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Non-syndromic Hirschsprung's disease as a result of a RET gene variant.
INTRODUCTION: Hirschsprung's disease (HD) is characterized by the absence of ganglion cells in the submucosal and myenteric plexuses of the colon as a result of disorders in the migration and differentiation of enteric neural crest cells during embryogenesis. It is a cross-factor condition, with more than 11 genes identified in its pathogenesis, including the RET proto-onco gene.
CASE REPORTS: We present the case of two siblings with total colon HD where a potentially pathogenic variant of the RET gene was found. Their father also had this condition.
DISCUSSION: Prenatal diagnosis through genetic testing allows for informed decisions and care planning for the newborn, thus reducing delayed diagnosis and treatment, and minimizing long-term complications. Mutations such as the RET gene variant highlight the importance of the genetic approach in understanding and managing HD.
CASE REPORTS: We present the case of two siblings with total colon HD where a potentially pathogenic variant of the RET gene was found. Their father also had this condition.
DISCUSSION: Prenatal diagnosis through genetic testing allows for informed decisions and care planning for the newborn, thus reducing delayed diagnosis and treatment, and minimizing long-term complications. Mutations such as the RET gene variant highlight the importance of the genetic approach in understanding and managing HD.
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