the results 1 ) confirm the light microscopic observation that nodular lymphocytic lymphoma may progress to diffuse histiocytic lymphoma and 2 ) offer further evidence that histiocytic lymphomas arising in patients with previous b cell malignancies are most probably related to the original b cell proliferation and do not represent the emergence of a second , separate malignant clone .
C0004561
b
C1155008
b cell proliferation