Beschreibung:
<jats:p>The most common haemostasis disorders are haemophilia A, B and von Willebrand disease. Symptoms of congenital bleeding diathesis can be observed in early childhood, and are easy to recognize. Medical literature describes cases of late diagnosis of haemostasis disorders. These cases are usually detected accidentally, and they can present a serious diagnostic and therapeutic problem. In this article, the authors describe a patient with massive maxillofacial trauma in whom a haemostasis disorder was detected and diagnosed as haemophilia B. Detection of this disorder was of significant importance for the treatment of the primary disease, i.e. maxillofacial injuries.</jats:p>