ABSTRACT
The aim of this study was to investigate the correlation between ABO blood groups, secretory status and chronic cholecystitis with or without peptic ulceration. This study was conducted on 30 patients [18 males and 12 females] proved by abdominal ultrasound to have chronic cholecystitis either calcular or non-calcular. Our results showed that there was a significant correlation between blood group A with positive secretory status and chronic cholecystitis either calcular or non-calcular. Also, chronic non-calcular cholecystitis was frequent in patients with blood group 0 with negative secretory status. Duodenal ulcer was significantly present in patients with blood group A with positive secretory status and blood group 0 with negative secretory status when compared with other blood groups. From the above results we suggest that both chronic cholecystitis and duodenal ulcer might have the same genetic predisposition