Prenatal Diagnosis of 4p and 4q Subtelomeric Microdeletion in De Novo Ring Chromosome 4

• Main Authors: Halit Akbas (Author), Naci Cine (Author), Mahmut Erdemoglu (Author), Ahmet Engin Atay (Author), Selda Simsek (Author), Aysegul Turkyilmaz (Author), Mehmet Fidanboy (Author)
• Format: Book
• Published: Hindawi Limited, 2013-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Ring chromosomes are unusual abnormalities that are observed in prenatal diagnosis. A 23-year-old patient (gravida 1, para 0) referred for amniocentesis due to abnormal maternal serum screening result in the 16th week of second pregnancy. Cytogenetic analysis of cultured amniyotic fluid cells reveal...