Table 1.

Shared and distinct features of Sézary syndrome and disease controls.

Disease Type	Skin Inflammation	Lympho-Proliferation	Malignancy
Sézary syndrome	Th2	clonal	+
L-HES	Th2	frequently clonal	−
Atopic Dermatitis	Th2	reactive	−
Psoriasis	Th1, Th17	reactive	−
Contact Dermatitis	Th1, Th2 or Th17	reactive	−

L-HES, lymphocytic-variant hypereosinophilic syndrome; Th1, T-helper type 1; Th2, T-helper type 2; Th17, T-helper type 17.