Neurofibromatosis-Noonan syndrome (NFNS) is a rare autosomal dominant hereditary disease. We present a case of NFNS due to the heterozygous deletion of exons 1–58 of the NF1 gene on chromosome 17 in a 15-month-old boy. | Chinese patient with neurofibromatosis-Noonan syndrome caused by novel heterozygous NF1 exons 1 58 deletion A case report