“…From the group of patients dealt with in our review, only one had circulating immune complexes and cryoglobulins were detected in two. Finally, it is possible that the association between neoplasms and GN is a coincidence, with independent evolution presented in some cases (Hyman et al, 1973: Banks et al, 1984. However, the discovery of a greater incidence of neoplasms in some types of GN (Lee et al, 1966;Gluck et al, 1973;Biava et al, 1984;Row et al, 1975) would lend support to a causal relationship.…”