Chronic granulomatous disease, a heterogeneous syndrome

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Abstract
Chronic granulomatous disease (CGD) is a clinical syndrome, the unifying characteristics of which are a severe predisposition to bacterial and fungal infections, an impaired ability of phagocytic leukocytes to kill certain microorganisms and the failure of these cells to produce microbicidal oxygen metabolites. In CGD the causal biochemical defect and the mechanism of genetic transmission vary from family to family. At least six different molecular defects have been found to underly the X-linked and at least three other the autosomal recessive form of CGD. Diagnosis of carriers is possible in most instances, and prenatal diagnosis by fetoscopic placental vessel puncture has become feasible.