Role of staging laparoscopy in peri-pancreatic and hepatobiliary malignancy

Table 4 Studies assessing the role of staging laparoscopy in biliary tract tumor

Study/years	Time period	No. of patient	Contraindication found during laparoscopy (%)	Contraindication found during laparotomy (%)	Morbidity/Mortality	Note
Weber et al[42]/2002	1997-2001	100	35	52	0	Extrahepatic biliary carcinoma
Tilleman et al[44]/2002	1993-2000	110	41.8	47	3%/0	Malignant proximal bile duct obstruction with ultrasonography
Connor et al[43]/2005	1992-2003	84	41.5	48	NA	Hilar cholangiocarcinoma with ultrasonography
Goere et al[41]/2006	2002-2004	39	36	37	6%/0