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DNA Cytometry for Differentiation Between Low- and Medium-grade Dysplasia in Intraductal Papillary Mucinous Neoplasms.
Anticancer Research 2017
BACKGROUND/AIM: The indication for resection of cystic pancreatic lesions is usually performed by sectional imaging criteria, such as the Sendai criteria. The aim of this study was to analyze a possible correlation between DNA cytometry and Sendai criteria for the differentiation between low-grade intraductal papillary mucinous neoplasms (IPMN-A) and medium-grade dysplasia (IPMN-B).
MATERIALS AND METHODS: Histopathological analysis, DNA index and preoperative Sendai criteria were determined in 16 patients who underwent pancreatic resection for IPMN.
RESULTS: All patients with IPMN-B showed aneuploid histograms with DNA indices ≥1.3, whereas three out of four patients with IPMN-A had diploid DNA indices ≤1.3. All 11 patients with one or more high-risk stigmata and aneuploid histograms had IPMN-Bs, whereas both patients who were Sendai-negative and diploid in the DNA analysis had an IPMN-A.
CONCLUSION: DNA index may be an important diagnostic tool for the differentiation of different IPMN types beyond the traditional Sendai criteria.
MATERIALS AND METHODS: Histopathological analysis, DNA index and preoperative Sendai criteria were determined in 16 patients who underwent pancreatic resection for IPMN.
RESULTS: All patients with IPMN-B showed aneuploid histograms with DNA indices ≥1.3, whereas three out of four patients with IPMN-A had diploid DNA indices ≤1.3. All 11 patients with one or more high-risk stigmata and aneuploid histograms had IPMN-Bs, whereas both patients who were Sendai-negative and diploid in the DNA analysis had an IPMN-A.
CONCLUSION: DNA index may be an important diagnostic tool for the differentiation of different IPMN types beyond the traditional Sendai criteria.
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