
Sẵn sàng hỗ trợ
Patau syndrome, also called trisomy 13, is a clinical syndrome that occurs when all or some cells of the body contain an extra copy of chromosome 13.
Edwards syndrome (trisomy 18) is a chromosomal disorder caused by an extra chromosome 18, leading to multiple severe congenital anomalies and high mortality. Recent advances in medical care have improved survival, requiring individualized, multidisciplinary management and supportive family-centered care.
Down syndrome (trisomy 21) is a genetic disorder caused by the presence of all or a portion of a third chromosome 21. Patients typically present with mild to moderate intellectual disability, growth retardation, and characteristic facial features.