Rationale: Schwannomas are mesenchymal tumors with low malignant potential that originate from Schwann cells. They can occur in most parts of the body, such as the head, neck, and extremities. Schwannoma in the hepatoduodenal ligament is extremely rare, and only four cases have been reported in the literature.
Patient Concerns: Herein, we describe a 58-year-old female who presented with right epigastric pain for 10 days. Preoperative computed tomographic (CT) revealed a 4.5 cm × 3.8 cm tumor in the hepatic hilar area.
Diagnoses: Schwannoma in the hepatoduodenal ligament with portal vein invasion.
Interventions: Intraoperative findings revealed that the tumor was identified in the hepatoduodenal ligament, and the left branch of the portal vein was compressed. Complete tumor resection with reparation of the portal vein was performed for the patient. Postoperative pathological examination confirmed the final diagnosis of benign schwannoma, characterized by abundant spindle-shaped cells and positive reactivity for S-100 protein.
Outcomes: The patient had a good prognosis and had no recurrence after 37 months of follow-up.
Lessons: Our case of schwannoma in the hepatoduodenal ligament is unique owing to the portal vein invasion, aimed at helping recognize the difficulty of preoperative diagnosis.
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| http://dx.doi.org/10.1097/MD.0000000000020940 | DOI Listing |
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