“…ECP, which is similar in some ways to PUVA, is currently used for the treatment of cutaneous T-cell lymphoma (CTCL) and has proved beneficial in autoimmune diseases such as pemphigus vulgaris, lupus and scleroderma, and in the treatment of rejection after organ transplantation (CostanzoNordin et al, 1992;Dall'Amico et al, 1995;Edelson et al, 1987;Knobler et al, 1992;Rook et al, 1990Rook et al, , 1992Rose et al, 1992). ECP is performed by treating lymphocytes, removed from the patients by leukapheresis, with 8-MOP and UVA in an extracorporeal system.…”