<?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>2007-4085</journal-id>
<journal-title><![CDATA[Revista mexicana de urología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. urol.]]></abbrev-journal-title>
<issn>2007-4085</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Urología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-40852023000500006</article-id>
<article-id pub-id-type="doi">10.48193/revistamexicanadeurologa.v83i5.1052</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Eosinophilic cystitis in pediatric age. Case review]]></article-title>
<article-title xml:lang="es"><![CDATA[Cistitis eosinofílica en la edad pediátrica. Revisión de caso]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arboleda-Bustán]]></surname>
<given-names><![CDATA[Jenny Elizabeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes-Jurado]]></surname>
<given-names><![CDATA[Pamela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vicuña-Pozo]]></surname>
<given-names><![CDATA[María Fernanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Andrade]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Toro-Arias]]></surname>
<given-names><![CDATA[Marcelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Metropolitano  ]]></institution>
<addr-line><![CDATA[Quito ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Pediátrico Baca Ortiz  ]]></institution>
<addr-line><![CDATA[Quito ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2023</year>
</pub-date>
<volume>83</volume>
<numero>5</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852023000500006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852023000500006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852023000500006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Eosinophilic cystitis (EC) is a rare disease that is characterized by inflammation of the bladder wall and whose etiology is still not well known. Less than 30 cases have been reported in the pediatric age. The symptoms, laboratory tests, and imaging studies are usually nonspecific, so the definitive diagnosis is by histopathology. Treatment, in most cases, is conservative (antihistamines, anti-inflammatories). We present two cases of patients diagnosed with eosinophilic cystitis which appeared to be a bladder tumor in the initial evaluation. The diagnosis was confirmed by histopathological study after taking a sample of the tissue during cystoscopy. Both patients maintained conservative treatment remitting all their symptoms. Two years later patients remain asymptomatic. As there are few reports in literature these clinical cases are presented to share our experience regarding clinical manifestations, diagnosis, and management of eosinophilic cystitis.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La cistitis eosinofílica (CE) es una enfermedad rara que se caracteriza por la inflamación de la pared de la vejiga y cuya etiología aún no se conoce bien. Se han notificado menos de 30 casos en la edad pediátrica. Los síntomas, pruebas de laboratorio y estudios de imagen suelen ser inespecíficos, por lo que el diagnóstico definitivo es por histopatología. El tratamiento, en la mayoría de los casos, es conservador (antihistamínicos, antiinflamatorios). Presentamos dos casos de pacientes diagnosticados de cistitis eosinofílica que en la evaluación inicial parecieron un tumor vesical. El diagnóstico se confirmó mediante estudio histopatológico tras la toma de muestra del tejido durante la cistoscopia. Ambos pacientes mantuvieron tratamiento conservador remitiendo todos sus síntomas. Dos años después los pacientes permanecen asintomáticos. Debido a que existen pocos reportes en la literatura, se presentan estos casos clínicos para compartir nuestra experiencia con respecto a las manifestaciones clínicas, el diagnóstico y el manejo de la cistitis eosinofílica.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Eosinophilic cystitis]]></kwd>
<kwd lng="en"><![CDATA[pediatric]]></kwd>
<kwd lng="en"><![CDATA[inflammation]]></kwd>
<kwd lng="en"><![CDATA[bladder]]></kwd>
<kwd lng="es"><![CDATA[Cistitis eosinofílica]]></kwd>
<kwd lng="es"><![CDATA[pediátrico]]></kwd>
<kwd lng="es"><![CDATA[inflamación]]></kwd>
<kwd lng="es"><![CDATA[vejiga]]></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[Abilov]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Özcan]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Polat]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Dervi&#351;o&#287;lu]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Emir]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rare cause of dysuria: Eosinophilic cystitis]]></article-title>
<source><![CDATA[Journal of Pediatric Urology]]></source>
<year>2013</year>
<volume>9</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>e6-8</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[Pomeranz]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Eliakim]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Uziel]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Gottesman]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Rathaus]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Zehavi]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Eosinophilic cystitis in a 4-year-old boy: successful long-term treatment with cyclosporin A]]></article-title>
<source><![CDATA[Pediatrics]]></source>
<year>2001</year>
<volume>108</volume>
<numero>6</numero>
<issue>6</issue>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yamada]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Taguchi]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical study of interstitial cystitis. I-(I). The clinical and pathological observations of the contracted bladder caused by interstitial cystitis and tuberculosis]]></article-title>
<source><![CDATA[Nihon Hinyokika Gakkai Zasshi]]></source>
<year>1984</year>
<volume>75</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>638-45</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[Thompson]]></surname>
<given-names><![CDATA[RH]]></given-names>
</name>
<name>
<surname><![CDATA[Dicks]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Kramer]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical manifestations and functional outcomes in children with eosinophilic cystitis]]></article-title>
<source><![CDATA[Journal of Urology]]></source>
<year>2005</year>
<volume>174</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>2347-9</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[Schmitz-Dräger]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
<name>
<surname><![CDATA[Skutetzki]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Rieker]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Schwab]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<name>
<surname><![CDATA[Stöhr]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Bismarck]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Eosinophilic cystitis mimicking bladder cancer-considerations on the management based upon a case report and a review of the literature]]></article-title>
<source><![CDATA[Virchows Arch]]></source>
<year>2021</year>
<volume>479</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>523-7</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[Zhou]]></surname>
<given-names><![CDATA[AG]]></given-names>
</name>
<name>
<surname><![CDATA[Amin]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Yates]]></surname>
<given-names><![CDATA[JK]]></given-names>
</name>
<name>
<surname><![CDATA[Diamond]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Tyminski]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Badway]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mass Forming Eosinophilic Cystitis in Pediatric Patients]]></article-title>
<source><![CDATA[Urology]]></source>
<year>2017</year>
<volume>101</volume>
<page-range>139-41</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[He]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Ning]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Tu]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Eosinophilic cystitis in children: A case report]]></article-title>
<source><![CDATA[Exp Ther Med]]></source>
<year>2018</year>
<volume>16</volume>
<numero>4</numero>
<issue>4</issue>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zaman]]></surname>
<given-names><![CDATA[SR]]></given-names>
</name>
<name>
<surname><![CDATA[Vermeulen]]></surname>
<given-names><![CDATA[TL]]></given-names>
</name>
<name>
<surname><![CDATA[Parry]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Eosinophilic cystitis: treatment with intravesical steroids and oral antihistamines]]></article-title>
<source><![CDATA[Case Reports]]></source>
<year>2013</year>
<volume>2013</volume>
<page-range>bcr2013009327</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[Luo]]></surname>
<given-names><![CDATA[Y-B]]></given-names>
</name>
<name>
<surname><![CDATA[Gao]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[W-Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasound-guided co-axial introducer needle biopsy in the diagnosis of eosinophilic cystitis in children]]></article-title>
<source><![CDATA[Chinese Medical Journal]]></source>
<year>2021</year>
<volume>134</volume>
<numero>15</numero>
<issue>15</issue>
<page-range>1872-3</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[Runge]]></surname>
<given-names><![CDATA[SB]]></given-names>
</name>
<name>
<surname><![CDATA[Høyer]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Winding]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Macroscopic Hematuria and a Bladder Mass: Eosinophilic Cystitis in a 7-Year-Old Boy]]></article-title>
<source><![CDATA[Case Reports in Radiology]]></source>
<year>2016</year>
<volume>2016</volume>
<page-range>1-4</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[Sparks]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Kaplan]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[DeCambre]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kaplan]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Holmes]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Eosinophilic cystitis in the pediatric population: A case series and review of the literature]]></article-title>
<source><![CDATA[Journal of Pediatric Urology]]></source>
<year>2013</year>
<volume>9</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>738-44</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
