Our QQ this month is a quiz question with one correct answer. You perform platelet aggregometry. Aggregation results are normal in response to all agonists except ristocetin. You rule out VWD. What diagnosis could it be?

Bernard-Soulier syndrome
61% (47 votes)
Glanzmann thrombasthenia
23% (18 votes)
Aspirin-like syndrome
10% (8 votes)
Storage pool deficiency
5% (4 votes)
Total votes: 77