Pancreatic perivascular epithelioid cell tumor: A case report with clinicopathological features and a literature review

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摘要 Perivascularepithelioidcelltumor(PEComa)ofthepancreasisanunusualtumorderivingfrommesenchyma.ThispaperdescribedacaseofpancreaticPEComa,whichwasinitiallysuspectedasneuroendocrinecarcinomabybiopsy,andthereforesurgicaltreatmentwasrecommendedduetoundetermineddiagnosis.Examinationofthesurgicalspecimenunderamicroscopeshowedthatthetumorcell’smorphologywasepithelioidorspindle-shaped,andrangedinanestedpattern.Additionally,thesecellshadalargeextentofacidophiliccytoplasm,nomitoticfigures,andexpressedHMB-45,melan-p,andsmoothmuscleactinimmunohistochemically.PathologicalexaminationindicatedthatPEComaoriginatedfromthepancreas,butsymptomsrelatedtotuberoussclerosiswereabsent.SincePEComaisextremelyrareinthepancreas,itislikelytobeignoredindifferentialdiagnosis.Inconclusion,ourarticlehighlightedtheclinicopathologicalfeaturesofPEComa,andweconductedaliteraturereviewfocusingonPEComasoastodeepentheunderstandingofthistumortype.
机构地区 不详
出版日期 2016年12月22日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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