Lulu Yan, Liyun Tian, Yuxin Zhang, Yingwen Liu, Juan Cao, Dongmei Li, Jinghui Zou, Haibo Li
OBJECTIVE: To explore the genetic etiology of a child with Cowden syndrome 1 (CS1). METHODS: A child who had visited the Ningbo Women and Children's Hospital on August 26, 2022 was selected as the study subject. Clinical information of the child was collected. Genomic DNA was extracted from peripheral blood samples of the child and his family members and subjected to whole exome sequencing (WES). Candidate variant was verified by Sanger sequencing. RESULTS: The child, a 13-year-old boy, had manifested with severe mental retardation, hyperactivity, autistic behavior, sparse and prominent teeth, macrocephaly, and skin freckles on the penis...
February 10, 2024: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics