单词 | trisomy 18 |
释义 | trisomy 18trisomy 18trisomy 18trisomy 18trisomy 18Edwards syndrome A chromosome defect due to duplication of chromosome 18 Clinical Mental retardation, hypotonia, polyhydramnios, FTT, small placenta, low-birth-weight, micrognathia, ASD, VSD, PDA, horseshoe kidney, unilateral or double kidney, double ureter, inguinal or umbilical hernia, nail hypoplasia, cleft lip and palate, deformed skull, low-set malformed ears, short sternum, cryptorchidism Incidence 1:3-11,000 Prognosis Death usually by age 2 |
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