<?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>1665-1146</journal-id>
<journal-title><![CDATA[Boletín médico del Hospital Infantil de México]]></journal-title>
<abbrev-journal-title><![CDATA[Bol. Med. Hosp. Infant. Mex.]]></abbrev-journal-title>
<issn>1665-1146</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Salud, Hospital Infantil de México Federico Gómez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-11462024000200073</article-id>
<article-id pub-id-type="doi">10.24875/bmhim.23000083</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores pronósticos del vitiligo en la edad pediátrica]]></article-title>
<article-title xml:lang="en"><![CDATA[Prognostic factors in childhood vitiligo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villegas-Calzada]]></surname>
<given-names><![CDATA[M. Fernanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acatitla-Acevedo]]></surname>
<given-names><![CDATA[Graciela A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Anda-Ortiz]]></surname>
<given-names><![CDATA[Nabil De]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Sánchez]]></surname>
<given-names><![CDATA[Martha A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Dermatológico Dr. Ladislao de la Pascua Unidad de Investigación ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2024</year>
</pub-date>
<volume>81</volume>
<numero>2</numero>
<fpage>73</fpage>
<lpage>78</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-11462024000200073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-11462024000200073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-11462024000200073&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: El vitiligo es una enfermedad multifactorial caracterizada por la pérdida de melanocitos. La prevalencia mundial oscila entre el 0.5% y el 2%, y en niños entre el 0% y el 2.16%. El objetivo de este estudio fue determinar las características clínicas asociadas a la progresión del vitiligo.  Métodos: En una cohorte retrospectiva se analizó una muestra aleatoria de expedientes de pacientes con vitiligo de 0-18 años de edad, de enero de 2016 a diciembre de 2020. Se estudiaron la edad de inicio, el sexo, los antecedentes heredofamiliares, el antecedente personal de enfermedades tiroideas, el tiempo de evolución, la clasificación, el fenómeno de Köebner, el vitiligo en mucosas, el halo nevo, el encanecimiento prematuro y la relación con otras dermatosis. El estado final se clasificó en progresión, estabilidad, remisión parcial y remisión completa.  Resultados: 574 niños con vitiligo; 290 (50.5%) mujeres y 284 (49.5%) varones. Vitiligo no segmentario en 324 (56.4%), vitiligo segmentario en 250 (43.6%). Edad promedio de aparición 8.7 años (DE: 4.54). Mediana de tiempo de evolución 6 meses (percentil 25 de 3 meses y percentil 75 de 24 meses). Se encontraron antecedentes familiares en 27 (4.70%). Enfermedad tiroidea en 7 (1.21%). En la evolución permanecieron estables 44 (7.7%), progresaron 68 (11.8%), remisión completa 32 (5.6%), remisión parcial 222 (38.7%) y una consulta 208 (36.2%). Se obtuvo p &lt; 0.028 en vitiligo no segmentario, p &lt; 0.000 en menor edad de aparición y p &lt; 0.009 en comorbilidad cutánea.  Conclusiones: Las variables que se asociaron a progresión fueron vitiligo no segmentario, edad temprana de inicio y no cursar con otras enfermedades cutáneas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Vitiligo is a multifactorial disease characterized by the progressive loss of melanocytes. The worldwide prevalence ranges from 0.5% to 2%, and in children from 0% to 2.16%. The objective of this study was to determine the variables associated with progression of vitiligo.  Methods: A retrospective cohort was carried out where a random sample of records of pediatric patients with vitiligo from January 2016 to December 2020 was analyzed. The variables were studied: age at onset, sex, hereditary family history, personal history of thyroid diseases, time of evolution, classification, Köebner phenomena, mucosal vitiligo, halo nevus, premature graying and the presence of other dermatoses. The final state was classified as progression, stability, partial remission and complete remission.  Results: 574 children with vitiligo; 290 (50.5%) women, 284 (49.5%) men. Non-segmental vitiligo in 324 (56.4%), segmental vitiligo in 250 (43.6%). Mean age of onset 8.7 years (SD: 4.54). Median evolution time 6 months (25th percentile of 3 months and 75th percentile of 24 months). Family history 27 (4.70%). Thyroid disease 7 (1.21%). Evolution remained stable in 44 (7.7%), 68 (11.8%) had progression, 32 (5.6%) complete remission, 222 (38.7%) partial remission and 208 (36.2%) one consultation. Non-segmental vitiligo was obtained p &lt; 0.028, younger age of onset p &lt; 0.000, and none skin comorbidities p &lt; 0.009.  Conclusions: The variables that were associated with a more progression were non-segmental vitiligo, early ages at the onset of the disease, and not presenting with other skin diseases.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Factores pronósticos]]></kwd>
<kwd lng="es"><![CDATA[Vitiligo]]></kwd>
<kwd lng="es"><![CDATA[Infancia]]></kwd>
<kwd lng="es"><![CDATA[Trastorno autoinmunitario]]></kwd>
<kwd lng="en"><![CDATA[Prognostic factors]]></kwd>
<kwd lng="en"><![CDATA[Vitiligo]]></kwd>
<kwd lng="en"><![CDATA[Childhood]]></kwd>
<kwd lng="en"><![CDATA[Autoimmune disorder]]></kwd>
</kwd-group>
</article-meta>
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