A patient with a history of easy bruising and bleeding is found to have a platelet count of 50,000/μL and a prolonged bleeding time. What is the most likely diagnosis?

A Immune thrombocytopenic purpura (ITP) ✓
B Thrombotic thrombocytopenic purpura (TTP)
C Platelet function disorder
D Bone marrow failure syndrome

Explanation

ITP is an autoimmune disease characterized by low platelet count and prolonged bleeding time, leading to easy bruising and bleeding.

Source

Harrison's Principles of Internal Medicine, 20th edition
Hematology Hematology: Coagulation Disorders Hematology: Coagulation Disorders Medium MEDICAL Confidence: high