Table 1 Clinicopathologic features of solid-pseudopapillary neoplasm of pancreas, pancreatic adenocarcinomas, and pancreatic neuroendocrine tumors

From: Characterization of gene expression and activated signaling pathways in solid-pseudopapillary neoplasm of pancreas

   Types of pancreatic cancer  
Variable Category Case no. (n=26) SPN 14 (%) PCA 6 (%) NET 6 (%) P-value
Age (years)   39.9±15.2 62.8±9.1 48.3±16.4 0.013
     
Gender
 Male 13 4 (28.6) 5 (83.3) 4 (66.7) 0.066
 Female 13 10 (71.4) 1 (16.7) 2 (33.3)
Location
 Head 7 1 (7.2) 4 (66.7) 2 (33.3) 0.078
 Body 4 3 (21.4) 0 (0.0) 1 (16.7)
 Tail 15 10 (71.4) 2 (33.3) 3 (50.0)
Size
 ≤4 cm 15 8 (57.1) 3 (50.0) 4 (66.7) 1.0
 >4 cm 11 6 (42.9) 3 (50.0) 2 (33.3)
Pancreas invasion
 Present 12 3 (21.4) 6 (100.0) 3 (50.0) 0.003
 Absent 14 11 (78.6) 0 (0.0) 3 (50.0)
Lymph node metastasis
 Present 4 0 (0.0) 1 (16.7) 3 (50.0) 0.018
 Absent 22 14 (100.0) 5 (83.3) 3 (50.0)
Distant metastasis
 Present 5 1 (7.1) 2 (33.3) 2 (33.3) 0.203
 Absent 21 13 (92.9) 4 (66.7) 4 (66.7)
β-catenin mutation
 Present 14 14 (100.0) 0 (0.0) 0 (0.0) <0.001
 Absent 12 0 (0.0) 6 (100.0) 6 (100.0)
Chromogranin expression
 Present 7 1 (7.1) 0 (0.0) 6 (100.0) <0.001
 Absent 19 13 (92.9) 6 (100.0) 0 (0.0)