期刊
JOURNAL OF HUMAN GENETICS
卷 67, 期 11, 页码 675-678出版社
SPRINGERNATURE
DOI: 10.1038/s10038-022-01068-3
关键词
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This article describes a patient with severe early-onset NF2 overlapping with PRS, showing micrognathia, glossoptosis, and a mild form of cleft palate. The patient was found to have a de novo chromosome 22q12 microdeletion including MN1 and NF2.
Pierre-Robin sequence (PRS) is a rare, congenital defect presenting with micrognathia, glossoptosis, and airway obstruction with variable inclusion of a cleft palate. Overlapping PRS with neurofibromatosis type 2 (NF2) is a syndrome caused by a chromosome 22q12 microdeletion including NF2. We describe a patient with severe early-onset NF2 overlapping with PRS that showed micrognathia, glossoptosis, and a mild form of cleft palate. We detected a de novo chromosome 22q12 microdeletion including MN1 and NF2 in the patient. Previous cases of overlapping PRS and NF2 caused by the chromosome 22q12 microdeletions showed severe NF2 phenotypes with variable severity of cleft palate and microdeletions of varying sizes. Genotype-phenotype correlations and comparison of the size and breakpoint of microdeletions suggest that some modifier genes distal to MN1 and NF2 might be linked to the deft palate severity.
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