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Arch Pathol Lab Med. 2012 Jun;136(6):601-9. doi: 10.5858/arpa.2011-0326-OA.

Reevaluation and identification of the best immunohistochemical panel (pVHL, Maspin, S100P, IMP-3) for ductal adenocarcinoma of the pancreas.

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Department of Laboratory Medicine, Geisinger Medical Center, 100 N Academy Ave, Danville, PA 17822, USA.



Differentiation of ductal adenocarcinoma of the pancreas from nonneoplastic pancreatic tissues can be challenging, especially in small biopsy and fine-needle aspiration specimens.


To investigate the utility of 26 immunohistochemical markers (CAM 5.2, CK [cytokeratin] 7, CK20, CK17, CK19, MUC1, MUC2, MUC4, MUC5AC, MUC6, p53, DPC4/SMAD4, CDX2, pVHL [von Hippel-Lindau tumor suppressor gene protein], S100P, IMP-3 [insulin-like growth factor 2 messenger RNA binding protein 3], maspin, mesothelin, claudin 4, claudin 18, annexin A8, fascin, PSCA [prostate stem cell antigen], MOC31, CEA [carcinoembryonic antigen], and CA19-9 [cancer antigen 19-9]) in the diagnosis of ductal adenocarcinoma of the pancreas.


Immunohistochemical staining for these markers was performed in 60 cases of pancreatic ductal adenocarcinoma on routine and tissue microarray sections. In addition, immunohistochemical staining for maspin, S100P, IMP-3, and pVHL was performed on cell blocks from 67 pancreatic fine-needle aspiration cases, including 44 cases of pancreatic ductal adenocarcinoma.


The results demonstrated that (1) more than 90% of cases of ductal adenocarcinoma were positive for maspin, S100P, and IMP-3; (2) nearly all adenocarcinoma cases were negative for pVHL, whereas nonneoplastic ducts and acini were positive for pVHL in all cases; (3) normal/reactive pancreatic ducts were frequently positive for CK7, CK19, MUC1, MUC6, CA19-9, MOC31, PSCA, mesothelin, annexin A8, claudin 4, and claudin 18; (4) normal pancreatic ducts were usually negative for IMP-3, maspin, S100P, CK17, MUC2, MUC4, and MUC5AC; (5) 60% of adenocarcinomas were negative for DPC4/SMAD4; and (6) strong background staining was frequently seen with fascin, PSCA, and annexin A8.


pVHL, maspin, S100P, and IMP-3 constitute the best diagnostic panel of immunomarkers for confirming the diagnosis of pancreatic ductal adenocarcinoma in both surgical and fine-needle aspiration specimens.

[Indexed for MEDLINE]

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