<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032019000400400</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cáncer de paratiroides]]></article-title>
<article-title xml:lang="en"><![CDATA[Parathyroid cancer]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saldívar Galindo]]></surname>
<given-names><![CDATA[Fernando M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arellano Aguilar]]></surname>
<given-names><![CDATA[Gregorio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguirre Trigueros]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montoya Cifuentes]]></surname>
<given-names><![CDATA[Elton Alexis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez Carrillo]]></surname>
<given-names><![CDATA[Luis Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Ángeles León División de Cirugía ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Ángeles León División de Medicina ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Ángeles León Departamento de Patología ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Ángeles León Servicio de Cirugía ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de Guanajuato Facultad de Medicina de León ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>17</volume>
<numero>4</numero>
<fpage>400</fpage>
<lpage>405</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032019000400400&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032019000400400&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032019000400400&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  El carcinoma de las glándulas paratiroides (CP) descrito por De Quervain en 1909 representa una de las neoplasias menos frecuentes; dado que el CP es funcionalmente activo, el comportamiento clínico inicial es similar a las neoplasias paratiroideas benignas.  Caso clínico:  Masculino de 49 años que acude a urgencias con náusea y vómito de una semana de evolución, a la exploración se encontró aumento de volumen del lóbulo izquierdo de glándula tiroides asociado a hipercalcemia de 19 mg/dL y paratohormona de 1,873 pg/mL, con gammagrama que mostró un tumor funcionante localizado a glándula paratiroides inferior izquierda; con ultrasonido y tomografía previos fue sometido a cirugía. El estudio histopatológico reportó cáncer de paratiroides, por lo que se reintervino, se efectuó cirugía radical de cuello y posteriormente radioterapia adyuvante.  Conclusiones:  El CP representa la neoplasia menos frecuente; en pacientes con niveles de paratohormona mayores de 1,000 pg/mL e hipercalcemia mayor de 14 mg/dL debe sospecharse dicha patología.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Parathyroid cancer glands (PC) described by De Quervain in 1909 represents one of less frequent neoplasm; since PC is functionally active, the initial clinical behavior is similar to benign parathyroid neoplasms.  Clinical case:  A 49-year-old male who went to the emergency with nausea and vomiting of one week of evolution. On examination there was a left lobe of the thyroid gland increase in the volume, associated with hypercalcemia of 19 mg/dL and parathyroid hormone of 1,873 pg/mL, with a gammagram showed a functioning tumor located to the left inferior parathyroid gland; with previous ultrasound and tomography, he underwent surgery. The histopathological study reported parathyroid cancer, a radical surgery was performed in a second time, and radiotherapy was prescribed.  Conclusions:  PC represents the less frequent neoplasm; in patients with parathyroid hormone levels greater than 1,000 pg/mL and hypercalcemia greater than 14 mg/dL, this condition should be suspected.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cáncer de paratiroides]]></kwd>
<kwd lng="es"><![CDATA[hipercalcemia]]></kwd>
<kwd lng="es"><![CDATA[paratohormona]]></kwd>
<kwd lng="en"><![CDATA[Parathyroid cancer]]></kwd>
<kwd lng="en"><![CDATA[hypercalcemia]]></kwd>
<kwd lng="en"><![CDATA[parathyroid hormone]]></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[De Quervain]]></surname>
<given-names><![CDATA[VF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Parastruma maligna aberrata]]></article-title>
<source><![CDATA[Deut Zschr Chir]]></source>
<year>1909</year>
<volume>100</volume>
<page-range>334-52</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[Armstrong]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Primary carcinoma of the parathyroid with report of a case]]></article-title>
<source><![CDATA[Bull Acad Med Tor]]></source>
<year>1938</year>
<volume>11</volume>
<page-range>105-10</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[Busaidy]]></surname>
<given-names><![CDATA[NL]]></given-names>
</name>
<name>
<surname><![CDATA[Jimenez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Habra]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Schultz]]></surname>
<given-names><![CDATA[PN]]></given-names>
</name>
<name>
<surname><![CDATA[El-Naggar]]></surname>
<given-names><![CDATA[AK]]></given-names>
</name>
<name>
<surname><![CDATA[Clayman]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Parathyroid carcinoma: a 22-year experience]]></article-title>
<source><![CDATA[Head Neck]]></source>
<year>2004</year>
<volume>26</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>716-26</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[Ruda]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Hollenbeak]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Stack]]></surname>
<given-names><![CDATA[BC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A systematic review of the diagnosis and treatment of primary hyperparathyroidism from 1995 to 2003]]></article-title>
<source><![CDATA[Otolaryngol Head Neck Surg]]></source>
<year>2005</year>
<volume>132</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>359-64</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[Ozolins]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Narbuts]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Vanags]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Simtniece]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Visnevska]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Akca]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of malignant parathyroid tumours in two European cohorts of patients with sporadic primary hyperparathyroidism]]></article-title>
<source><![CDATA[Langenbecks Arch Surg]]></source>
<year>2016</year>
<volume>401</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>943-8</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[Lee]]></surname>
<given-names><![CDATA[PK]]></given-names>
</name>
<name>
<surname><![CDATA[Jarosek]]></surname>
<given-names><![CDATA[SL]]></given-names>
</name>
<name>
<surname><![CDATA[Virnig]]></surname>
<given-names><![CDATA[BA]]></given-names>
</name>
<name>
<surname><![CDATA[Evasovich]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Tuttle]]></surname>
<given-names><![CDATA[TM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Trends in the incidence and treatment of parathyroid cancer in the United States]]></article-title>
<source><![CDATA[Cancer]]></source>
<year>2007</year>
<volume>109</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1736-41</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[James]]></surname>
<given-names><![CDATA[BC]]></given-names>
</name>
<name>
<surname><![CDATA[Aschebrook-Kilfoy]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Cipriani]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Kaplan]]></surname>
<given-names><![CDATA[EL]]></given-names>
</name>
<name>
<surname><![CDATA[Angelos]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Grogan]]></surname>
<given-names><![CDATA[RH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The incidence and survival of rare cancers of the thyroid, parathyroid, adrenal, and pancreas]]></article-title>
<source><![CDATA[Ann Surg Oncol]]></source>
<year>2016</year>
<volume>23</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>424-33</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rubin]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Silverberg]]></surname>
<given-names><![CDATA[SJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Editorial: HRPT2 in parathyroid cancer: a piece of the puzzle]]></article-title>
<source><![CDATA[J Clin Endocrinol Metab]]></source>
<year>2005</year>
<volume>90</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>5505-7</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[Owen]]></surname>
<given-names><![CDATA[RP]]></given-names>
</name>
<name>
<surname><![CDATA[Silver]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
<name>
<surname><![CDATA[Pellitteri]]></surname>
<given-names><![CDATA[PK]]></given-names>
</name>
<name>
<surname><![CDATA[Shaha]]></surname>
<given-names><![CDATA[AR]]></given-names>
</name>
<name>
<surname><![CDATA[Devaney]]></surname>
<given-names><![CDATA[KO]]></given-names>
</name>
<name>
<surname><![CDATA[Werner]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Parathyroid carcinoma: a review]]></article-title>
<source><![CDATA[Head Neck]]></source>
<year>2011</year>
<volume>33</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>429-36</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[Schantz]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Castleman]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Parathyroid carcinoma. A study of 70 cases]]></article-title>
<source><![CDATA[Cancer]]></source>
<year>1973</year>
<volume>31</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>600-5</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[Quinn]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
<name>
<surname><![CDATA[Healy]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Lebastchi]]></surname>
<given-names><![CDATA[AH]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[TC]]></given-names>
</name>
<name>
<surname><![CDATA[Stein]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Prasad]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Modern experience with aggressive parathyroid tumors in a high-volume New England referral center]]></article-title>
<source><![CDATA[J Am Coll Surg]]></source>
<year>2015</year>
<volume>220</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1054-62</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Landry]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[TS]]></given-names>
</name>
<name>
<surname><![CDATA[Asare]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Parathyroid]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Amin]]></surname>
<given-names><![CDATA[MB]]></given-names>
</name>
<name>
<surname><![CDATA[Edge]]></surname>
<given-names><![CDATA[SB]]></given-names>
</name>
<name>
<surname><![CDATA[Amin]]></surname>
<given-names><![CDATA[MB]]></given-names>
</name>
</person-group>
<collab>American Joint Committee on Cancer.; Springer Science + Business Media</collab>
<source><![CDATA[AJCC Cancer Staging Manual]]></source>
<year>2017</year>
<edition>8</edition>
<page-range>903</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hundahl]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<name>
<surname><![CDATA[Fleming]]></surname>
<given-names><![CDATA[ID]]></given-names>
</name>
<name>
<surname><![CDATA[Fremgen]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Menck]]></surname>
<given-names><![CDATA[HR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Two hundred eighty-six cases of parathyroid carcinoma treated in the U.S. Between 1985-1995: a National Cancer Data Base Report. The American College of Surgeons Commission on Cancer and the American Cancer Society]]></article-title>
<source><![CDATA[Cancer]]></source>
<year>1999</year>
<volume>86</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>538-44</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Clayman]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez]]></surname>
<given-names><![CDATA[HE]]></given-names>
</name>
<name>
<surname><![CDATA[El-Naggar]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Vassilopoulou]]></surname>
<given-names><![CDATA[SR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Parathyroid carcinoma: evaluation and interdisciplinary management]]></article-title>
<source><![CDATA[Cancer]]></source>
<year>2004</year>
<volume>100</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>900-5</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Munson]]></surname>
<given-names><![CDATA[ND]]></given-names>
</name>
<name>
<surname><![CDATA[Foote]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Northcutt]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Tiegs]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Fitzpatrick]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Grant]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Parathyroid carcinoma: is there a role for adjuvant radiation therapy?]]></article-title>
<source><![CDATA[Cancer]]></source>
<year>2003</year>
<volume>98</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>2378-84</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bilezikian]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Bone]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Gurevich]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Lakatos]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Misiorowski]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cinacalcet normalizes serum calcium in a double-blind randomized, placebo-controlled study in patients with primary hyperparathyroidism with contraindications to surgery]]></article-title>
<source><![CDATA[Eur J Endocrinol]]></source>
<year>2015</year>
<volume>172</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>527-35</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
