نتایج جستجو برای: congenital deafness
تعداد نتایج: 126845 فیلتر نتایج به سال:
Waardenburg syndrome (WS) is caused by autosomal dominant mutations, and is characterised by pigmentary anomalies and various defects of neural crest derived tissues. It accounts for over 2% of congenital deafness. WS shows high variability in expressivity within families and differences in penetrance of clinical traits between families. While mutations in the gene PAX3 seem to be responsible f...
The clinical features of the multiple pterygium syndrome are multiple congenital joint contractures, multiple skin webs, camptodactyly, vertebral anomalies, short stature, ptosis, and antimongoloid eye slant. We present 11 new cases to show the evolution of the full phenotype from birth and to confirm autosomal recessive inheritance. We emphasise morbidity secondary to respiratory impairment an...
A preimplantation genetic test to discriminate between severe and mild autism spectrum disorder might be developed in the foreseeable future. Recently, the philosophers Julian Savulescu and Guy Kahane claimed that there are strong reasons for prospective parents to make use of such a test to prevent the birth of children who are disposed to autism or Asperger's disorder. In this paper we will c...
PURPOSE To introduce aplasia or hypoplasia of the vestibulocochlear nerve (VCN) as a possible cause of hearing loss and to identify the magnetic resonance (MR) imaging characteristics of this entity. MATERIALS AND METHODS In seven patients with congenital deafness or unexplained sensorineural hearing loss, MR imaging enabled diagnosis of aplasia or hypoplasia of the VCN. Axial (0.7-mm) three-...
Advances in sequencing technologies and increased understanding of the contribution of genetics to congenital sensorineural hearing loss have led to vastly improved outcomes for patients and their families. Next-generation sequencing and diagnostic panels have become increasingly reliable and less expensive for clinical use. Despite these developments, the diagnosis of genetic sensorineural hea...
introduction: hearing impairment is the most frequent sensorial congenital defect in newborns and has increased to 2–4 cases per 1,000 live births. sensory-neural hearing loss (snhl) accounts for more than 90% of all hearing loss. this disorder is associated with other congenital disorders such as renal, skeletal, ocular, and cardiac disorders. given that congenital heart diseases are life-thre...
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