Table 1.

Patient and tumor characteristics

A. Ductal adenocarcinoma
Total cases198
Age (y)
    Mean (±SD)62 ± 10
    Median (range)63 (33-83)
Gender
    Male114
    Female84
Tumor size (mm)
    Mean (±SD)39.5 ± 16.8
    Median (range)35 (110-10)
Pathologic tumor status*
    pT112
    pT226
    pT3101
    pT459
Pathologic node status*
    pN034
    pN1a36
    pN1b128
Pathologic metastasis status*
    pM0132
    pM166
Stage*
    I16
    II10
    III74
    IVA32
    IVB66
Tumor grade
    124
    2140
    324
    Other histologic type10
B. IPMN
Total cases51
Age (y)
    Mean (±SD)65 ± 8
    Median (range)66 (41-78)
Gender
    Male31
    Female20
Tumor grade
    IPMA18 (intraductal hyperplasia 7 + IPMA with mild atypia 11)
    IPMN with moderate dysplasia7 (IPMA with moderate atypia 7)
    IPMC, noninvasive9 (IPMC, noninvasive 9)
    IPMC, invasive17 (IPMC, minimally invasive 9 + invasive carcinoma derived from intraductal tumor 8)
C. Nonneoplastic pancreatic lesion
Total cases15
Age (y)
    Mean (±SD)60.3 ± 8.8
    Median (range)59 (48-76)
Gender
    Male14
    Female1
Histopathologic diagnosis
    Pseudocyst7
    Chronic pancreatitis, nonspecific4
    Abscess2
    Anerysm of splenic artery2
  • * Classified according to International Union Against Cancer tumor-node-metastasis classification.

  • Classified according to WHO classification.

  • Classified according to the classification of pancreatic carcinoma of Japan Pancreas Society.