Schwannoma in the hepatoduodenal ligament: A case report and literature review

Table 1 Clinical characteristic of the four patients with benign schwannoma in the hepatoduodenal ligament

Ref.	Year	Sex/age	Symptom	Imaging method	No.	Size (cm)	Preoperative diagnosis	Treatment	Follow-up (mo)	Status
Nagafuchi et al[6]	1993	F/62	Asymptomatic	US, CT, ERC, CA	Solitary	9 × 5 × 4.5	NA	Laparotomy	26	Survived
Pinto et al[7]	2011	M/29	Asymptomatic	US, endoscopy, US, biopsy, MRI	Solitary	4.5 × 2.9	Spindle cell neoplasia or stromal tumor	Laparotomy	NA	NA
Tao et al[8]	2016	M/50	Right abdominal pain	US, CT	Solitary	4.5 × 2.5 × 2.5	Stromal tumor	Laparoscopic surgery	7	Survived
Present case	2016	M/43	Asymptomatic	US, CT, MRCP, CTA, ERCP	Solitary	8.5 × 5.5 × 3.0	Abdominal mass	Laparotomy	17	Survived

NA: Not available; US: Ultrasound; CT: computed tomography; MRI: Magnetic resonance imaging; MRCP: Magnetic resonance cholangiopancreatography; CTA: Computed tomography angiography; ERC: Endoscopic retrograde cholangiography; CA: Celiac angiography; ERCP: Endoscopic retrograde cholangiopancreatography.