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[Common variable immunodeficiency: one or multiple illnesses? 3 clinical cases].

L Mouthon¹, P Cohen, C Larroche

¹Service de Médecine Interne, Hôpital Avicenne, Bobigny.

Annales De Medecine Interne

|October 16, 1999

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Common variable immunodeficiency (CVID) is a complex antibody deficiency. This study highlights CVID

Area of Science:

Immunology
Clinical Medicine

Background:

Common variable immunodeficiency (CVID) is a primary immunodeficiency characterized by hypogammaglobulinemia and impaired B-cell differentiation.
It leads to increased susceptibility to recurrent bacterial infections, autoimmune disorders, and granulomatous diseases.
The heterogeneous clinical and immunological presentation of CVID poses diagnostic challenges.

Observation:

Presents case reports of three patients with Common variable immunodeficiency (CVID).
Illustrates the diverse clinical and immunological manifestations of CVID.
Highlights the heterogeneity in patient presentations.

Findings:

Discusses CVID heterogeneity through case examples.
References a classification system for CVID into four clinical entities.

Related Experiment Videos

These entities include presentations mimicking X-linked agammaglobulinemia and X-linked hyper-IgM syndrome, as well as associations with granulomatous and autoimmune diseases.

Implications:

Emphasizes the importance of recognizing CVID heterogeneity for accurate diagnosis and management.
Suggests that a recent classification aids in understanding distinct CVID clinical phenotypes.
Underscores the need for tailored approaches based on specific CVID subtypes.