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throughout the body) and other lymphoid tissues (such as the spleen, bone marrow, and. some other organs, including the skin). Lymphomas can start in any of these places. When a non-Hodgkin lymphoma starts only in the skin (not in other organs or tissues) it. is called a skin lymphoma (or cutaneous lymphoma). A lymphoma that starts in lymph. nodes or another part of the body and then spreads to the skin is not a skin lymphoma. (because it didnât start there).
B cells, T cells, and NK T cells are lymphocytes. lymphoid organ âan organ of the immune system where lymphocytes develop and congregate. These organs include the bone marrow, thymus, lymph nodes, spleen, and various other clusters of lymphoid tissue.Blood vessels and lymphatic vessels are also lymphoid organs. cells, T cells, and NK T cells are lymphocytes. lymphoid organ âan organ of the immune system where lymphocytes develop and congregate. These organs include the bone marrow, thymus, lymph nodes, spleen, and various other clusters of lymphoid tissue.