An IgG4-Related Salivary Gland Disorder: A Case Series Presenting with a Different Clinical Setting

Table 1

Summary of three case reports.

	Case 1	Case 2	Case 3
Age, gender	77 years old, male	59 years old, female	61 years old, male
Swelling of the submandibular gland	Both sides	Initially, on the right side; after a period of time, on the left side	Right side
Serum amylase	Within normal range	Within normal range	Within normal range
Serum SS-A antibody	Negative	Negative	Negative
Serum SS-B antibody	Negative	Negative	Negative
Serum IgG; (863–1589 mg/dL)	2441	1313	1196
Serum IgG4; (4–108 mg/dL)	451	241	64
IgG4-positive plasma cells in salivary gland tissue	Positive	Positive	Positive
Histopathological; diagnosis	Chronic sclerosing sialadenitis	Chronic sclerosing sialadenitis	Chronic sclerosing sialadenitis
Other organ lesions	No	No	No
Other image findings	none	Intense uptake on PET	Decrease in accumulations on salivary gland scintigraphy