In a series of 78 patients with secondary amyloidosis, associated neoplastic diseases were found in 13 (17%). Included are 5 cases of multiple myeloma, 3 cases of lymphoma, and the rest were carcinomas. Cases are reported of patients with carcinoma of the stomach, gall bladder, urinary bladder, kidney or colon, illustrating the various associated neoplasms. The literature concerning the incidence of the two -conditions in relation to each other is reviewed.S. Afr. Med. J., 48, 1944 (1974)