to compare patients with crohn 's disease and patients with ulcerative colitis we have studied some immunological parameters ( level of igm , igg and iga in the serum , number of lymphocytes , e rosettes ) and the immunological reactivity to antigens from colon carcinoma and to colon antigens prepared from healthy and from colon tissue altered by crohn 's disease ( antigen specific rosette test , mem-test , antibody titer ) .
C0699790
colon carcinoma
C0009368
colon