A patient presents with a coagulation disorder characterized by easy bruising, petechiae, and prolonged bleeding after trauma. Laboratory tests reveal a deficiency of platelet glycoprotein Ib. What is the most likely diagnosis?

A Bernard-Soulier syndrome
B Glanzmann thrombasthenia
C Von Willebrand disease
D Platelet storage pool disease
The patient's symptoms and laboratory findings are consistent with Bernard-Soulier syndrome, a rare inherited bleeding disorder caused by a deficiency of platelet glycoprotein Ib.
Williams Hematology
Hematology Hematology: Coagulation Disorders Hematology: Coagulation Disorders Medium MEDICAL Confidence: medium