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Rev. chil. pediatr ; 86(2): 112-116, abr. 2015. ilus
Article in Spanish | LILACS | ID: lil-752888

ABSTRACT

Introducción: La enfermedad granulomatosa crónica (EGC) es una forma infrecuente de inmunodeficiencia primaria que se caracteriza por una sensibilidad anormal a infecciones bacterianas y fúngicas, debida a un déficit en el complejo nicotinamida adenina dinucleótida fosfato oxidasa (NADPH) en los fagocitos. Objetivo: Describir tres casos de EGC con énfasis en su forma de presentación y realizar una revisión del tema. Casos Clínicos: Se presentan tres casos clínicos, dos de ellos con relación de parentesco (primos en primer grado). Se llegó a diagnóstico molecular en uno de los casos. Se destacan las manifestaciones clínicas: infecciones recurrentes, abscesos, adenitis y granulomas, y complicaciones, con la finalidad de facilitar la sospecha diagnóstica de EGC, debido a la importancia del diagnóstico temprano y el consejo genético. Conclusiones: La EGC es un trastorno inmunológico primario congénito infrecuente, con herencia ligada a X en su mayoría, pero también con formas autosómicas recesivas, con una forma de presentación característica y cuyo diagnóstico debe ser oportuno para evitar complicaciones, realizar profilaxis y tratamiento agresivo de las infecciones y consejo genético.


Introduction: Chronic granulomatous disease (CGD) is a rare form of primary immunodeficiency disease, characterized by an abnormal susceptibility to bacterial and fungal infections, and it is caused by a deficit in the phagocyte nicotinamide adenine dinucleotide phosphate oxidase complex (NADPH), resulting in the inability to generate reactive oxygen species that destroy micro-organisms. The diagnosis is based on clinical characteristics and analysis of phagocytes, and later confirmed by molecular studies. Its management should consider antimicrobial prophylaxis, a search for infections and aggressive management of these. Objective: To describe three cases of CGD emphasizing their forms of presentation and to conduct a review of the condition. Case reports: Three case reports, two of them first cousins, are presented. Molecular diagnosis was reached in one of the cases. Recurrent infections, abscesses, adenitis, granulomas and complications are identified to facilitate the suspected diagnosis of CGD, bearing in mind the importance of early diagnosis and genetic counseling. Conclusions: EGC is a rare congenital primary immunodeficiency disorder, mostly with X-linked inheritance, autosomal recessive form, and a specific presentation form. Its diagnosis should be timely to avoid complications. Prophylaxis and aggressive treatment of infections should be performed, as well as genetic counseling.


Subject(s)
Humans , Male , Female , Infant , Child , Adolescent , Phagocytes/metabolism , Molecular Diagnostic Techniques/methods , Granulomatous Disease, Chronic/diagnosis , Genetic Counseling/methods , Granulomatous Disease, Chronic/physiopathology , Granulomatous Disease, Chronic/genetics
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