Glanzmann's Thrombasthenia -2
Laboratory features:
Normal platelet morphology
Normal platelet count
Prolonged bleeding time
Abnormal clot retraction studies
Aggregation studies:
Abnormal aggregation to all aggregating agents
except ristocetin which is normal
Platelet Factor 3 (PF3) studies abnormal
Clinical features:
Severe and disabling
Treatment:
Platelet transfusions
Alloantibodies may be formed
Apheresis unit one of choice