[Congenital afibrinogenemia: about a case].

Afibrinogenemia is a rare dyscrasia characterized by a congenital fibrinogen deficiency It is transmitted in an autosomal recessive manner. Hemorrhagic manifestations are variable and can be life-threatening. A little more than 250 cases have been published up till now. We here report a new case of congenital afibrinogenemia in a 3 1/2-year old child hospitalized for medium abundance hematemesis. This case study aims to highlight numerous aspects of this condition from a clinical, biological, genetic and therapeutic points of view.