Presentation Information
[O4-4]High proportion of monosomy 21 cells revealed by chromosomal microarray in a patient with ring chromosome 21 mosaicism
○Kenta Hasumi1,2, Miyu Fukushima1,2, Mariko Sagara1,2, Sayuri Oda1,2, Hiroyuki Kuramitsu1,2, Masahiro Koyama2, Yusuke Oguchi3, Miwako Kizumi3, Daiju Oba3, Hirofumi Ohashi3 (1.Genetic Laboratory, Saitama Children's Medical Center, Saitama, Japan, 2.Department of Clinical Laboratory, Saitama Children's Medical Center, Saitama, Japan, 3.Department of Medical Genetics, Saitama Childlen's Medical Center, Saitama, Japan)