Increased incidence of Glanzmann's thrombasthenia in Jordan as compared with Scandinavia.

12 Jordanian patients from 9 families with Glanzmann's thrombasthenia are described. All of them are products of consanguinous marriages. All cases are children with varying severity of mucosal bleeding. The clinical and laboratory findings are described. The importance of consanguinity is discussed and emphasized. Glanzmann's thrombasthenia is the second most common inherited haemorrhagic disorder in Jordan.