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Only four families have been reported. We present a family with five affected individuals (mother, three sons, and daughter). The mother's phenotype was relatively mild: borderline tall stature and elongated halluces operated during childhood. The children were remarkably more severely affected with tall stature, scoliosis, and elongated toes and fingers leading to suspicion of Marfan syndrome. Progressive valgus deformities (at the hips, knees, and ankles) were the main complaints and necessitated orthopedic investigations and surgery. Radiographs showed coxa valga, scoliosis, multiple pseudoepiphyses of the fingers and toes with uneven elongation of the digits and ankle valgus. The two older brothers underwent osteotomies and guided growth for axial deformities and arthrodesis for elongated halluces. Genetic testing confirmed the clinical diagnosis of ECDM: all affected individuals had a heterozygous c.2647G&gt;A (p.Val883Met) <jats:italic>NPR2<\/jats:italic> variant in a highly conserved region in the carboxyl\u2010terminal guanylyl cyclase domain. This two\u2010generation family elucidates the clinical and radiological variability of the disease. These rare cases are important to gain further understanding of the fundamental processes of growth regulation.<\/jats:p>","DOI":"10.1002\/ajmg.a.61923","type":"journal-article","created":{"date-parts":[[2020,10,19]],"date-time":"2020-10-19T08:48:42Z","timestamp":1603097322000},"page":"112-118","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["A new family with epiphyseal chondrodysplasia type Miura"],"prefix":"10.1002","volume":"185","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7651-8485","authenticated-orcid":false,"given":"Vladimir","family":"Kenis","sequence":"first","affiliation":[{"name":"H. 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