A point mutation of ATG(Met) to ACG(Thr) at codon 918 in exon 16 of RET protooncogene was detected in this patient,but no such mutation in the parents.

• 检测到患者RET原癌基因第 16外显子 918密码子存在ATG(Met) /ACG(Thr)点突变 ,而在患者父母中未检测到该突变。