Mosaic ring chromosome 21, monosomy 21, and isodicentric ring chromosome 21: Prenatal diagnosis, molecular cytogenetic characterization, and association with 2-Mb deletion of 21q21.1-q21.2 and 5-Mb deletion of 21q22.3

• Main Authors: Chih-Ping Chen (Author), Yi-Hui Lin (Author), Szu-Yuan Chou (Author), Yi-Ning Su (Author), Schu-Rern Chern (Author), Yu-Ting Chen (Author), Dai-Dyi Town (Author), Wen-Lin Chen (Author), Wayseen Wang (Author)
• Format: Book
• Published: Elsevier, 2012-03-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Objective: To present the perinatal findings and molecular cytogenetic characterization of prenatally detected mosaic r(21). Materials, Methods, and Results: A 29-year-old primigravid woman underwent amniocentesis at 22 weeks' gestation because of hyperechogenic cardiac foci and intrauterine gr...