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. 2017 Dec 21;57(8):1093–1099. doi: 10.2169/internalmedicine.9743-17

Figure 5.

Figure 5.

The histological findings of a cystic lesion in a resected specimen of the pancreatic head. Hematoxylin and Eosin (H&E) staining (a, orig. mag. ×25) demonstrated low papillary epithelium in this cystic lesion. The epithelium was focally positive for MUC1 (b, orig. mag. ×25) and negative for MUC2 and CDX2, indicating gastric-type IPMN. Additionally, in the marginal position of this cyst, there was a clear border between the gastric-type IPMN and the intestinal-type IPMN (similar to the lesion of the pancreatic body) (c, H&E staining, orig. mag. ×50; d, MUC2 staining, orig. mag. ×25; e, CDX2 staining, orig. mag. ×25; f, Ki67 staining, orig. mag. ×25). MUC2: mucin 2 glycoprotein, MUC1: mucin 1 glycoprotein, CDX2: caudal-type homeobox 2, IPMN: intraductal papillary mucinous neoplasm