Overview of Lymphoma
Lymphomas are a heterogeneous group of tumors arising in the reticuloendothelial and lymphatic systems. The major types are Hodgkin lymphoma and non-Hodgkin lymphoma (NHL— Comparison of Hodgkin Lymphoma and Non-Hodgkin Lymphoma).
Comparison of Hodgkin Lymphoma and Non-Hodgkin Lymphoma
Lymphomas were once thought to be absolutely distinct from leukemias. However, better understanding of cell markers and tools with which to evaluate those markers now show that the distinction between these 2 cancers is often vague. The notion that lymphoma is relatively restricted to the lymphatic system and leukemias to the bone marrow, at least in early stages, is also not always true.