1. Case History Age / Sex : 59 / F C. C : Pancreatic mass
P. I : Left leg edema (1 Month)
Mass was detected at local clinic
P. Hx : 1975 Thyroid tumor op.
1980 Uterine myoma op
1995 Hypertension
S. Hx : No alcohol dringking
Lab : Amylase, lipase : normal
Autoantibodies : negative

14. CD20
CD3

15. Kappa
Lambda

16. Chronic Pancreatitis
Alcohol- and obstruction-related chronic pancreatitis
Hereditary pancreatitis
Autoimmune pancreatitis
Idiopathic chronic pancreatitis with periductal lymphoplasmacytic infiltration
Lymphoplasmacytic sclerosing pancreatitis

17. Idiopathic Chronic Pancreatitis with Periductal Lymphoplasmacytic Infiltration Am J Sur Pathol 27 (8) : , 2003
1. LPSP (Lymphoplasmacytic sclerosing pancreatitis
Involvement and replacement of exocrine pancreas by a lymphoplasmacytic fibrinoinflammatory process
Single file infiltrates between thick, swirling collagen fibers
Rare neutophils
Periductal inflammation
Rare epithelial damae
Obliterative pnlebitis
Lymphoid follicles
2. IDCP (Idiopathic ductcentric chronic pancreatitis)
Prominent lobular inflammation consisting of edema and infiltrating neutrophils, lymphocytes, and plasma cells
Inflammatory infiltrates in fibrotic area and adipose tissue are not prominent
Neutrophils frequently involves the duct epithelium and lumen

18. Lymphoplasmacytic sclerosing pancreatitis
Tentative Diagnosis
Lymphoplasmacytic sclerosing pancreatitis