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Difference of Prenatal Ultrasound in the Diagnosis of Absence of Nasal Bone and Short Nasal Bone in Fetuses / 中国医学影像学杂志
Chinese Journal of Medical Imaging ; (12): 923-925, 2017.
Article in Chinese | WPRIM | ID: wpr-706430
ABSTRACT
Purpose To explore the difference of prenatal ultrasound in the diagnosis of absence of nasal bone and short nasal bone in fetuses.Materials and Methods The clinical data of 23 131 pregnant women who received prenatal ultrasound system screening in the second trimester in the Third Affiliated Hospital of Zhengzhou University from August 2015 to July 2016 were analyzed retrospectively.The fetuses with absence of nasal bone and short nasal bone as well as the types of complicated malformation were recorded respectively,among whom those with chromosomal examination had their chromosomal results recorded.The fetuses were grouped for analysis based on absence of nasal bone,short nasal bone and whether they were complicated with malformation.Results Sixtynine fetuses had abnormal development of nasal bone,among whom 24 cases had absence of nasal bone (7 cases were complicated with malformation) and 45 cases had short nasal bone (13 cases were complicated with malformation),but there was no significant difference in the ratio of complicated malformation between fetuses with absence of nasal bone and those with short nasal bone (P>0.05).Of the 41 cases with analysis of chromosomal karyotypes,32 cases had single abnormal development of nasal bone (4 cases had chromosomal abnormality) and 9 cases had abnormal development complicated malformation of nasal bone (7 cases had chromosomal abnormality),and the occurrence rate of chromosomal abnormality in abnormal development complicated malformation of nasal bone was notably higher than that in single abnormal development of nasal bone (P<0.05).A total of 32 fetuses with single abnormal development of nasal bone received chromosomal examination,among whom 4 cases had chromosomal abnormality.Of the 32 fetuses,9 cases had single absence of nasal bone (one had chromosomal abnormality) and 23 cases had single short nasal bone (3 cases had chromosomal abnormality).However,there was no significant difference in the ratio of chromosomal abnormality between fetuses with single absence of nasal bone and those with single short nasal bone (P>0.05).Conclusion Abnormal development complicated with malformation of nasal bone is of great significance in the evaluation of chromosomes.And there is no significant difference in the ratios of complicated malformation and chromosomal abnormality between fetuses with absence of nasal bone and those with short nasal bone.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Medical Imaging Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Medical Imaging Year: 2017 Type: Article