<?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>0048-7732</journal-id>
<journal-title><![CDATA[Revista de Obstetricia y Ginecología de Venezuela]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Obstet Ginecol Venez]]></abbrev-journal-title>
<issn>0048-7732</issn>
<publisher>
<publisher-name><![CDATA[Sociedad de Obstetricia y Ginecología de Venezuela]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0048-77322004000100008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Angiosarcoma del ovario]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Grases G]]></surname>
<given-names><![CDATA[Pedro J]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tresserra]]></surname>
<given-names><![CDATA[Francesc]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dexeus]]></surname>
<given-names><![CDATA[Santiago]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Grases B]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Instituto Universitario Dexeus Servicio de Anatomía Patológica y Departamento de Obstetricia Ginecología y Medicina de la Reproducción]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>España</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Instituto Universitario Dexeus Ginecólogo de GINE 3 ]]></institution>
<addr-line><![CDATA[ Barcelona]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2004</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2004</year>
</pub-date>
<volume>64</volume>
<numero>1</numero>
<fpage>49</fpage>
<lpage>53</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_arttext&amp;pid=S0048-77322004000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_abstract&amp;pid=S0048-77322004000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_pdf&amp;pid=S0048-77322004000100008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se presenta el espectro clinicopatológico de un angiosarcoma ovárico en estadio avanzado, tratado quirúrgicamente y con quimioterapia adyuvante. La paciente no respondió a la terapia, y fallece por diseminación tumoral a los 9 meses.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The clinicopathologic findings of a patient with ovarian angiosarcoma are presented. She was treated by surgery and proved to have an advanced stage tumor. There was no response to chemotherapy and died 9 months after, with disseminated disease.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[: Tumor ginecológico]]></kwd>
<kwd lng="es"><![CDATA[Sarcoma ovárico]]></kwd>
<kwd lng="es"><![CDATA[Angiosarcoma]]></kwd>
<kwd lng="en"><![CDATA[Tumor of the gynecologic tract]]></kwd>
<kwd lng="en"><![CDATA[Ovarian sarcoma]]></kwd>
<kwd lng="en"><![CDATA[Angiosarcoma]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[   <B><FONT FACE="Verdana">    <P ALIGN="CENTER">Angiosarcoma del ovario</P> </B></FONT><FONT FACE="Verdana" SIZE=2>    <P ALIGN="CENTER">Drs. Fedro J Grases G, Francese Tresserra, Santiago Dexeus, * Fabio Grases B. * * Instituto Universitario Dexeus, Barcelona, Espa&ntilde;a.</P>     <P ALIGN="JUSTIFY"></P> <B>    <P ALIGN="JUSTIFY">RESUMEN:</P> </B>    <P ALIGN="JUSTIFY">Se presenta e/espectro clinicopatol&oacute;gico de un angiosarcoma ov&aacute;rico en estadio avanzado, tratado quir&uacute;rgicamente y con quimioterapia adyuvante. La paciente no respondi&oacute; a la terapia, yfallece por diseminaci&oacute;n tumoral a los 9 meses.</P>     <P ALIGN="JUSTIFY">Palabras clave: Tumor ginecol&oacute;gico. Sarcoma ov&aacute;rico. Angiosarcoma.</P> <B>    <P ALIGN="JUSTIFY">SUMMARY</P> </B>    <P ALIGN="JUSTIFY">The clinico pathologic findings ola patient with ovarian angiosarcoma are presented. She was treated hy surgery andproved to have an advancedstage tumor. There was no response to chemotherapy and died 9 months after, with disseminated disease.</P>     <P ALIGN="JUSTIFY">Key words: Tumor of the gynecologic tract. Ovarian sarcoma. Angiosarcoma.</P>     ]]></body>
<body><![CDATA[<P ALIGN="JUSTIFY"></P> <B>    <P ALIGN="JUSTIFY">INTRODUCCI&Oacute;N</P> </B>    <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; Los tumores vasculares malignos primitivos del ovario son excepcionales y seg&uacute;n recopilaciones recientes los casos publicados con datos fiables no llegan a los 20 (1,2). Se comportan como tumores agresivos y la mayor&iacute;a de las veces en el momento del diagn&oacute;stico, el tumor se encuentra infiltrando la pelvis o con met&aacute;stasis extrap&eacute;lvicas.</P>     <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; Se presentan los hallazgos clinicopatol&oacute;gicos de una paciente con met&aacute;stasis a muy corto plazo y desenlace fatal a los 9 meses despu&eacute;s del tratamiento quir&uacute;rgico.</P> <B>    <P ALIGN="JUSTIFY"></P>     <P ALIGN="JUSTIFY">Caso cl&iacute;nico</P> </B>    <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; Paciente de 33 a&ntilde;os de edad con antecedentes de un parto natural a t&eacute;rmino tres a&ntilde;os antes y hepatitis A en la infancia. Menarqu&iacute;a a los 12 a&ntilde;os; menstruaciones de: 3-4 d&iacute;as/28. Controles ginecol&oacute;gicos normales, el &uacute;ltimo en el posparto.</P>     <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; Su enfermedad actual se inicia en septiembre de 1998 con astenia sin causa aparente. Es referida a nuestro Centro por su internista con la sospecha de una masa abdominal de origen ginecol&oacute;gico. No present&oacute; ni sintomatolog&iacute;a digestiva ni s&iacute;ndrome miccional. El examen f&iacute;sico a su ingreso (marzo/ 1999) revel&oacute; buen estado general y aumento del vello corporal. La colposcopia mostr&oacute; una zona de transformaci&oacute;n at&iacute;pica poco significativa, decisoria con un estudio citol&oacute;gico compatible con neoplasia intraepitelial cervical (NIC) 1. La vagina y vulva se consideraron normales. El tacto vaginal revel&oacute; una tumoraci&oacute;n de aproximadamente 20 cm que ocupaba la totalidad de la cavidad p&eacute;lvica.</P>     <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; La ecograf&iacute;a ginecol&oacute;gica transvaginal mostr&oacute; una tumoraci&oacute;n s&oacute;lida, en parte heterog&eacute;nea de 20 x 15 cm que ocupaba la regi&oacute;n anexial derecha y central por encima del fondo uterino (<a href="#fig1">Figura 1</a>). Su contorno era abollonado y bien definido. El estudio Doppler color revel&oacute; neovascularizaci&oacute;n con &iacute;ndices de baja resistencia (&iacute;ndice de pulsatilidad: 0,50; &iacute;ndice de resistencia: 0,41). Los hallazgos fueron inter-pretados como un proceso neoformativo probablemente ov&aacute;rico. La tomograf&iacute;a axial computada (TAC) abdominal (<a href="#fig2">Figura 2</a>) mostr&oacute; una masa ov&aacute;rica s&oacute;lida de aproximadamente 15 cm de di&aacute;metro, sin afectar &oacute;rganos vecinos. No se visualizaron adenomegalias.</P>     <P ALIGN="JUSTIFY"><a name="fig1"></a></P>     ]]></body>
<body><![CDATA[<P ALIGN="center"> <img border="0" src="/img/fbpe/og/v64n1/art07img1.JPG" width="580" height="523"></P>     
<P ALIGN="center"> <a name="fig2"></a></P>     <P ALIGN="center"> <img border="0" src="/img/fbpe/og/v64n1/art07img2.JPG" width="580" height="483"></P>     
<P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; Las determinaciones de CEA (1,1 ng/mL) y de CA 19,9 (4,06 UI/mL) fueron normales y el CA-125 se mostr&oacute; moderadamente elevado (74,78 UI/mL). El resto de los ex&aacute;menes complementarios (laboratorio y radiograf&iacute;a de t&oacute;rax) resultaron normales.</P>     <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; El 23/03/99 se realiza una laparotom&iacute;a encontr&aacute;ndose una tumoraci&oacute;n ov&aacute;rica y l&iacute;quido en la cavidad peritoneal, en el que no se evidenciaron c&eacute;lulas malignas en el estudio citol&oacute;gico. La lesi&oacute;n fue extirpada conjuntamente con la trompa uterina (<a href="#fig3 a y b">Figuras 3a y 3b</a>) del mismo lado y el estudio peroperatorio fue informado como un tumor ov&aacute;rico maligno de histog&eacute;nesis indeterminada. Se practic&oacute; cirug&iacute;a oncol&oacute;gica reglada (histerectom&iacute;a total con anexectom&iacute;a contralateral, omentectom&iacute;a, apendicectom&iacute;a, linfadenectom&iacute;a p&eacute;lvica bilateral y a&oacute;rtica y biopsia de un peque&ntilde;o n&oacute;dulo parac&oacute;lico izquierdo).</P>     <P ALIGN="JUSTIFY"><a name="fig3 a y b"></a></P>     <P ALIGN="center"> <img border="0" src="/img/fbpe/og/v64n1/art07img3.JPG" width="580" height="485"></P>     
<P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; El tumor ov&aacute;rico era ovoide, renitente, con un peso de 1 750 g y dimensiones m&aacute;ximas de 20 x 14,5 x 10,5 cm. Su superficie externa era ligeramente lobulada y blanquecina con moteado pardo rojizo o gris&aacute;ceo (<a href="#fig4">Figura 4</a>). La superficie de corte era irregularmente esponjosa y mostr&oacute; necrosis multifocal extensa, con salida de abundante material hem&aacute;tico espeso y color pardo rojizo oscuro (<a href="#fig5">Figura 5</a>). No se apreci&oacute; crecimiento por fuera de los l&iacute;mites de la c&aacute;psula. El estudio microsc&oacute;pico mostr&oacute; una tumoraci&oacute;n extensamente necr&oacute;tica, fibrosada y con abundante hemorragia observ&aacute;ndose s&oacute;lo &aacute;reas viables sobre todo en la periferia. Predominaba la proliferaci&oacute;n de c&eacute;lulas fusiformes con n&uacute;cleos ovoides, pleom&oacute;rficos e hipercrom&aacute;ticos y con abundantes mitosis (27 x 10 campos de mayor aumento) (<a href="#fig6">Figura 6</a>). Estas c&eacute;lulas mostraban luces intracitoplasm&aacute;ticas o se agrupaban dejando espacios en los que se distingu&iacute;an eritrocitos. En algunas &aacute;reas exist&iacute;an vasos sangu&iacute;neos marcadamente dilatados, que representaban apenas un 10 % del total del material estudiado microsc&oacute;picamente (<a href="#fig7">Figura 7</a>). Hab&iacute;a adem&aacute;s anastomosis an&oacute;malas. La c&aacute;psula limitante era fibrosa y sin evidencias de ruptura. El estudio inmunohistoqu&iacute;mico revel&oacute; positividad para el Factor VIII, algunas c&eacute;lulas aisladas expresaron HPCA-1 (CD34), la vimentina result&oacute; positiva y en cambio no se aprecia expresi&oacute;n ni de CAM 5.2, ni de Prote&iacute;na S-100.</P>     <P ALIGN="JUSTIFY"><a name="fig4"></a></P>     <P ALIGN="center"> <img border="0" src="/img/fbpe/og/v64n1/art07img4.JPG" width="580" height="485"></P>     
]]></body>
<body><![CDATA[<P ALIGN="center"> <a name="fig5"></a></P>     <P ALIGN="center"> <img border="0" src="/img/fbpe/og/v64n1/art07img5.JPG" width="580" height="520"></P>     
<P ALIGN="center"> <a name="fig6"></a></P>     <P ALIGN="center"> <img border="0" src="/img/fbpe/og/v64n1/art07img6.JPG" width="580" height="520"></P>     
<P ALIGN="center"> <a name="fig7"></a></P>     <P ALIGN="center"> <img border="0" src="/img/fbpe/og/v64n1/art07img7.JPG" width="580" height="642"></P>     
<P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; El estudio de un ap&eacute;ndice epipl&oacute;ico y del epipl&oacute;n revel&oacute; met&aacute;stasis y de un total de 35 ganglios linf&aacute;ticos, solamente se apreci&oacute; infiltraci&oacute;n tumoral del tejido adiposo periganglionar con penetraci&oacute;n focal del tejido linfoide en un ganglio de la cadena p&eacute;lvica derecha. El &uacute;tero y el anexo izquierdo se mostraron indemnes.</P>     <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; El diagn&oacute;stico anatomopatol&oacute;gico fue de angiosarcoma primario del ovario derecho pobremente diferenciado, (Estadio IIIC). La paciente evolucion&oacute; favorablemente en el posoperatorio y fue dada de alta, inici&aacute;ndose tratamiento quimio-ter&aacute;pico con CAP (seis ciclos) el 11/05/99. Present&oacute; toxicidad hematol&oacute;gica y alopecia y la respuesta al tratamiento fue pobre. En los controles sucesivos se constat&oacute; recidiva tumoral. La paciente falleci&oacute; 9 meses despu&eacute;s de la intervenci&oacute;n quir&uacute;rgica con evidencias de enfermedad neopl&aacute;sica diseminada en abdomen y met&aacute;stasis pulmonares.</P> <B>    <P ALIGN="JUSTIFY">DISCUSI&Oacute;N</P> </B>    <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; Los sarcomas ginecol&oacute;gicos son bastante menos frecuentes que los carcinomas y su pron&oacute;stico es mucho peor (3). Se originan principalmente en el &uacute;tero y los del ovario le siguen en frecuencia (4,5).</P>     ]]></body>
<body><![CDATA[<P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; En general los sarcomas del ovario que se presentan con mayor frecuencia lo hacen en combinaci&oacute;n con una proliferaci&oacute;n maligna de elementos epiteliales; se trata del tumor mixto maligno de origen m&uuml;lleriano, tambi&eacute;n descritos como carcinosarcomas (6-8).</P>     <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; El angiosarcoma del ovario constituye una rareza y suele presentarse en pacientes adultas y en estadios avanzados. Se han publicado un par de docenas de casos distribuidos en Europa (9-12), Norteam&eacute;rica (2,13-16) y Asia (1, 17,18). Acostumbran ser tumores unilaterales, aunque en alg&uacute;n caso se ha descrito el compromiso de ambos ovarios (19), por lo cual debe descartarse la afectaci&oacute;n metast&aacute;sica de un angiosarcoma primario localizado fuera de los ovarios. La mayor&iacute;a de los angiosarcomas descritos en el ovario son puros, sin embargo, hay casos excepcionales en los cuales el angiosarcoma se origina en un teratoma maduro (15). Puede tambi&eacute;n asociarse con un cistadenoma mucinoso (12) o con un cistadenoma seroso lim&iacute;trofe del ovario (20).</P>     <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; En el momento del diagn&oacute;stico, la mayor&iacute;a de los casos presentan diseminaci&oacute;n intraabdominal de la enfermedad, afectando incluso a ganglios linf&aacute;ticos (15). Es interesante destacar que en nuestro caso exist&iacute;a diseminaci&oacute;n peritoneal del tumor con afectaci&oacute;n de un ganglio de la cadena p&eacute;lvica derecha, sin embargo, la infiltraci&oacute;n ganglionar se produjo por continuidad a partir de un foco de tumor en la grasa periganglionar. Como en nuestra paciente, la quimioterapia adyuvante tiene un efecto muy limitado, s&oacute;lo excepcionalmente se ha logrado una respuesta con remisiones temporales (14). La gran mayor&iacute;a de los casos publicados han fallecido antes de completar el segundo a&ntilde;o del posoperatorio.</P>     <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; El diagn&oacute;stico anatomopatol&oacute;gico ofrece escasas dificultades en la medida en que se realice un muestreo adecuado del tumor. Hay casos en los cuales, como en el nuestro, predomina el tumor pobremente diferenciado y cuando se estudia material adicional se pone en evidencia la histog&eacute;nesis vascular. El perfil inmunohistoqu&iacute;mico (positividad para el factor VIII, expresi&oacute;n de CD3 1 y CD34) y los rasgos ultraestructurales son de utilidad para confirmar el diagn&oacute;stico.</P>     <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; El diagn&oacute;stico diferencial con otros sarcomas primitivos del ovario no ofrece dificultades. Los leiomiosarcomas (21,22), los fibrosarcomas (23,24) y los rabdomiosarcomas (25) exhiben rasgos histopatol&oacute;gicos y perfiles inmunohistoqu&iacute;micos en concordancia con su histog&eacute;nesis. Los osteosarcomas primitivos se han descrito origin&aacute;ndose en un teratoma qu&iacute;stico maduro (26) o como casos puros (27).</P>     <P ALIGN="JUSTIFY">&nbsp;&nbsp;&nbsp; En conclusi&oacute;n, el angiosarcoma ov&aacute;rico es un tumor poco frecuente, extremadamente agresivo, que debe distiriguirse de otros tumores mesenquim&aacute;ticos del ovario y que su diagn&oacute;stico exige descartar un angiosarcoma primario en otra localizaci&oacute;n, sobre todo en aquellos casos de afectaci&oacute;n ov&aacute;rica bilateral.</P>     <P ALIGN="JUSTIFY"></P> <B>    <P ALIGN="JUSTIFY">REFERENCIAS</P> </B>    <P ALIGN="JUSTIFY">1. Furihata M, Takeuchi T, Iwata J, Sonobe H, Ohtsuki Y, Wakatsuki A, et al. Primary angiosarcoma: A case report and literature review. 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