This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Secondary amyloidosis complicates which of the following 
Select and explain. 
A. Pneumonia, B. Chronic glomerulonephritis, C. Irritable bowel sydrome, D. Chronic osteomyelitis
D: Chronic osteomyelitis
Answer: D: Chronic osteomyelitis 
Explanation: Ref Robbins 9/e p257;8/e p253;7/e p261 TB , bronchiectasis and chronic osteomyelitis were the most impoant underlying conditions but with the advent of effective antimicrobial chemotherapy the connective tissue disorders such as rheumatoid ahritis , ankylosing spondylitis and inflammation bowel disease . paicularly crohn disease and ulcerative colitis