Type one autoimmune pancreatitis based on clinical diagnosis: A case report

Table 1 Laboratory results during treatments

Item/time	July 24, 2023	July 26, 2023	July 29, 2023	August 1, 2023	August 20, 2023	October 7, 2023	Reference point
WBC (× 109/L)	10.98	12.04	12.71	14.50	14.70	12.01	3.50-9.50
ALT (U/L)	231.80		210.80	172.10	27.50	24.70	9.00-50.00
AST (U/L)	138.20		117.90	66.80	19.90	23.00	15.00-40.00
TBIL (μmol/L)	69.40		31.60	24.10	16.70	10.70	0.00-26.00
DBIL (μmol/L)	59.50		29.40	23.80	10.10	4.10	0.00-8.00
IgG4 (g/L)		14.70			10.80		0.03-2.01

WBC: White blood cell count; ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; TBIL: Total bilirubin; DBIL: Direct bilirubin; IgG4: Immunoglobulin G4.

Table 2 Summary of case data, n (%)

	Autoimmune pancreatitis (n = 51)
Sex
Male	39 (76)
Women	12 (24)
Age (yr)
< 50	15 (30)
50-60	19 (37)
> 60	17 (33)
Clinical symptom
Jaundice	33 (65)
Abdominal pain	22 (43)
Wasting away, fever etc.	10 (20)
Not have	4 (8)
Laboratory tests
CA19-9
Ascend	14 (27)
Normalcy	12 (24)
Not mentioned	25 (49)
IgG4
Ascend	45 (88)
Normalcy	4 (8)
Not mentioned	2 (4)
Swollen parts of the pancreas
Head of pancreas	30 (59)
Tail of pancreas	7 (14)
The whole pancreas	14 (27)
Diagnostic methods
Surgical resection	14 (27)
Puncture biopsy	27 (53)
Clinical diagnosis	10 (20)

CA19-9: Carbohydrate antigen 19-9; IgG4: Immunoglobulin G4.