A comparison between the macrophage migration inhibition test (MMI) and the leucocyte adherence inhibition test (LAI) in patients with melanoma and carcinoma of the colon.


Patients with progressing tumours have circulating leucocytes which are sensitised to tumour specific antigens and their serum contains blocking factors. Patients who have tumours which have been successfully destroyed do not have circulating blocking factors although their lymphocytes continue to remain sensitised to the tumour antigens. Two tests, known… (More)