Distribution of Abo Blood Groups in Patients with Pernicious Anemia, Gastric Carcinoma and Gastric Carcinoma Associated with Pernicious Anemia

Abstract

THERE is increasing evidence of an association between the ABO blood groups and certain diseases of the upper gastrointestinal tract.1 , 2 This association has been noted with gastric carcinoma and with the gastric atrophy of pernicious anemia, both of which appear to occur more frequently among persons of blood group A than among those of blood group O.As part of studies of the relation between gastric atrophy and gastric carcinoma, we have determined the distribution of ABO blood groups for 158 patients with pernicious anemia, 337 patients with gastric carcinoma and 32 patients with pernicious anemia in whom gastric carcinoma . . .