Table 1: Niemeier’s classification of gallbladder perforation
[4].
Type |
Onset |
Explanation |
Type 1 |
Acute |
Involves perforation of
the gallbladder into the peritoneal cavity; it is not surrounded by any
protective adhesions |
Type 2 |
Subacute |
Consists of a perforated
gallbladder surrounded by an abscess that is walled off by adhesions |
Type 3 |
Chronic |
Includes the formation of
a fistula between the gallbladder and some viscera |