“…In fact, the scientifi c work-up of such patients has also a substantial impact on clinical research and clinical management, since new syndromes may be detected or simply, clinical guidance is provided to others confronted with similar problems. In the current edition, several articles covering hemostaseologic themes focus on rare disorders such as neonatal aortic thrombosis (see pages 134 -139 , one of the few rare neonatal hemostaseologic emergencies [15] , or inherited platelet disorders e. g. Glanzmann thrombasthenia (see pages 150 -153 ). Among the oncologic articles, one report describes germ cell tumor metastases to the central nervous system in children (see pages 140 -144 ).…”