Arantza Onaindia, Sonia González de Villambrosía, Lucía Prieto-Torres, Socorro M Rodríguez-Pinilla, Santiago Montes-Moreno, Carmen González-Vela, Miguel A Piris. DUSP22-rearranged anaplastic lymphomas are characterized by specific morphological features and a lack of cytotoxic and JAK/STAT surrogate markers. Haematologica 2019;104(4):e158-e162; https://doi.org/10.3324/haematol.2018.205880.