<unk>  occurs in approximately 0.1% of patients with gallstones. It is found in 0.7 to 2.5 percent of cholecystectomies. It affects males and females equally, but tends to affect older people more often. There is no evidence of race having any bearing on the epidemiology.
Mirizzi's syndrome
Hartnup disease
Ascher's syndrome
Meckel's diverticulum
Cord colitis syndrome
Bloom syndrome
Löffler's syndrome
Schnitzler syndrome