Unknown

A 20-year-old female presented with complaints of easy bruising, frequent episodes of nose bleed, menorrhagia and few episodes of upper GI bleed also. On examination, purpura and petechial rash were noted. Lab findings revealed, Thrombocytopenia PT- normal aPTT- normal Platelets do not aggregate in response to ristocetin after adding normal plasma Platelets have normal aggregation in response to adenosine diphosphate, epinephrine, and collagen. Normal platelet granules What is the most likely diagnosis in the above patient: -