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Cystic gastrointestinal stromal tumors of the pancreas simulating cystoadenocarcinoma. Report of three cases and short review of the literature

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dc.contributor.authorAmbrosio, Maria Raffaella
dc.contributor.authorRocca, B.J.
dc.contributor.authorMastrogiulio, M.G.
dc.contributor.authorPesci, A.
dc.contributor.authorDe Martino, A.
dc.contributor.authorMazzei, M.A.
dc.contributor.authorVolterrani, L.
dc.contributor.authorArcuri, F.
dc.contributor.authorCintorino, M.
dc.contributor.authorTripodi, S.A.
dc.date.accessioned2019-12-20T15:38:02Z
dc.date.available2019-12-20T15:38:02Z
dc.date.issued2014
dc.description.abstractGastrointestinal stromal tumors (GISTs) represent a distinct subset of mesenchymal tumours of the gastrointestinal tract. They are more common in the stomach and small intestine, and are characterized by the proliferation of spindle or epithelioid cells and by the expression of CD117. Extra-gastrointestinal stromal tumors are rare and only 13 cases of pancreatic GISTs have been reported in the literature, only 1 of which presented as a cystic lesion. Mutational analysis of KIT and Platelet derived growth factor receptor-α genes was performed only in two out of the 13 cases. We report 3 cases of cystic GISTs of the pancreas, radiologically mimicking a cystoadenocarcinoma. Routine histopathology and molecular characterization of the tumours have been performed. In two of them, molecular analysis showed unusual genetic alterations (the internal repeat of codon 502 and 503 in exon 9 of the KIT gene and the KIT exon 9 single nucleotide substitution c.1427G>T). Pancreatic GIST should be included in the differential diagnosis of both cystic and solid masses of the pancreas. The diagnosis should be accomplished by a combination of radiology, histology, immunohistochemistry and molecular biology. The evaluation of CD117 expression and the sequence analysis of KIT and Platelet derived growth factor receptor-α gene is mandatory for therapy.es
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dc.format.extent9es
dc.identifier.doihttps://doi.org/10.14670/HH-29.1583
dc.identifier.eisbnHistology and Histopathology, Vol. 29, n.º 12 (2014)es
dc.identifier.issn0213-3911
dc.identifier.issn1699-5848
dc.identifier.urihttp://hdl.handle.net/10201/84926
dc.languageenges
dc.publisherF. Hernández y Juan F. Madrid. Universidad de Murcia: Departamento de Biología Celular e Histologíaes
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectPancreases
dc.subjectGISTes
dc.subjectExtra-gastrointestinal stromal tumoures
dc.subject.otherCDU::5 - Ciencias puras y naturales::57 - Biología::576 - Biología celular y subcelular. Citologíaes
dc.titleCystic gastrointestinal stromal tumors of the pancreas simulating cystoadenocarcinoma. Report of three cases and short review of the literaturees
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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Histology and histopathology Vol.29, nº12 (2014)