<?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>1684-1824</journal-id>
<journal-title><![CDATA[Revista Médica Electrónica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Med.Electrón.]]></abbrev-journal-title>
<issn>1684-1824</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de Matanzas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1684-18242023000100070</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[La esquistosomiasis como factor de riesgo del cáncer de vejiga. Hospital Central de Nampula, Mozambique]]></article-title>
<article-title xml:lang="en"><![CDATA[Schistosomiasis as a risk factor for bladder cáncer. Central Hospital of Nampula, Mozambique]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León-Ramos]]></surname>
<given-names><![CDATA[Osmany Lázaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arencibia-Diaz]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Reyes]]></surname>
<given-names><![CDATA[Alety Anett]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Martín]]></surname>
<given-names><![CDATA[Ronaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lorenzo-Valdés]]></surname>
<given-names><![CDATA[Huberto Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Junco-Piedra]]></surname>
<given-names><![CDATA[Nidieska]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Central de Nampula  ]]></institution>
<addr-line><![CDATA[ Nampula]]></addr-line>
<country>Mozambique</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Universitario Clínico Quirúrgico Comandante Faustino Pérez Hernández  ]]></institution>
<addr-line><![CDATA[ Matanzas]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Ciencias Médicas de Matanzas  ]]></institution>
<addr-line><![CDATA[ Matanzas]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2023</year>
</pub-date>
<volume>45</volume>
<numero>1</numero>
<fpage>70</fpage>
<lpage>82</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1684-18242023000100070&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1684-18242023000100070&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1684-18242023000100070&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  la esquistosomiasis es la infección por trematodos más importante a nivel global. El carcinoma de células escamosas constituye el 2 % de todos los tipos histológicos de cáncer vesical; sin embargo, la incidencia de esta variedad en países endémicos de esquistosomiasis es mayor.  Objetivo:  evaluar la relación entre la esquistosomiasis y el cáncer de vejiga en pacientes del Hospital Central de Nampula.  Materiales y métodos:  se realizó un estudio observacional, descriptivo y transversal en el período comprendido entre enero de 2014 y diciembre de 2020. Los pacientes se dividieron en grupos etarios, por intervalos de 10 años. Se tomaron muestras de biopsias de tumores de vejiga, clasificándose por tipo histológico, además de los hallazgos relacionados con infestación por esquistosomiasis y formas de presentación del cáncer de vejiga. El universo estuvo constituido por 184 pacientes, y la muestra se conformó por 135 casos.  Resultados:  se comprobó que el mayor número de pacientes con cáncer de vejiga es del sexo masculino; el tipo histológico más frecuente fue el carcinoma de células escamosas, representando un 84,3 % del total. La cistitis, la presencia de esquistosomas, y sus huevos estuvieron presentes en casi todas las biopsias realizadas. Sus formas de presentación más frecuente fueron la cistitis, la hematúrica y la dolorosa.  Conclusiones:  el cáncer de vejiga mostró una mayor incidencia en las edades comprendidas entre 30 y 69 años. El carcinoma de células escamosas fue el más frecuente, y su relación con la cistitis y la infección por esquistosomas estuvo presente en más del 90 % de las biopsias.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  schistosomiasis is the most important trematode infection globally. Squamous cell carcinoma constitutes 2% of all the histological types of bladder cancer; however, the incidence of this variety of cancer in squistosomiasis-endemic countries is higher.  Objective:  to evaluate the relationship between squistosomiasis and bladder cancer in patients from the Central Hospital of Nampula.  Materials and methods:  a cross-sectional descriptive observational study was carried in the period between January 2014 and December 2020. Patients were divided into age-groups, by 10-year intervals. Biopsy samples of bladder tumors were taken, classified by histological type, in addition to findings related to squistosomiasis infestations and bladder cancer presentation forms. The universe consisted of 184 patients and the sample of 135 cases.  Results:  it was found that the largest number of patients with bladder cancer is male; squamous cell carcinoma is the most frequent histological type, representing 84.3% of the total. Cystitis, schistosome and their eggs were present in almost all the biopsies performed. Its most frequent presentation forms were hematuric and painful cystitis.  Conclusions:  bladder cancer showed higher incidence at the ages between 30 and 69 years. The squamous cell carcinoma was the most frequent, and its relationship with cystitis and schistosome infection was present in more than 90% of biopsies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[cáncer de vejiga]]></kwd>
<kwd lng="es"><![CDATA[esquistosomiasis]]></kwd>
<kwd lng="es"><![CDATA[cistitis]]></kwd>
<kwd lng="es"><![CDATA[hematuria]]></kwd>
<kwd lng="en"><![CDATA[bladder cancer]]></kwd>
<kwd lng="en"><![CDATA[schistosomiasis]]></kwd>
<kwd lng="en"><![CDATA[cystitis]]></kwd>
<kwd lng="en"><![CDATA[hematuria]]></kwd>
</kwd-group>
</article-meta>
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