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Rev. cuba. pediatr ; 86(3): 381-389, jul.-set. 2014. ilus
Artigo em Espanhol | LILACS, CUMED | ID: lil-725124

RESUMO

El déficit de 21-hidroxilasa es la forma más frecuente de hiperplasia adrenal congénita, que forma parte de los desórdenes de la diferenciación sexual. Se presentan 3 casos. El primero, un recién nacido de 19 días que es llevado a consulta por presentar desórdenes de los genitales externos. Al examen físico presentaba un clítoris aumentado de tamaño, con orificio uretral en su base y engrosamiento de los rodetes labioescrotales. El diagnóstico se realizó por ultrasonido ginecológico, cromatina sexual, estudios hormonales y cariotipo. El segundo caso, un recién nacido de 15 días que también es llevado a consulta por desórdenes de los genitales externos, con examen físico similar al primer caso, y se le realizaron los mismos complementarios para su diagnóstico. El tercer caso, un lactante de 2 meses de edad, que es llevado a consulta por igual motivo, y que al examen físico se encontró hiperplasia del clítoris, con orificio en su base, y engrosamiento de los labios mayores que estaban fusionados en la línea media. Se le indicaron iguales complementarios. Se diagnosticó en los 3 casos una hiperplasia adrenal virilizante, y se realizó tratamiento sustitutivo hormonal y cirugía reconstructiva de los genitales externos.


Steroid 21-hydroxylase is the most frequent form of congenital adrenal hyperplasia that is part of the sexual differentiation disorders. This article reported 3 cases. The first one was a 19 days-old infant who was taken to the doctor´s because of external genitalia disorders. The physical exam revealed augmented clitoris with urethral orifice in its basis and thickening of the labioscrotal swellings. The patient was diagnosed by means of gynecological ultrasound, sexual chromatin, hormonal studies and karyotype. The second case was a 15 days-old newborn, who was also taken to the doctor´s for external genitalia disorders. The physical exam was similar to that of the first case and the same complementary tests were performed for diagnosis. The third case was a 2 months-old infant who was taken to the medical service for the same reasons, and his physical exam showed clitoris hyperplasia, orifice in its base and thickening of labia majora that fused in the midline. The same complementary tests were indicated. The final diagnosis in these three cases was virilizing adrenal hyperplasia. They were all treated with hormone replacement therapy and reconstructive surgery of their external genitalia.


Assuntos
Humanos , Transtornos do Desenvolvimento Sexual/diagnóstico , Hiperplasia Suprarrenal Congênita , Hiperplasia Suprarrenal Congênita/diagnóstico , Relatos de Casos
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