Acute cholangitis: Does malignant biliary obstruction vs choledocholithiasis etiology change the clinical presentation and outcomes?

Table 1 Cancer type, stage, and location of obstruction in malignant biliary obstruction

	MBO group (n = 56)
Etiology of MBO
Pancreatic cancer	24 (42.9%)
Stage I/II/III/IV	1/6/3/14
Ampulla of Vater cancer	13 (23.2%)
Adenoma	2
Cancer, stage I/II/III/IV	4/3/3/1
CBD cancer	6 (10.7%)
Stage I/II/III/IV	1/4/0/1
Klatskin tumor	3 (5.4%)
Stage I/II/III/IV	0/0/0/3
Metastatic tumor	6 (10.7%)
Hepatocellular carcinoma	2 (3.6%)
Gallbladder cancer	2 (3.6%)
Stage I/II/III/IV	0/0/0/2
Location of obstruction
Distal EHD	46 (82.1%)
Perihilar obstruction	10 (17.9%)
Bismuth-Corlette type I	4
Bismuth-Corlette type II	6

MBO: Malignant biliary obstruction; CBD: Common bile duct; EHD: Extrahepatic bile duct.