Comparison to gray<unk>  syndrome<unk>  differs from gray<unk>  syndrome (GPS), one of the giant<unk>  syndromes. GPS is characterized by "thrombocytopenia, abnormally large agranular<unk> s in peripheral blood smears, and almost total absence of<unk>  alpha-granules and their constituents." The defect in GPS is the failure of megakaryocytes to package secretory proteins into alpha-granules. Patients with the GPS are affected by mild to moderate bleeding tendencies.
Pseudo gray platelet syndrome
Sticky platelet syndrome
Gray platelet syndrome
Quebec platelet disorder
Harris platelet syndrome
Giant platelet disorder
COAT platelet defect
Factor VII deficiency