“…2The peripheral blood and oral lesions of OLP patients showed T lymphocyte distribution different from that of healthy people, with abnormal increase of cytokines TNF-α and IFN-γ (25,26). The peripheral blood of HT patients also showed similar phenomenon (27,28), so this immunological change may be the common pathogenesis of both, and OLP and HT may also be two clinical manifestations of a certain syndrome.…”