<?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>0465-546X</journal-id>
<journal-title><![CDATA[Medicina y Seguridad del Trabajo]]></journal-title>
<abbrev-journal-title><![CDATA[Med. segur. trab.]]></abbrev-journal-title>
<issn>0465-546X</issn>
<publisher>
<publisher-name><![CDATA[Escuela Nacional de Medicina del Trabajo. Instituto de Salud Carlos III]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0465-546X2021000200088</article-id>
<article-id pub-id-type="doi">10.4321/s0465-546x2021000200002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Lipoatrofia semicircular en trabajadores de oficinas públicas]]></article-title>
<article-title xml:lang="en"><![CDATA[Semicircular Lipoatrophy in Public Office Workers]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Borin-Bertuzzi]]></surname>
<given-names><![CDATA[Mario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonso-Iglesias]]></surname>
<given-names><![CDATA[Oscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Borin-Arámbulo]]></surname>
<given-names><![CDATA[Mario Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,MB-Prevent. Prevención de Riesgos Laborales  ]]></institution>
<addr-line><![CDATA[Manresa Barcelona]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,MB-Prevent. Prevención de Riesgos Laborales  ]]></institution>
<addr-line><![CDATA[Manresa Barcelona]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,SPRL  ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>67</volume>
<numero>263</numero>
<fpage>88</fpage>
<lpage>98</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0465-546X2021000200088&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0465-546X2021000200088&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0465-546X2021000200088&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  La lipoatrofia semicircular (LS) es un trastorno benigno del tejido subcutáneo, de causa no bien conocida, caracterizada por depresiones semicirculares en la cara anterolateral de los muslos y menos frecuentemente en abdomen o brazos.  Método: Estudio observacional, prospectivo, longitudinal, en 449 trabajadores de oficina, localizados en varios edificios de la ciudad de Castelldefels, Provincia de Barcelona, España, entre julio 2018 y abril 2021 a los que se les realizó identificación, mediciones, fotografía y controles periódicos de la LS. Los resultados fueron analizados mediante el programa Instat Graphpad y se aplicó la prueba de Fischer para determinar la significancia estadística.  Resultados:  Se diagnosticaron 74 casos de LS en un total de 449 trabajadores. Prevalencia: 16,48%. De los 74 casos identificados, 71 eran mujeres (95,9%). El promedio de edad fue 49,18 años (27-64). La mayoría de las lesiones se localizaron en los muslos en forma bilateral. Las lesiones de LS no desaparecieron en el 66,6% de los casos, mientras que en un 33,3% si lo hicieron. El teletrabajo y el índice de masa corporal no resultaron factores significativos en la desaparición de las lesiones.  Conclusiones:  La LS es una alteración infrecuente del tejido subcutáneo, en la que influyen una serie de factores que van desde el medio laboral, la susceptibilidad individual y el sexo femenino. La LS toma un tiempo muy variable para revertir, suele ser un proceso lento cuya duración se mide en años más que en meses. Ni el teletrabajo, ni el índice de masa corporal, tuvieron una relación estadísticamente significativa en la desaparición de las lesiones en esta serie.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Semicircular lipoatrophy (LS) is a benign disorder of the subcutaneous tissue, of unknown cause, characterized by semicircular depressions on the anterolateral aspect of the thighs and less frequently in the abdomen or arms.  Method:  Observational, prospective, longitudinal study, in 449 office workers, from the same public institution, located in various buildings in the city of Castelldefels, Province of Barcelona, Spain, between July 2018 and April 2021 at that identification, measurements, photography and periodic controls of the LS were carried out. The results were analyzed using the Instat Graphpad program and the Fischer test was applied to determine statistical significance.  Results:  74 cases of LS were diagnosed out of a total of 449 workers. Prevalence: 16.48%. Of the 74 cases identified, 71 were women (95.9%). The average age was 49.18 years (27-64). Most of the lesions were located on the thighs bilaterally. The LS lesions did not disappear in 66.6% of the cases, while in 33.3% they did. Teleworking and body mass index were not significant factors in the disappearance of the injuries.  Conclusions:  Semicircular lipoatrophy is an infrequent alteration of the subcutaneous tissue influenced by a series of factors ranging from work environment, individual susceptibility and female sex. LS lesions take a very variable time to reverse, it is usually a slow process whose duration is measured in years rather than months. Neither telework nor body mass index had a statistically significant relationship in the disappearance of injuries in this series.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Lipoatrofia semicircular]]></kwd>
<kwd lng="es"><![CDATA[salud laboral]]></kwd>
<kwd lng="es"><![CDATA[electroestática]]></kwd>
<kwd lng="es"><![CDATA[medidas preventivas]]></kwd>
<kwd lng="en"><![CDATA[Semicircular lipoatrophy]]></kwd>
<kwd lng="en"><![CDATA[occupational medicine]]></kwd>
<kwd lng="en"><![CDATA[electrostatic]]></kwd>
<kwd lng="en"><![CDATA[preventive measures]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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