Franseen needle was more effective for sampling pancreatic tumors than the reverse bevel needle.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução:  A aquisição de tecido através de punção com agulha fina guiada por ecoendoscopia é o padrão para o diagnóstico de neoplasias pancreáticas malignas; contudo, a sua sensibilidade e especificidade é altamente variável. A biópsia por agulha fina (FNB) usando agulhas cortantes foi desenvolvida para ultrapassar as limitações atuais. Este estudo comparou duas agulhas de FNB na aquisição de tecido de lesões pancreáticas sólidas.  Métodos:  Amostras obtidas de doentes com lesões pancreáticas sólidas utilizando agulha de FND de 22 gauge (Franseen ou reverse bevel) foram avaliadas retrospetivamente. Os outcomes primárias foram a rentabilidade diagnóstica e a adequabilidade das amostras. O outcome secundário foi a performance diagnóstica. A análise estatística foi realizada através de tabelas de contingência 2 × 2 para cálculo da sensibilidade, especificidade, valor preditivo positivo e negativo e acuidade para cada tipo de agulha. As proporções foram calculadas utilizando o teste-Z. Para variáveis quantitativas foi realizada análise comparativa com teste t-Student. Variáveis qualitativas e não pareadas foram comparadas com teste exato de Fisher.  Resultados:  Foram incluídos 63 doentes com lesões pancreáticas (33 no grupo FNB Franseen e 30 no grupo reverse bevel). Foram obtidas amostras adequadas em 97% do grupo Franseen vs 80% no grupo reverse bevel, sendo a rentabilidade diagnóstica de 93.9 e 66.7%, respetivamente. Não houve diferenças no número de passagens nem nas complicações. A sensibilidade e especificidade foram, respetivamente, de 93.5 e 100% no grupo Franseen versus 71 e 100% no grupo reverse bevel.  Conclusões:  A agulha Franseen foi mais efetiva na aquisição de amostras de lesões pancreáticas do que a agulha reverse bevel.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[biopsy]]></kwd>
<kwd lng="en"><![CDATA[fine-needle]]></kwd>
<kwd lng="en"><![CDATA[Pancreatic neoplasms]]></kwd>
<kwd lng="en"><![CDATA[Endosonography]]></kwd>
<kwd lng="pt"><![CDATA[Biopsia]]></kwd>
<kwd lng="pt"><![CDATA[agulha-fina]]></kwd>
<kwd lng="pt"><![CDATA[Neoplasia pancreática]]></kwd>
<kwd lng="pt"><![CDATA[Ecoendoscopia]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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