Oumeslakht, L., Ingen-Housz-Oro, S., Decroos, A., de Masson, A., Ram-Wolff, C., Bensussan, A., Lechapt, E., El Fatimy, R., Giustiniani, J., Ben Mkaddem, S. and Ortonne, N. (2026) “ICOS/ICOSL coexpression in Sézary syndrome reveals a potential tumorpromoting T-cell interaction”, Haematologica. Pavia, Italy. doi: 10.3324/haematol.2026.301825.