Table 2.
Clinical features and laboratory investigations
Clinical symptoms | Recurrent infections Bronchiectasis |
Family history of hypogammaglobulinemia | Daughter with CVID |
Hb (130–190 g/l) | 118 |
Neutrophils (1.9–7.5 × E + 9/l) | 1.9 |
Platelets (150–400× E + 9/l) | 208 |
IgG (7–14 g/l) | 3.5 |
IgA (0.8–4 g/l) | < 0.07 |
IgM (0.4–2.5 g/l) | 0.4 |
Autoantibodies | Nil |
Immunophenotype | B cells present |
Switched memory B cells (CD19+ CD27+ , IgD−: NR 5–21) | 1.8 |
Tetanus pre/post (IU/ml) | 0.64/0.52 |
Diphtheria pre/post (IU/ml) | 0.03/0.08 |
HIB pre/post µg/ml | 0.16/0.37 |
Pneumovax® pre/post* (serotypes > 1.3 µg/ml/23) | 0/0 |
Vaccine durability | Not done |
Sequence variations | WES: no causative mutation |
Relevant histology | Nil |
T cell responses | Normal lectin responses Normal responses to tetanus, diphtheria and candida |
Diagnosis | CVID (Ameratunga et al. criteria) |
Treatment | IVIG/SCIG Bariatric surgery |
Clinical outcome | Well |