Resumo

CANTISANO, Claudio et al. Combined immunodeficiency with cutaneous manifestations associated with DOCK8 mutation. Arch. argent. pediatr. [online]. 2014, vol.112, n.4, pp.e147-e151. ISSN 0325-0075.  http://dx.doi.org/10.5546/aap.2014.e147.

Different primary immunodeficiencies present increased levels of IgE and cutaneous infections of viral etiology. We report a case of a 2 y, 8 m old boy with combined immunodeficiency, dermatitis and disseminated molluscum contagiosum. The patient presented high titers of IgE, eosinophilia and pronounced TCD8 lymphopenia. Impaired proliferation assays and abnormal antibody response to vaccination were found. Normal results of ZAP-70 protein, NK function, and HLA I levels, to test quantitatives and functional defects of cytotoxic cells, lead us to suspect a mutation in DOCK8 gene. Positive result in molecular study together with clinical and immunology features in the patient confirmed the diagnosis of this new immunodeficiency, being to the authors' knowledge the first case recorded in a paediatric hospital in our country.

Palavras-chave : Immunodeficiency; Dermatitis; Molluscum contagiosum; DOCK8.

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