<?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>2307-0420</journal-id>
<journal-title><![CDATA[Cirugía paraguaya]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. parag.]]></abbrev-journal-title>
<issn>2307-0420</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Paraguaya de Cirugía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2307-04202023000100027</article-id>
<article-id pub-id-type="doi">10.18004/sopaci.2023.abril.27</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Carcinoma de paratiroides. Una enfermedad rara de difícil diagnostico. Reporte de un caso clínico]]></article-title>
<article-title xml:lang="en"><![CDATA[Parathyroid carcinoma. A rare disease with difficult diagnosis. Case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duque]]></surname>
<given-names><![CDATA[Carlos S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacio]]></surname>
<given-names><![CDATA[María F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martelo]]></surname>
<given-names><![CDATA[Alfredo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sierra]]></surname>
<given-names><![CDATA[Natalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Clínica Las Américas - AUNA Hospital Pablo Tobón Uribe ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Clínica Las Américas- AUNA Instituto de Cancerología ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Clínica Las Américas- AUNA  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad CES. Medellín  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<volume>47</volume>
<numero>1</numero>
<fpage>27</fpage>
<lpage>29</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2307-04202023000100027&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2307-04202023000100027&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2307-04202023000100027&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El carcinoma de paratiroides es un tumor raro. Ocasionalmente presenta actividad hormonal y sintomatología sugestiva de hipercalcemia severa. Al diagnóstico se llega estudiando la patología y los hallazgos intraoperatorios, siendo la cirugía su principal forma de tratamiento. Presentamos una paciente de 61 años con diagnóstico preoperatorio de nódulo tiroideo izquierdo de 4 cm, Bethesda IV (neoplasia folicular) derivado a cirugía diagnosticándose finalmente carcinoma de paratiroides. Se realizó manejo quirúrgico y adyuvancia con radioterapia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Parathyroid carcinoma is a rare tumor with occasional hormonal activity and symptoms of severe hypercalcemia. Diagnosis is achieved through pathology study and intraoperative findings. Surgery is often the treatment of choice. This is the case of a 61-year-old woman with a preoperative diagnosis of a 4 cm left thyroid nodule-follicular neoplasm (Bethesda category IV) treated with surgery, and with final diagnosis of parathyroid carcinoma. Surgical management and adjuvant therapy with radiotherapy were administered.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[carcinoma de paratiroides]]></kwd>
<kwd lng="es"><![CDATA[cirugía]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico]]></kwd>
<kwd lng="es"><![CDATA[tratamiento]]></kwd>
<kwd lng="en"><![CDATA[Parathyroid carcinoma]]></kwd>
<kwd lng="en"><![CDATA[surgery]]></kwd>
<kwd lng="en"><![CDATA[diagnosis]]></kwd>
<kwd lng="en"><![CDATA[treatment]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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