Table 3 Comparison of clinical characteristics at the onset between patients without and with corticosteroid treatment
Patients without CST (n  =  23)Patients with CST (n  =  19)
Age66 (41–80)64 (55–75)
Obstructive jaundice1113
Abdominal pain510
Body weight loss (>5 kg in the past 3 months)09
Pancreatic ductal change13/1010/9
IgG4 (mg/dl)544 (65–2170)555 (133–1400)
Extrapancreatic lesions5 lesions in 4 patients15 lesions in 11 patients
Sclerosing cholangitis06
Retroperitoneal fibrosis35
  • CST, Corticosteroid treatment.