ARCH PATHOL LAB MED:SATB2与CDX2在黏液性肿瘤诊断优势的比较

2019-10-24 MedSci MedSci原创

转移性黏液性肿瘤对病理学家来说在诊断上存在一定的困难,因为肿瘤的组织形态学通常是非特异性的,有关其的免疫功能仍在研究中。

转移性黏液性肿瘤对病理学家来说在诊断上存在一定的困难,因为肿瘤的组织形态学通常是非特异性的,有关其的免疫功能仍在研究中。在多种原发黏液性肿瘤中,研究人员对富at序列结合蛋白2 (SATB2)和尾侧型同源盒2 (CDX2)的表达进行比较。

研究人员对44例黏液性直肠癌175例非结直肠黏液性肿瘤全切片行进行SATB2CDX2免疫组化染色。采用核评分系统测量强度(0 - 3+)和染色百分率(0 = <5%1 = 5% - 49%2 =50%),生成附加的组织学进行评分(h -评分)

SATB2在低至中等表达水平(h -评分为1-4)表现为可接受的准确性。使用这些H-score分值,总体准确率大于90%。相比之下,CDX2的准确性仅在h -评分为5(89.0%)时才能与SATB2相比,因为其特异性在较低的表达水平时受到影响(h -评分为1-4<70.0%)。使用温和或更高的h值截止3 SATB2CDX2之间的敏感性和特异性都存在显著差异(敏感性和特异性P<0.001),尽管这些染色一致(SATB23CDX2 = 5)

因此,研究表明,与CDX2相比,SATB2是一个更准确的结直肠起源的标记,它跨越了多种表达水平,适用于许多原发部位的粘液性肿瘤。然而,当在其最佳表达水平上解释每种染色剂时,它们几乎是等价的。

原始出处:

Stefan M. Brettfeld, DO; Benjamin D. Ramos, MD;SATB2 Versus CDX2: A Battle Royale for Diagnostic Supremacy in Mucinous Tumors

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    2020-06-04 yb6560
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    2019-11-05 wodejia-dayu
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    2019-10-26 lqvr
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