Should Steroid Therapy Be Necessarily Needed for Autoimmune Pancreatitis Patients with Lesion Resected due to Misdiagnosed or Suspected Malignancy?

Table 1

Clinic characteristics of AIP patients.

Case	Sex	Age (yr)	Initial diagnosis	Diagnostic criteria	Initial symptoms	Operation	Steroid therapy	Follow-up months
1	Male	67	Pancreatic head cancer	^①†	Jaundice	PD	Yes*	80
2	Male	51	Lower common bile duct cancer	^①†	Jaundice	PD	No	60
3	Male	76	Pancreatic head cancer	^①†	Routine checkup	PD	No	55
4	Male	58	Pancreatic body cancer	^①†	Epigastric discomfort	DP	Yes§	21
5	Male	58	Pancreatic head cancer	^①†	Abdominal pain	PD	No	32
6	Male	64	Suspected AIP	^①‡	Jaundice	Biopsy, ID	Yes	50
7	Male	49	Suspected AIP	^①‡	Abdominal pain	Biopsy, ID	Yes	57
8	Male	54	Pancreatic head cancer	^①†	Routine checkup	PD	No	33

Note: PD: pancreaticoduodenectomy; DP: distal pancreatectomy; ID: internal drainage; ^①meaning the patient meets the first Diagnostic Criteria for Autoimmune Pancreatitis from Mayo Clinic Center, that is, lymphoplasmacytic sclerosing pancreatitis or a large number of IgG4-positive cells (≥10 cells/high power field), depending on pathology assessment of resection specimens (^†) or intraoperative frozen biopsy (^‡); ∗60 days after operation; §7 months after operation.