csf studies showed increased levels of b cells with surface igg in two cases of immunoblastoma , and increased igg levels with light chains in two cases each immunoblastoma and of pleomorphic immunocytoma , while one case of immunoblastoma showed a normal t cell to b cell ratio with increased monoclonal and surface , igm suggesting some morphological and immunological heterogeneity of these lymphomas .
C0004561
b cells
C0334633
immunocytoma