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Published on: December 15, 2011
The dermatosis of chronic granulomatous disease
M M Chowdhury1, A Anstey, C N Matthews
1Department of Dermatology, Royal Gwent Hospital, Newport, UK.
Insights
This study reports a family with X-linked chronic granulomatous disease (CGD). Affected males had impaired leukocyte oxidative burst, while female carriers experienced chronic inflammatory skin conditions.
Area of Science:
- Immunology
- Genetics
- Dermatology
Background:
- Chronic Granulomatous Disease (CGD) is a primary immunodeficiency disorder.
- X-linked CGD is characterized by mutations in the CYBB gene, affecting the cytochrome b component of NADPH oxidase.
- The NADPH oxidase complex is crucial for the oxidative burst in phagocytes.
Observation:
- A three-generation family with X-linked cytochrome-negative CGD is presented.
- Affected males exhibited marked impairment in polymorphonuclear leucocyte oxidative burst activity.
- Female carriers presented with chronic inflammatory skin disorders, specifically slowly fluctuating erythematous plaques.
Findings:
- Confirmed diagnosis of CGD in male patients through impaired oxidative burst and absence of cytochrome b subunits.
- Identified a correlation between female carrier status and chronic inflammatory dermatosis.
- Detailed clinical and laboratory findings in affected males and carrier females.
Implications:
- Highlights the clinical spectrum of X-linked CGD, including manifestations in female carriers.
- Emphasizes the importance of genetic and functional testing for CGD diagnosis.
- Contributes to understanding the dermatological manifestations associated with CGD and its carrier state.
Abstract:
A family with X-linked cytochrome-negative chronic granulomatous disease (CGD) involving three generations is reported. The diagnosis of CGD in both the latest male patient and the index male was confirmed by marked impairment in polymorphonuclear leucocyte oxidative burst activity in association with absence of both subunits of cytochrome b. The two female carriers have suffered from chronic inflammatory skin disorders characterized by slowly fluctuating erythematous plaques. The reported cases are discussed in the context of a literature review of the dermatosis of CGD.
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