This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Henoch Schoniein purpura is characterized by all except - 
Select and explain. 
A. Thrombocytopenia, B. Glomerulonerphritis, C. Arthralgia, D. Abdominal pain
A: Thrombocytopenia
Answer: A: Thrombocytopenia 
Explanation: None