Overview of the initial characteristics of patients with multirefractory ITP. *Biological: antinuclear antibodies or direct antiglobulin test positivity. **Antiphospholipid syndrome, n = 1; lupus erythematosus, n = 1; Evans’ syndrome (wAIHA), n = 3. ***Lymphoma (n = 3), chronic myelomonocytic leukemia (n = 1), cold agglutinin disease (n = 1), Waldenström macroglobulinemia (n = 1), smoldering myeloma (n = 1). ANA, antinuclear antibody; CGD, chronic granulomatous disease; DAT, direct antiglobulin test.