<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-08-28T12:19:10Z</responseDate><request verb="GetRecord" identifier="oai:gredos.usal.es:10366/142007" metadataPrefix="dim">https://gredos.usal.es/oai/request</request><GetRecord><record><header><identifier>oai:gredos.usal.es:10366/142007</identifier><datestamp>2025-06-05T12:36:20Z</datestamp><setSpec>com_10366_141365</setSpec><setSpec>com_10366_127834</setSpec><setSpec>com_10366_4666</setSpec><setSpec>com_10366_3823</setSpec><setSpec>col_10366_141367</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="6583ff0d-7c9d-4a13-b9c8-42534a8acc02" confidence="500" orcid_id="">Gamboa, Ines</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="a1d5601c-1814-4c15-8253-0ed638a37247" confidence="500" orcid_id="">Vilhena, Ditza</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="2556d457-51ab-4644-8c25-0d5cf9491170" confidence="500" orcid_id="">Resende, Mário</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="ada96da8-fe12-4479-8e30-09d8891097f3" confidence="500" orcid_id="">Duarte, Delfim</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="b3c71784-e0d1-48c9-8701-626a45b63942" confidence="500" orcid_id="">Lopes, Gustavo</dim:field>
<dim:field mdschema="dc" element="date" qualifier="accessioned">2020-03-10T10:31:15Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="available">2020-03-10T10:31:15Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="issued">2017-12-19</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="citation">Revista ORL, 10 (2019)</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="issn">2444-7986</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/10366/142007</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract">Introduction: Chordoma is a rare malignant tumor that arises from remnants cells of the primitive notochord, which are located at caudal and cephalic ends of the vertebral column. It represents 2 to 5 % of all primary bone tumors. Description: We report the case of a patient with a clival chordoma, asymptomatic, diagnosed as an accidental finding in a paranasal sinus. imaging study. Discussion: The imaging findings were suggestive of a potentially malignant lesion given the underlying bone lysis. Once the diagnosis is histological, biopsy of clival suspicious lesions should be promptly carried out. In this case report, the surgical approach and the postoperative follow-up are presented.</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract">Introducción: El cordoma es un tumor maligno raro que surge de las células remanentes de la notocorda primitiva, que se localizan en los extremos caudal y cefálico de la columna vertebral. Representa del 2 al 5% de todos los tumores óseos primarios. Descripción: Presentamos el caso de un paciente con un cordoma del clivus, asintomático, diagnosticado como hallazgo accidental en estudio de imagen de los senos paranasales. Discusión: los hallazgos de imagen fueron sugestivos de una lesión potencialmente maligna dada la lisis ósea subyacente. Dado que el diagnóstico es histológico, la biopsia de una lesión clival sospechosa debe llevarse a cabo con prontitud. En este caso clínico, se presentan el abordaje quirúrgico y el seguimiento postoperatorio.</dim:field>
<dim:field mdschema="dc" element="format" qualifier="mimetype">application/pdf</dim:field>
<dim:field mdschema="dc" element="language" qualifier="iso">eng</dim:field>
<dim:field mdschema="dc" element="publisher">Ediciones Universidad de Salamanca (España)</dim:field>
<dim:field mdschema="dc" element="rights">info:eu-repo/semantics/openAccess</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="accessRights">info:eu-repo/semantics/openAccess</dim:field>
<dim:field mdschema="dc" element="subject">Otorrinolaringología</dim:field>
<dim:field mdschema="dc" element="subject">nariz</dim:field>
<dim:field mdschema="dc" element="subject">garganta</dim:field>
<dim:field mdschema="dc" element="subject">oídos</dim:field>
<dim:field mdschema="dc" element="subject">Audiología y otología</dim:field>
<dim:field mdschema="dc" element="subject">sordera</dim:field>
<dim:field mdschema="dc" element="subject">Otorhinolaryngology</dim:field>
<dim:field mdschema="dc" element="subject">ENT</dim:field>
<dim:field mdschema="dc" element="subject">Audiology and otology</dim:field>
<dim:field mdschema="dc" element="subject">deafness</dim:field>
<dim:field mdschema="dc" element="title">Resección endoscópica de cordoma del clivus. Descripción de un caso</dim:field>
<dim:field mdschema="dc" element="title">presentation letter</dim:field>
<dim:field mdschema="dc" element="title" qualifier="alternative">Endoscopic Resection of Clival Chordoma. A Case Report</dim:field>
<dim:field mdschema="dc" element="title" qualifier="alternative">Sin título</dim:field>
<dim:field mdschema="dc" element="type">info:eu-repo/semantics/article</dim:field>
</dim:dim></metadata></record></GetRecord></OAI-PMH>