<?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>2026-04-18T16:49:15Z</responseDate><request verb="GetRecord" identifier="oai:riubu.ubu.es:10259/10135" metadataPrefix="qdc">https://riubu.ubu.es/oai/request</request><GetRecord><record><header><identifier>oai:riubu.ubu.es:10259/10135</identifier><datestamp>2025-02-01T01:05:44Z</datestamp><setSpec>com_10259_6688</setSpec><setSpec>com_10259_5086</setSpec><setSpec>com_10259_2604</setSpec><setSpec>col_10259_6689</setSpec></header><metadata><qdc:qualifieddc xmlns:qdc="http://dspace.org/qualifieddc/" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dc="http://purl.org/dc/elements/1.1/" xsi:schemaLocation="http://purl.org/dc/elements/1.1/ http://dublincore.org/schemas/xmls/qdc/2006/01/06/dc.xsd http://purl.org/dc/terms/ http://dublincore.org/schemas/xmls/qdc/2006/01/06/dcterms.xsd http://dspace.org/qualifieddc/ http://www.ukoln.ac.uk/metadata/dcmi/xmlschema/qualifieddc.xsd">
<dc:title>Adenocarcinoma on retrorectal cystic hamartoma: An illustrative image for a very rare diagnosis</dc:title>
<dc:creator>Reoyo Pascual, José Felipe</dc:creator>
<dc:creator>Alonso Alonso, Evelio</dc:creator>
<dc:creator>Polanco Pérez, Lucía</dc:creator>
<dc:creator>Álvarez Rico, Miguel Ángel</dc:creator>
<dc:subject>Hamartoma</dc:subject>
<dc:subject>Retrorrectal</dc:subject>
<dc:subject>Adenocarcinoma</dc:subject>
<dcterms:abstract>Retrorectal cystic hamartoma (also known as tailgut cyst) is a congenital lesion that originates from debris from the embryonic caudal intestine. Incidentally diagnosed in more than half of cases, the treatment of choice is surgical resection. It is a very rare pathology whose oncological transformation constitutes a true pathological rarity.</dcterms:abstract>
<dcterms:dateAccepted>2025-01-31T14:08:00Z</dcterms:dateAccepted>
<dcterms:available>2025-01-31T14:08:00Z</dcterms:available>
<dcterms:created>2025-01-31T14:08:00Z</dcterms:created>
<dcterms:issued>2024-12</dcterms:issued>
<dc:type>info:eu-repo/semantics/article</dc:type>
<dc:identifier>0093-7754</dc:identifier>
<dc:identifier>http://hdl.handle.net/10259/10135</dc:identifier>
<dc:identifier>10.1053/j.seminoncol.2024.10.003</dc:identifier>
<dc:language>eng</dc:language>
<dc:relation>Seminars in Oncology. 2024, V. 51, n. 5-6, p- 154-155</dc:relation>
<dc:relation>https://doi.org/10.1053/j.seminoncol.2024.10.003</dc:relation>
<dc:rights>info:eu-repo/semantics/closedAccess</dc:rights>
<dc:publisher>Elsevier</dc:publisher>
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