Retrospective Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Jan 14, 2017; 23(2): 275-285
Published online Jan 14, 2017. doi: 10.3748/wjg.v23.i2.275
Table 5 Diagnostic performances in the identification of G2-3 and stage III-IV pancreatic neuroendocrine neoplasms
FeatureDiagnostic performance
SeSpPPVNPV
Grade 2-3Ill defined margins54.2 (33.2-73.8)90.3 (73.1-97.5)81.2 (53.7-95)71.7 (54.9-84.4)
Vascular infiltration29.2 (13.4-51.2)96.7 (81.5-99.8)87.5 (46.7-99.3)63.8 (48.4-76.9)
Liver metastases25 (10.6-47)96.7 (81.5-99.8)85.7 (42-99.2)62.5 (47.3-75.7)
Heterogeneous enhancement66.7 (44.7-83.6)71 (51.7-85.1)64 (42.6-81.3)73.3 (53.8-87)
Size > 17.5 mm91.7 (71.5-98.5)61.3 (42.3-77.6)64.7 (46.5-79.7)90.5 (68.2-98.3)
Size > 20 mm79.2 (57.3-92.1)60.9 (38.8-79.5)67.8 (47.6-83.4)73.6 (48.6-52.4)
ADC < 1.21 × 10-3 mm2/s70.8 (48.7-86.6)64.5 (45.4-80.2)60.7 (40.7-77.9)74.1 (53.4-88.1)
Stage III-IVIll defined margins57.7 (37.2-76)96 (77.7-99.8)93.7 (67.7-99.7)68.6 (50.6-82.6)
ADC < 1.28 × 10-3 mm2/s80.7 (60-92.7)64 (42.6-81.3)70 (50.4-84.6)76.2 (52.4-90.9)