<?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>2444-054X</journal-id>
<journal-title><![CDATA[Cirugía y cirujanos]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. cir.]]></abbrev-journal-title>
<issn>2444-054X</issn>
<publisher>
<publisher-name><![CDATA[Academia Mexicana de Cirugía A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-054X2022000100041</article-id>
<article-id pub-id-type="doi">10.24875/ciru.21000136</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Predictive factors of invasion in ductal carcinoma in situ diagnosed by core-needle biopsy]]></article-title>
<article-title xml:lang="es"><![CDATA[Factores predictivos de invasión en carcinoma ductal in situ diagnosticado por biopsia con aguja de corte]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villegas-Carlos]]></surname>
<given-names><![CDATA[Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Andino-Araque]]></surname>
<given-names><![CDATA[Verónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valverde-Quintana]]></surname>
<given-names><![CDATA[Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Larios-Cruz]]></surname>
<given-names><![CDATA[Kictzia Y.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-González]]></surname>
<given-names><![CDATA[Yosef]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solano-Pérez]]></surname>
<given-names><![CDATA[Juan J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruvalcaba-Limón]]></surname>
<given-names><![CDATA[Eva]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Fundación del Cáncer de Mama A.C. Department of Breast Surgical Oncology ]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Médico Hospital Axxis Department of Mastology ]]></institution>
<addr-line><![CDATA[Quito ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Fundación del Cáncer de Mama A.C. Department of Pathology ]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Fundación del Cáncer de Mama A.C. Department of Radiology and Imaging ]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<volume>90</volume>
<numero>1</numero>
<fpage>41</fpage>
<lpage>49</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2022000100041&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2022000100041&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2022000100041&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To identify clinical, radiological, and histopathological characteristics that could be predictive factors of microinvasive/invasive breast carcinoma in patients with diagnosis of ductal carcinoma in situ (DCIS) by core-needle biopsy.  Material and methods: This is a retrospective study conducted from 2006-2017, which included women &#8805;18 years of age with initial DCIS, and who were treated with surgery. Final diagnosis was divided in DCIS and microinvasive/invasive carcinoma.  Results: 334 patients were included: 193 (57.8%) with DCIS and 141 (42.2%) with microinvasive/invasive carcinoma (microinvasive 5.1%, invasive 37.1%). Lymph node metastasis occurred in 16.3%. Differences between DCIS and microinvasive/invasive groups included the presence of palpable nodule (36.7% vs. 63.2%), radiological nodule (29% vs. 51%), bigger radiological-tumor size (1.2 cm vs. 1.7 cm), and larger microcalcification extension (2.5 cm vs. 3.1 cm), all of these variables p &#8804;0.05. Hormonal receptors and HER2 expression were similar. After logistic regression analysis, predictive factor of invasion was the presence of palpable nodule (OR = 4.072, 95%CI = 2.520&#8211;6.582, p &lt;0.001) and radiological multicentric disease (OR = 1.677, 95%CI = 1.036&#8211;2.716, p = 0.035).  Conclusions: In patients with DCIS, palpable nodule, and radiological multicentric disease, upgrade to microinvasive/invasive is high, and sentinel lymph node is recommended.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Identificar características clínicas, radiológicas e histopatológicas como factores predictivos de carcinoma mamario microinvasor/invasor en pacientes con Carcinoma Ductal In Situ (CDIS) diagnosticado mediante aguja de corte.  Material y métodos: Estudio retrospectivo de 2006&#8211;2017, en mujeres &#8805;18 años con CDIS diagnosticado con aguja de corte y tratadas con cirugía. Los diagnósticos finales fueron CDIS y carcinoma microinvasor/invasor.  Resultados: Se incluyeron 334 pacientes, 193 (57.8%) con CDIS y 141 (42.2%) con carcinoma microinvasor/invasor (microinvasor 5.1%, invasor 37.1%). Hubo 16.3% casos con afección ganglionar. Las diferencias entre el grupo de CDIS y carcinoma microinvasor/invasor fue la presencia de tumor palpable (36.7% vs. 63.2%), nódulo visto por imagen (29% vs. 51%), tumores más grandes (1.2 cm vs. 1.7 cm), y mayor extensión de microcalcificaciones (2.5 cm vs. 3.1 cm), estas variables con p &#8804;0.05. Los receptores hormonales y HER2 fueron similares. En el análisis de regresión logística, los factores predictivos de invasión fueron tumor palpable (OR = 4.072, IC95% = 2.520&#8211;6.582, p &lt;0.001) y multicentricidad radiológica (OR = 1.677, IC95% = 1.036&#8211;2.716, p = 0.035).  Conclusiones: En CDIS, tumor palpable y enfermedad multicéntrica radiológica, el escalamiento a carcinoma microinvasor/invasor es alto y es recomendable realizar ganglio centinela.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Ductal carcinoma in situ]]></kwd>
<kwd lng="en"><![CDATA[Predictive factors]]></kwd>
<kwd lng="en"><![CDATA[Microinvasive carcinoma]]></kwd>
<kwd lng="es"><![CDATA[Carcinoma ductal in situ]]></kwd>
<kwd lng="es"><![CDATA[Factores predictivos]]></kwd>
<kwd lng="es"><![CDATA[Carcinoma microinvasor]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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