KnowraCastleman diseaseLinked fromLinked fromThe 3 pages that link to Castleman disease, each with the reason it gives.All 3Related 2Compared with 1LymphomaCompared with: Enlarged lymph nodes can resemble lymphoma but have a distinct diagnosis and biology.Interleukin 6Related: Excess IL-6 contributes to symptoms in multicentric Castleman disease.TocilizumabRelated: Tocilizumab is used for certain forms, particularly where interleukin-6 drives symptoms.