Biliary tract schwannoma: A rare cause of obstructive jaundice in a young patient

Table 1 Cases studies of biliary schwannoma in the literature

Observations/references	Age(yr)	Sex	Signals/ symptoms	Initial diagnosis	Location of tumor	Preoperative tissue acquisition
Oden et al[17]	40	F	Abdominal pain + obstructive jaundice	Choledocholithiasis	Commom bile duct	No
Whisnant et al[18]	15	F	Abdominal pain + weight loss + obstructive jaundice		Distal portion of the commom bil duct	No
Complicated by liver abscess, treated with drainage/Balart et al[19]	56	F	Abdominal pain + obstructive jaundice	Cholangiocarcinoma or extrinsic compression of the bile duct	Commom hepatic duct	No
Jakobs et al[20]	37	M	Abdominal pain + obstructive jaundice	Intra-ductal benign tumor	Commom hepatic duct	Yes
Honjo et al[13]	48	F	Obstructive jaundice	Benign non-epithelial tumor	Commom bile duct	Yes (transpapillary brush citology, non-diagnostic)
Otani et al[21]	59	F	Abdominal pain		Remnant bile duct (pancreatic portion)	No
Park et al[22]	53	F	Asymptomatic		Porta hepatis	No
Vyas et al[23]	29	F	Abdominal pain + obstructive jaundice		Commom bile duct	Yes (non-diagnostic)
Kamani et al[24]	39	F	Jaundice + weight loss	Klatskin tumor	Proximal portion of the commom hepatic duct	No
Fenoglio et al[16]	41	F	Obstructive jaundice + weight loss		Middle segment of the commom bile duct	No
Jung et al[4]	64	F	Asymptomatic		Proximal portion of the commom bile duct	No
Madhusudhan et al[5]	46	M	Obstructive jaundice	Variable polypoid cholangiocarcinoma	Intrahepatic bile duct	Yes
Kulkarni et al[7]	38	M	Abdominal pain + weight loss + jaundice		Commom bile duct/porta hepatis	No
Patient has von Recklinghausen's disease/De Sena et al[25]	58	F	Obstructive jaundice	Biliary schwannoma	Extrahepatic bile duct	No
Previous malignant melanoma/Panait et al[26]	54	F	Gastroesophageal reflux symptoms	Recurrent metastatic melanoma	Porta hepatis	Yes (non-diagnostic)

F: Female; M: Male.