What is Genomic Imprinting?

Discussion Silver-Russell syndrome (SRS) is a rare genetic syndrome first characterized by Silver in 1953 and Russell in 1954. Patients with SRS have characteristic growth patterns and clinical findings, although within an individual patient there are phenotypical differences. Patients are born small-for-gestational age (SGA) but have a relative macrocephaly. There is postnatal growth failure and difficulty feeding, with a very low body mass index. Body asymmetry (e.g. hemihypertrophy) and facial features (i.e. protruding forehead, triangular facies, micrognathia, dental anomalies, downturned mouth corners, and ear anomalies) are characteristic features. Patients need multidisciplinary specialist care. SGA and feeding difficulties make patients often difficult to manage. Patients have low...

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