<?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>1870-199X</journal-id>
<journal-title><![CDATA[Revista odontológica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Odont. Mex]]></abbrev-journal-title>
<issn>1870-199X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Odontología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-199X2020000100066</article-id>
<article-id pub-id-type="doi">10.22201/fo.1870199xp.2020.24.1.77554</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Linfangiectasia adquirida de labio inferior. Reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Acquired lymphangiectasia of lower lip. A clinical case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores Flores]]></surname>
<given-names><![CDATA[Diana Antonieta]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rumayor Piña]]></surname>
<given-names><![CDATA[Alicia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vértiz Félix]]></surname>
<given-names><![CDATA[Karla]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galindo Rocha]]></surname>
<given-names><![CDATA[Minerva]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Esparza Díaz]]></surname>
<given-names><![CDATA[Sandra Cecilia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Iñigo Berumen]]></surname>
<given-names><![CDATA[Arlenne]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Coahuila Facultad de Odontología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>24</volume>
<numero>1</numero>
<fpage>66</fpage>
<lpage>71</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-199X2020000100066&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-199X2020000100066&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-199X2020000100066&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción: La patología más conocida de los vasos linfáticos es el linfangioma, considerado una malformación del desarrollo, y no una verdadera neoplasia. Los linfangiomas de cavidad oral muestran predilección por niños, la mitad de los casos afecta a la lengua en forma de agregados de vesículas translúcidas. Sin embargo, lesiones solitarias, circunscritas y superficiales pueden presentarse en boca. Se considera que éstas representan ectasia focal de vasos linfáticos (linfangiectasia), la cual puede ser secundaria a obstrucción o trauma.  Objetivo: El objetivo de este trabajo es presentar el caso de una linfangiectasia superficial adquirida en mucosa labial inferior y revisar los diagnósticos diferenciales considerados con la presentación clínica.  Presentación del caso: Paciente femenino de seis años que acude a consulta por presentar dos nódulos asintomáticos, translúcidos y fluctuantes en mucosa labial inferior. La hipótesis diagnóstica clínica inicial fue de mucocele. Bajo anestesia local se realizó biopsia excisional de ambas lesiones. El estudio histopatológico re- veló un espacio vascular subepitelial ectásico, revestido por endotelio, la inmunohistoquímica con D2-40 confirmó su naturaleza linfática. Después de ocho meses de seguimiento la paciente está bien y sin recurrencia.  Conclusiones: Este caso representa una linfangiectasia adquirida probablemente secundaria a trauma de los capilares linfáticos periféricos, causada por el mantenedor de espacio removible. Esta entidad es diferente a los linfangiomas profundos, difusos, que se consideran verdaderas malformaciones vasculares y que, generalmente, están presentes desde el nacimiento. En la mucosa oral la mayoría de las lesiones linfáticas son superficiales y representan probablemente linfangiectasias y no verdaderos linfangiomas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background: The best-known pathology of lymphatic vessels is lymphangioma, which is considered a developmental malformation rather than a true neoplasia. Oral lymphangiomas are more common in children with half of the cases affecting tongue as clusters of translucent vesicles. However, single, circumscribed, and superficial lesions may appear intraorally. They are considered as focal ectasia of lymph vessels, known as lymphangiectasia, and can be secondary to obstruction or trauma.  Objective: The goal of this report is to present a case of a lower lip superficial acquired lymphangiectasia and to compare the differential diagnoses on the basis of the clinical presentation.  Case presentation: A six-year-old girl presented with an asymptomatic lower lip lesion. On examination two translucent and fluctuant small nodules were observed in lower labial mucosa. The first clinical diagnostic hypothesis was mucocele. Under local anesthesia, an excisional biopsy of both lesions was performed. A histopathological study revealed a superficial ectatic vascular space, lined by endothelium. Immunohistochemistry with D2-40 confirmed its lymphatic nature. After eight months of follow-up, the patient is well and shows no recurrence. Conclusions: This clinical case is an example of an acquired lymphangiectasia probably secondary to trauma to peripheral lymphatic capillaries caused by the use of a mandibular removable space maintainer. This entity is different from the deep diffuse lymphangiomas which are true vascular malformations and are generally present since birth. In oral mucosa, most lymphatic lesions are superficially located and most commonly represent lymphangiectasias and not true lymphangiomas.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Linfangiectasia]]></kwd>
<kwd lng="es"><![CDATA[labio inferior]]></kwd>
<kwd lng="es"><![CDATA[mucocele]]></kwd>
<kwd lng="en"><![CDATA[Lymphangiectasia]]></kwd>
<kwd lng="en"><![CDATA[lower lip]]></kwd>
<kwd lng="en"><![CDATA[mucocele]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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