title: Complete Surgical Resection of a Leiomyosarcoma Arising from the Inferior Vena Cava.
abstract: A 76-year-old Japanese man was referred to our hospital with chief complaint of right hypochondoralgia. Abdominal ultrasound showed a retroperitoneal tumor in the suprarenal region of the right kidney. Computed tomography revealed an enhanced lobular tumor with irregular, circumscribed, and indistinct border. Ultrasound-guided biopsy was performed. The tumor consisted of spindle-shaped cells with a giant nucleus and multinuclear cells. The diagnosis was leiomyosarcoma by immunohistochemical staining. The patient underwent surgery accessed by a right eighth intercostal thoracoabdominal incision. The tumor was completely resected, accompanied by removal of the posterosuperior segment of the right hepatic lobe, right adrenal gland, and a portion of the inferior vena cava (IVC). The histopathologic diagnosis was leiomyosarcoma arising from the IVC. We present a rare case of a successfully managed leiomyosarcoma of the IVC. This case suggests the importance of curative surgical resection of the tumor due to low efficacy of adjuvant chemotherapy for leiomyosarcoma.
authors.affiliation: Division of Gastrointestinal Surgery, Mitsui Memorial Hospital, Kanda-Izumi-cho 1, Chiyoda-ku, Tokyo 101-8643, Japan.
authors.forename: Hirofumi
authors.initials: H
authors.lastname: Sonoda
authors.affiliation: Division of Gastrointestinal Surgery, Mitsui Memorial Hospital, Kanda-Izumi-cho 1, Chiyoda-ku, Tokyo 101-8643, Japan.
authors.forename: Keisuke
authors.initials: K
authors.lastname: Minamimura
authors.affiliation: Division of Gastrointestinal Surgery, Mitsui Memorial Hospital, Kanda-Izumi-cho 1, Chiyoda-ku, Tokyo 101-8643, Japan.
authors.forename: Yuhei
authors.initials: Y
authors.lastname: Endo
authors.affiliation: Division of Gastrointestinal Surgery, Mitsui Memorial Hospital, Kanda-Izumi-cho 1, Chiyoda-ku, Tokyo 101-8643, Japan.
authors.forename: Shoichi
authors.initials: S
authors.lastname: Irie
authors.affiliation: Division of Gastrointestinal Surgery, Mitsui Memorial Hospital, Kanda-Izumi-cho 1, Chiyoda-ku, Tokyo 101-8643, Japan.
authors.forename: Toru
authors.initials: T
authors.lastname: Hirata
authors.affiliation: Division of Gastrointestinal Surgery, Mitsui Memorial Hospital, Kanda-Izumi-cho 1, Chiyoda-ku, Tokyo 101-8643, Japan.
authors.forename: Takashi
authors.initials: T
authors.lastname: Kobayashi
authors.affiliation: Division of Gastrointestinal Surgery, Mitsui Memorial Hospital, Kanda-Izumi-cho 1, Chiyoda-ku, Tokyo 101-8643, Japan.
authors.forename: Ken-Ichi
authors.initials: K
authors.lastname: Mafune
authors.affiliation: Division of Pathology, Mitsui Memorial Hospital, Kanda-Izumi-cho 1, Chiyoda-ku, Tokyo 101-8643, Japan.
authors.forename: Masaya
authors.initials: M
authors.lastname: Mori