CONCLUSIONS : Ventriculomegaly and bilateral shortening of the fifth metacarpal bones and the middle phalanges of the fifth fingers might be characteristic features of NAH because of an activating TSHR germline mutation .
O O B-DiseaseOrPhenotypicFeature O O O O O O O O O O O O O O O O O O O O O B-DiseaseOrPhenotypicFeature O O O O B-GeneOrGeneProduct O O O