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| http://dx.doi.org/10.1136/bcr-2021-242658 | DOI Listing |
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TTC7A Variants Results in Gastrointestinal Defects and Immunodeficiency Syndrome: Case Series and Literature Review.
Clin Rev Allergy Immunol
January 2025
Department of Neonatal Surgery, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China.
Gastrointestinal Defects and Immunodeficiency Syndrome-1 (GIDID-1), caused by abnormalities in TTC7A, is an autosomal recessive disorder characterized by multiple gastrointestinal malformations and immune deficiencies, often accompanied by inflammatory bowel disease (IBD). This condition typically results in poor treatment outcomes and is usually fatal in early infancy. This paper examined the genetic abnormalities and clinical features of GIDID by analyzing data from three children and one fetus with gastrointestinal dysfunction and immune deficiency associated with TTC7A abnormalities at our hospital, and reviewed reported cases worldwide.
View Article and Find Full Text PDFEarly differential diagnosis of cystic biliary atresia and choledochal cyst in the fetus: A multicenter retrospective study.
J Hepatobiliary Pancreat Sci
January 2025
Department of Neonatal Surgery, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.
Background/purpose: Fetal hilar cyst is primarily diagnosed as two diseases after birth, cystic biliary atresia (CBA) and choledochal cyst (CC). The aim of our study was to explore more reliable indicators in early differential diagnosis of these cysts.
Methods: We recruited a total of 50 cases with a prenatal diagnosis of hepatic cyst at three centers, and patients were divided into a CBA group (n = 16) and CC group (n = 34) according to postnatal intraoperative diagnosis.
Improving prenatal diagnosis with combined karyotyping, CNV-seq and QF-PCR: a comprehensive analysis of chromosomal abnormalities in high-risk pregnancies.
Front Genet
January 2025
Department of Laboratory, The Second People's Hospital of Yibin City, Yibin, Sichuan, China.
Objective: This study aims to assess the diagnostic efficacy of a combined approach integrating chromosomal karyotyping, copy number variation sequencing (CNV-seq), and quantitative fluorescence polymerase chain reaction (QF-PCR) in detecting chromosomal abnormalities in high-risk pregnancies.
Methods: This retrospective study analyzed 617 high-risk pregnancies undergoing prenatal diagnosis from February 2023 to August 2024, with amniotic fluid samples concurrently analyzed using karyotyping, CNV-seq, and QF-PCR. We evaluated clinical characteristics, diagnostic yields, and inter-method concordance rates.
Case report of recurrent vasa previa.
Australas J Ultrasound Med
February 2025
Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology Beth Israel Deaconess Medical Center Boston Massachusetts USA.
Introduction: Vasa previa is a complication of pregnancy, which affects approximately 1:1200 pregnancies, and when undiagnosed prenatally, it can be associated with significant perinatal mortality. This condition is thought to be a sporadic entity without known genetic or familial associations and thus considered to carry a negligible recurrence risk.
Key Findings: We present a case of a 42-year-old gravida 3 para 2 diagnosed on transvaginal ultrasound with a vasa previa at 34 weeks associated with vaginal bleeding, which required an urgent caesarean in a prior spontaneous pregnancy.
Noninvasive prenatal diagnosis (NIPD) of non-syndromic hearing loss (NSHL) for singleton and twin pregnancies in the first trimester.
Orphanet J Rare Dis
January 2025
Genetic and Prenatal Diagnosis Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Background: Noninvasive prenatal diagnosis (NIPD) has been proven feasible for non-syndromic hearing loss (NSHL) in singleton pregnancies. However, previous research is limited to the second trimester and the application in twin pregnancies is blank. Here we provide a novel algorithmic approach to assess singleton and twin pregnancies in the first trimester.
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