Introduction: The current view of primary immunodeficiency diseases (IDP) includes an increasing number of syndromes that are associated with immune dysregulation and autoimmunity as predominant characteristics. Autoimmune cytopenias may be the first sign of dysregulation that precedes the classic presentation of primary immunodeficiency, with recurrent or opportunistic infections. The knowledge of a spectrum of potentially involved diseases (hematological, rheumatological and immunological) is crucial for the identification of a certain proportion of genotypes and phenotypes of other diagnoses described. It will also allow excluding disorders such as systemic lupus erythematosus, common variable immunodeficiency, autoimmune lymphoproliferative syndrome; as well as making novel differential diagnoses such as GATA2 deficiency, CD27 deficiency, lipopolysaccharide sensitivity deficiency, activated delta phosphoinositol-3-kinase syndrome, X-linked immunodeficiency with magnesium deficiency and others. Objective: This review provides a conceptual synopsis of the appearance of cytopenias in the IDPs with the purpose of updating current knowledge on this topic and increasing the perception, of both hematologists and immunologists, in relation to the presentation of cytopenias as manifestation of these diseases. Methodos: Original and experimental articles published in the 2009-2019 decade were reviewed in some databases of the Virtual Health Library (VHL) of Cuba. Conclusions: As the self-limited benign forms of post or parainfectious autoimmune cytopenia, or childhood acquired autoimmune neutropenia, which generally occur independently of a recognized underlying IDP, many of the cytopenias that accompany this disease (but not all) mediated by autoantibodies. It is essential, then, that doctors assess, given the clear evidence of cytopenia, that it may be autoimmune.
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