Spontaneous remission of autoimmune pancreatitis: Four case reports

Table 1 Literature review of autoimmune pancreatitis cases with spontaneous remission

Ref.	Age/sex	Clinical presentation	Serum IgG4 mg/dL	Type of pancreatic enlargement	Associated diseases	Treatment	Outcome
Ohtsubo et al[9], 2021	67/F	Dark urine	674 (< 135)	Pancreatic head mass	Nothing	Biliary plastic stent	Pancreatic head mass diminished after 1month; multiple malignant lymphomas of the bile duct after 3 mo
Kusano et al[10], 2019	79/M	Dry mouth, weight loss, blood glucose control deteriorated	1830 (4.8-105)	Diffuse pancreatic enlargement	Lymphadenopathy	Intensive insulin treatment	Pancreatic enlargement disappeared but lymph nodes persisted after 4 years; IgG4 was 623
Uchida et al[11], 2007	54/M	Jaundice	213 (6-140)	Pancreatic head mass	Hepatic masses	Endoscopic biliary drainage Biopsy of hepatic mass	Pancreatic masses disappeared after 3 mo; hepatic masses disappeared after 12 mo
Araki et al[12], 2006	73/F	No symptoms	196 (4.8-105)	Pancreatic uncinate and tail mass	Nothing	Follow-up	Uncinate mass decreased but mass in the tail increased after 3.6.9 mo; IgG4 were 163-203
Ozden et al[13], 2005	58/F	Painless jaundice	Not mentioned	Pancreatic head body and tail mass	Gallbladder	Percutaneous cholangiography and external drainage; Laparotomy and Cholecystectomy	No evidence of focal lesion in pancreas after 6 mo; IgG4 was 1040

F: Female; M: Male.