This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Pathology
A 60 year old female is suffering from renal failure and is on hemodialysis since last 8 years. She developed carpel tunnel syndrome. Which of the following finding will be associated? 
Select and explain. 
A. AL, B. AA, C. ATTR, D. B2 microglobulin
D: B2 microglobulin
Answer: D: B2 microglobulin 
Explanation: .