Spontaneous thrombosis of the arterial duct in a newborn with alloimmune thrombocytopaenia.

We present an uncommon challenging case of spontaneous thrombosis of the arterial duct and with alloimmune thrombocytopaenia in a full-term newborn who presented with respiratory distress, hypoglycaemia dispersed petechiae on the trunk, and significant haemorrhage of the umbilical venous catheter.