All of the following NHL involve the white pulp of spleen Except
Hairy cell leukemia is a rare, slow-growing cancer of the blood in which your bone marrow makes too many B cells (lymphocytes), a type of white blood cell that fights infection. These excess B cells are abnormal and look "hairy" under a microscope.
Hairy cell leukemia
Burkitt lymphoma
Follicular lymphoma
Mantle cell lymphoma
Haematology