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Revista Cubana de Hematología, Inmunología y Hemoterapia

versión impresa ISSN 0864-0289versión On-line ISSN 1561-2996

Resumen

KOKUINA, Elena et al. Association between the human herpesvirus 8 and the diffuse nodular lymphoid hyperplasia of the small intestine in common variable immunodeficiency. Rev Cubana Hematol Inmunol Hemoter [online]. 2009, vol.25, n.3. ISSN 0864-0289.

The common variable immunodeficiency (CVID) is the more frequent primary immunodeficiency in clinical field and its presentation forms are very variable. We describe the case of a women presenting with adult CVID with chronic diarrhea syndrome, weight loss and diffuse lymphadenopathies, where the more marked immunologic features were a deep hypogammaglobulinemia of the three major kinds of immunoglobulins and numerical decrease of B cells (CD19+) and NK cells (CD3-CD56+) in peripheral blood. Biopsy of small intestine obtained by video-assisted panendoscope, showed the presence of a multinodular lymphoid hyperplasia with partial atrophy of hairinesses. Immunohistochemistry showed that nodules were high germinal centers with distribution of B cells (CD20+) and T cells (CD3+), similar to that of normal follicle. There was not differential expression of the K and λ light chains. The real time polymerase chain reaction (QRT-PCR) method detected many copies from the genome of type 8 human herpesvirus (VHH-8) (133 copies/µL of DNA) in biopsy of intestinal nodule DNA. VHH-8 infection may to be a significant factor in pathogenesis of lymphoproliferative disorders in patients presenting with CVID.

Palabras clave : Common variable immunodeficiency (CVIN); human herpesvirus 8; intestine lymphoid hyperplasia.

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