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    Malformaci贸n Adenomatoidea del pulm贸n. Reporte de casos y revisi贸n de la literatura.

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    Congenital pulmonary malformations are a rare entity in pediatrics. Among them, cystic adenomatoid malformation of the lung is the most frequent entity, followed by pulmonary sequestration and bronchogenic cyst. These entities can be diagnosed early in the prenatal stage using high-definition ultrasound and fetal magnetic resonance. A retrospective study of this malformation has been carried out to know the clinical signs, diagnosis and evolution. Five clinical cases of pulmonary adenomatoid malformation were presented, three of them with early diagnosis: the first one with evolution to malignant tumor, the second with extralobar accessory pulmonary sequestration and the third with erroneous diagnosis of cystic adenomatoid malformation. Five clinical cases of cystic adenomatoid malformation were presented, three of them with early diagnosis: the first one with evolution to malignant tumor, the second with extralobar accessory pulmonary sequestration and the third with erroneous diagnosis of cystic adenomatoid malformation. The other two cases associated to the cystic adenomatoid malformation showed a pulmonary sequestration based on the importance of early diagnosis of congenital anomalies in the prenatal stage. This malformation is a congenital pulmonary disease, whose prenatal assessment is carried out effectively by means of the ultrasound technique and fetal magnetic resonance. It presents clinical picture with variable and specific radiological characteristics, facilitating an early diagnosis to avoid complications.Las malformaciones cong茅nitas pulmonares son una entidad rara en pediatr铆a. Entre ellas, la malformaci贸n adenomatoidea qu铆stica pulmonar es la entidad m谩s frecuente, seguida del secuestro pulmonar y del quiste broncog茅nico. Con la ecograf铆a de alta definici贸n y la resonancia magn茅tica fetal, se pueden diagnosticar estas entidades de forma precoz en la etapa prenatal. Para conocer la cl铆nica, el diagn贸stico y la evoluci贸n se ha realizado un estudio retrospectivo de esta malformaci贸n. Se presentaron cinco casos cl铆nicos de malformaci贸n adenomatoidea pulmonar, tres de ellos de diagn贸stico precoz: el primero con evoluci贸n a tumor maligno, el segundo con un secuestro pulmonar accesorio extralobar y el tercero con diagn贸stico err贸neo de malformaci贸n adenomatoidea qu铆stica. Los otros dos casos asociados a la malformaci贸n adenomatoidea qu铆stica, mostraron un secuestro pulmonar basado en la importancia del diagn贸stico precoz de las anomal铆as cong茅nitas en la etapa prenatal. Esta malformaci贸n es una enfermedad cong茅nita pulmonar, cuya valoraci贸n prenatal se realiza eficazmente por medio de la t茅cnica  ultrasonogr谩fica y resonancia magn茅tica fetal. Se presenta cuadro cl铆nico con variables y caracter铆sticas espec铆ficas radiol贸gicas facilitando un diagn贸stico precoz para evitar complicaciones
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