Gallstone ileus, clinical presentation, diagnostic and treatment approach

Table 1 Frequency of biliary-enteric fistulas in patients with gallstone ileus

Fistula type	Range (%)
Cholecystoduodenal	32.5-96.5
Cholecystogastric	0-13.3
Cholecystojejunal	0-2.5
Cholecystoileal	0-2.5
Cholecystocolic	0-10.9
Choledochoduodenal	0-13.4
Undetermined	0-65

Data expressed in percentage ranges, according to ref. [6,10,11,16,25,30,34,36,55].

Table 2 Site of gastrointestinal obstruction in patients with gallstone ileus

Site	Range (%)
Duodenum	0-10.5
Stomach	0-20
Jejunum	0-50
Jejunum/proximal ileum	0-50
Ileum	0-89.5
Colon	0-8.1
Undetermined	0-25

Data expressed in percentage ranges, according to ref. [6,7,10-12,16,19,25,30,34,36,55].