Criteria for diagnosing Glanzmann's thrombasthenia include:

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Glanzmann's thrombasthenia is an autosomal recessive disorder in which homozygotes have clinical manifestations. The disorder is characterized by a prolonged bleeding time despite a normal platelet count. Platelet aggregation is also absent in response to ADP, thrombin, collagen, and epinephrine. Therefore, all of the above criteria are necessary for the diagnosis of Glanzmann's thrombasthenia.

Criteria for Diagnosing Glanzmann's Thrombasthenia Include