<?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>S1665-11462025000100010</article-id>
<article-id pub-id-type="doi">10.24875/bmhim.24000078</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Hydrocele of the canal of Nuck: a case report of an unusual disease]]></article-title>
<article-title xml:lang="es"><![CDATA[Hidrocele del canal de Nuck: informe de caso de una enfermedad poco común]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suda-Rodrigues]]></surname>
<given-names><![CDATA[Bruna]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ponte]]></surname>
<given-names><![CDATA[Ma. Beatriz Ferraz-Cabral da]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[Márcio L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[Élcio R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Irmandade da Santa Casa de Misericórdia de Santos Department of Ultrasonography ]]></institution>
<addr-line><![CDATA[São Paulo (SP) ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Metropolitana de Santos Department of Internal Medicine ]]></institution>
<addr-line><![CDATA[São Paulo ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Diagnósticos da América S.A Department of Radiology Department of Radiology, Universidade de Ribeirão Preto - Campus Guarujá, Guarujá (SP)]]></institution>
<addr-line><![CDATA[São Paulo ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2025</year>
</pub-date>
<volume>82</volume>
<numero>1</numero>
<fpage>63</fpage>
<lpage>66</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-11462025000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-11462025000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-11462025000100010&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Hydrocele of the canal of Nuck is a rare pathology with a prevalence of approximately 1% in females aged 0-16 years. Its prevalence in adults remains unknown. The condition develops due to persistent patency or failed obliteration of the canal of Nuck. Several factors may contribute to its development, including lymphatic disorders, trauma, infection, inflammation, or idiopathic causes. Clinically, it presents as edema in the groin or genital region without additional symptoms. Ultrasonography is the preferred diagnostic modality for hydrocele of the canal of Nuck.  Case report: We present the case of a 20-month-old female patient who presented with pain and a "lump" in the right inguinal region for 3 days. The patient was diagnosed with type 1 hydrocele of the canal of Nuck through ultrasonography, which was subsequently confirmed during surgery. The patient was discharged on the same day as the procedure and remains asymptomatic.  Conclusions: Although rare, hydrocele of the canal of Nuck should be considered in the differential diagnosis of groin or genital region edema presenting without additional symptoms. Its diagnosis can be challenging due to several common differential diagnoses, including indirect inguinal hernia, tumors, cysts, abscesses, and lymphadenopathies, which occur more frequently. Therefore, ultrasonography plays a crucial role in evaluating these differential diagnoses and confirming the hydrocele of the canal of Nuck.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: El hidrocele del canal de Nuck es una patología rara con una prevalencia aproximada del 1% en mujeres de 0 a 16 años. Su prevalencia en adultos aún se desconoce. La afección se desarrolla debido a una permeabilidad persistente o a una obliteración fallida del canal de Nuck. Varios factores pueden contribuir a su desarrollo, como trastornos linfáticos, traumatismos, infecciones, inflamaciones o causas idiopáticas. Clínicamente, se presenta como un edema en la ingle o en la región genital sin síntomas adicionales. La ecografía es la modalidad diagnóstica preferida para el hidrocele del canal de Nuck.  Caso clínico: Presentamos el caso de una paciente de 20 meses de edad que presentó dolor y un "bulto" en la región inguinal derecha durante tres días. Se le diagnosticó hidrocele del canal de Nuck de tipo 1 mediante ecografía, que se confirmó posteriormente durante la intervención quirúrgica. El paciente fue dado de alta el mismo día de la intervención y permanece asintomático.  Conclusiones: Aunque poco frecuente, el hidrocele del canal de Nuck debe considerarse en el diagnóstico diferencial del edema inguinal o de la región genital que se presenta sin síntomas adicionales. Su diagnóstico puede ser difícil debido a varios diagnósticos diferenciales comunes, incluida la hernia inguinal indirecta, tumores, quistes, abscesos y linfadenopatías, que se presentan con mayor frecuencia. Por lo tanto, la ecografía desempeña un papel crucial en la evaluación de estos diagnósticos diferenciales y la confirmación del hidrocele del canal de Nuck.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Ultrasonography]]></kwd>
<kwd lng="en"><![CDATA[Hydrocele of the canal of Nuck]]></kwd>
<kwd lng="en"><![CDATA[Diagnosis]]></kwd>
<kwd lng="en"><![CDATA[Case report]]></kwd>
<kwd lng="es"><![CDATA[Ultrasonografía]]></kwd>
<kwd lng="es"><![CDATA[Hidrocele del canal de Nuck]]></kwd>
<kwd lng="es"><![CDATA[Diagnóstico]]></kwd>
<kwd lng="es"><![CDATA[Reporte de caso]]></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[Kohlhauser]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Pirsch]]></surname>
<given-names><![CDATA[JV]]></given-names>
</name>
<name>
<surname><![CDATA[Maier]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Viertler]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Fegerl]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The cyst of the canal of nuck:anatomy, diagnostic and treatment of a very rare diagnosis-a case report of an adult woman and narrative review of the literature]]></article-title>
<source><![CDATA[Medicine (Kaunas)]]></source>
<year>2022</year>
<volume>58</volume>
<page-range>1353</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[Saguintaah]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Eulliot]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Bertrand]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Prodhomme]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Béchard]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Bolivar-Perrin]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Canal of nuck abnormalities in pediatric female patients]]></article-title>
<source><![CDATA[Radiographics]]></source>
<year>2022</year>
<volume>42</volume>
<page-range>541-58</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Keeratibharat]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Chansangrat]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hydrocele of the canal of nuck:a review]]></article-title>
<source><![CDATA[Cureus]]></source>
<year>2022</year>
<volume>14</volume>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Luo]]></surname>
<given-names><![CDATA[CC]]></given-names>
</name>
<name>
<surname><![CDATA[Chao]]></surname>
<given-names><![CDATA[HC]]></given-names>
</name>
<name>
<surname><![CDATA[Chu]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[YJ]]></given-names>
</name>
<name>
<surname><![CDATA[Yen]]></surname>
<given-names><![CDATA[JB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The presentation of asymptomatic palpable movable mass in female inguinal hernia]]></article-title>
<source><![CDATA[Eur J Pediatr]]></source>
<year>2003</year>
<volume>162</volume>
<page-range>493-5</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[Rees]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Squires]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Tadros]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Squires]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Canal of nuck hernia:a multimodality imaging review]]></article-title>
<source><![CDATA[Pediatr Radiol]]></source>
<year>2017</year>
<volume>47</volume>
<page-range>893-8</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[Papparella]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Vaccaro]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Accardo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[DE Rosa]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Ronchi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Noviello]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nuck cyst:A rare cause of inguinal swelling in infancy]]></article-title>
<source><![CDATA[Minerva Pediatr]]></source>
<year>2021</year>
<volume>73</volume>
<page-range>180-3</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[Akkoyun]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Kucukosmanoglu]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Yalinkilinc]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cyst of the canal of Nuck in pediatric patients]]></article-title>
<source><![CDATA[N. Am. J. Med. Sci]]></source>
<year>2013</year>
<volume>5</volume>
<page-range>353-6</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
