Table 2.

Material sampling and organ involvements in patients with IgG4-RD

Case	Material sampling			Organ involvement
	PBMC	CD3/CD20	LSGa
1	○		○	MD, lymph node, lung
2	○		○	MD, lymph node
3	○	○		MD
4	○			MD, lymph node
5			○	MD, lung
6	○	○		MD, lymph node, para-aorta swelling
7	○	○		Intraorbital mass, retroperitoneal fibrosis
8			○	MD
9			○	MD
10			○	MD
11			○	MD
12			○	MD
13			○	MD
14			○	MD, lung
15			○	MD, liver

PBMCs, peripheral blood mononuclear cells; CD3/CD20, CD3-positive T cells and CD20-positive B cells sorted from PBMCs; LSG, labial salivary gland; MD, Mikulicz disease (salivary and lacrimal glands). ^aAll LSG samples satisfied histopathologic findings of the comprehensive diagnostic criteria for IgG4-related disease (IgG4-RD) 2011.