Transient Abnormal Myelopoiesis in a Newborn with Mosaic Down Sydrome

Infants with Down Syndrome (DS; trisomy 18) are under the risk for development of Transient Abnormal Myelopoiesis (TAM) during newborn period. TAM is mostly seen in classical form of DS but also might be seen in infants with mosaic type of DS. 4-10 % of infants with DS develop TAM. Most of infants with TAM, do not need any treatment and go into remission. Here, we tried to arouse interest on a newborn who has been consulted with compaints of vomiting and bloody stool and diagnosed as DownSyndrome with TAM