Case Report

Surgery Today

, Volume 42, Issue 5, pp 505-508

First online:

A huge metastatic liver tumor from leiomyosarcoma of the inferior vena cava: report of a case

  • Masakazu HashimotoAffiliated withDivision of Frontier Medical Science, Programs for Biomedical Research, Department of Surgery, Graduate School of Biomedical Science, Hiroshima University
  • , Tsuyoshi KobayashiAffiliated withDivision of Frontier Medical Science, Programs for Biomedical Research, Department of Surgery, Graduate School of Biomedical Science, Hiroshima University Email author 
  • , Hirotaka TashiroAffiliated withDivision of Frontier Medical Science, Programs for Biomedical Research, Department of Surgery, Graduate School of Biomedical Science, Hiroshima University
  • , Hironobu AmanoAffiliated withDivision of Frontier Medical Science, Programs for Biomedical Research, Department of Surgery, Graduate School of Biomedical Science, Hiroshima University
  • , Akihiko OshitaAffiliated withDivision of Frontier Medical Science, Programs for Biomedical Research, Department of Surgery, Graduate School of Biomedical Science, Hiroshima University
  • , Yoshisato TanimotoAffiliated withDivision of Frontier Medical Science, Programs for Biomedical Research, Department of Surgery, Graduate School of Biomedical Science, Hiroshima University
  • , Shintaro KurodaAffiliated withDivision of Frontier Medical Science, Programs for Biomedical Research, Department of Surgery, Graduate School of Biomedical Science, Hiroshima University
  • , Hirofumi TazawaAffiliated withDivision of Frontier Medical Science, Programs for Biomedical Research, Department of Surgery, Graduate School of Biomedical Science, Hiroshima University
  • , Hiroshi AikataAffiliated withDivision of Frontier Medical Science, Department of Medicine and Molecular Science, Graduate School of Biomedical Science, Hiroshima University
    • , Kazuaki ChayamaAffiliated withDivision of Frontier Medical Science, Department of Medicine and Molecular Science, Graduate School of Biomedical Science, Hiroshima University
    • , Masayoshi FujiiAffiliated withDepartment of Anatomical Pathology, Hiroshima University Hospital
    • , Koji ArihiroAffiliated withDepartment of Anatomical Pathology, Hiroshima University Hospital
    • , Hideki OhdanAffiliated withDivision of Frontier Medical Science, Programs for Biomedical Research, Department of Surgery, Graduate School of Biomedical Science, Hiroshima University

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Abstract

Leiomyosarcoma of the inferior vena cava (IVC) is a rare malignant tumor, and only a few cases of the resection of IVC leiomyosarcomas with synchronous liver metastases have been reported. This report describes a female patient who initially presented with a solitary, huge liver tumor and a retroperitoneal tumor. Following our preoperative diagnosis of primary liver cancer with a retroperitoneal lymph node metastasis, the patient underwent combined resection of both tumors. The surgical findings revealed that the retroperitoneal tumor originated from the IVC wall. The pathological and immunohistochemical findings revealed that both tumors were leiomyosarcomas. Although the liver tumor was much larger than the IVC tumor, we considered that the metastatic liver tumor arose from the IVC leiomyosarcoma. This was an instructive case because the metastatic liver tumor from the IVC leiomyosarcoma was so large as to be mistaken for a primary liver tumor.

Keywords

Vascular leiomyosarcoma Inferior vena cava Metastatic liver tumor