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Related Experiment Video

Updated: Mar 12, 2026

Intraoperative Strategy under Complex Vascular Adhesion for Laparoscopic Radical Resection of Bismuth-Corlette Type IIIb Perihilar Cholangiocarcinoma
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Primary hepatic schwannoma: A case report.

Masaki Yamamoto1, Kiyoshi Hasegawa1, Junichi Arita1

  • 1Hepato-Biliary-Pancreatic Surgery Division and Artificial Organ and Transplantation Division, Department of Surgery, Graduate School of Medicine, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.

International Journal of Surgery Case Reports
|November 18, 2016
PubMed
Summary

Hepatic schwannomas are rare liver tumors. This case highlights the diagnostic challenges and recommends surgical resection for suspected cases.

Keywords:
Hepatic schwannomaLiver resectionNeurofibromatosis

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Area of Science:

  • Hepatobiliary Surgery
  • Surgical Oncology
  • Diagnostic Imaging

Background:

  • Hepatic schwannomas are exceptionally rare tumors of the liver.
  • Preoperative diagnosis of hepatic schwannoma is challenging due to its rarity and nonspecific imaging findings.
  • Distinguishing hepatic schwannomas from common malignant liver tumors like hepatocellular carcinoma and metastases is difficult.

Purpose of the Study:

  • To report a rare case of hepatic schwannoma.
  • To review radiological features of hepatic schwannomas based on existing literature.
  • To emphasize the diagnostic difficulties and management strategies for hepatic schwannoma.

Main Methods:

  • Case presentation of a 47-year-old male with a hepatic tumor.
  • Utilized enhanced computed tomography (CT) and magnetic resonance imaging (MRI) for tumor characterization.
  • Performed surgical resection and histological examination for definitive diagnosis.

Main Results:

  • CT revealed a well-circumscribed, encapsulated 50mm tumor adjacent to the inferior vena cava (IVC) and right hepatic vein.
  • MRI showed hypointense T1 and hyperintense T2 signal, differing from typical malignant liver tumors.
  • Histopathology confirmed a benign schwannoma with Antoni A and B areas and Verocay bodies.

Conclusions:

  • Radiological findings in this case were retrospectively consistent with hepatic schwannoma.
  • Precise preoperative diagnosis of hepatic schwannoma remains difficult.
  • Surgical resection is recommended for suspected hepatic schwannomas due to diagnostic challenges and potential for malignancy.