calcification-moth-eaten (HEM) skeletal dysplasia, is a rare... (215140) more...MalaCards based summary: Hydrops, Ectopic Calcification, Moth-Eaten Skeletal Dysplasia, also known as greenberg dysplasia, is related to smith-lemli-opitz syndrome and skeletal dysplasias, and has symptoms including abnormality of the ribs, lymphedema and brachydactyly syndrome.