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What is Teiary lymphoid organs are often seen with which disease? and explain in detail?
In some strong chronic inflammatory reactions, the accumulation of lymphocytes, antigen-presenting cells, and plasma cells may assume the morphologic features of lymphoid organs, paicularly lymph nodes, even containing well-formed germinal centers. These are called teiary lymphoid organs; this type of lymphoid organogenesis is often seen in the synovium of patients with long-standing rheumatoid ahritis. Ref: Robbins 8th edition, Chapter 2.