International Journal of Pediatric Otorhinolaryngology Extra
Volume 3, Issue 3 , Pages 105-108 , September 2008

Pediatric synovial sarcoma of the right masseter muscle: A case report

  • Michinori Funato

      Affiliations

    • Department of Pediatrics, Gifu University Graduate School of Medicine, Gifu, Japan
    • Corresponding Author InformationCorresponding author. Present address: Department of Pediatrics, Gifu University Graduate School of Medicine, Yanagido 1-1, Gifu 501-1194, Japan. Tel.: +81 58 2306386; fax: +81 58 2306387.
    • ,
  • Hideo Kaneko

      Affiliations

    • Department of Pediatrics, Gifu University Graduate School of Medicine, Gifu, Japan
    • ,
  • Michio Ozeki

      Affiliations

    • Department of Pediatrics, Gifu University Graduate School of Medicine, Gifu, Japan
    • ,
  • Kaori Kanda

      Affiliations

    • Department of Pediatrics, Gifu University Graduate School of Medicine, Gifu, Japan
    • ,
  • Toshiyuki Fukao

      Affiliations

    • Department of Pediatrics, Gifu University Graduate School of Medicine, Gifu, Japan
    • ,
  • Keisuke Mizuta

      Affiliations

    • Department of Otorhinolaryngology, Gifu University Graduate School of Medicine, Gifu, Japan
    • ,
  • Naomi Kondo

      Affiliations

    • Department of Pediatrics, Gifu University Graduate School of Medicine, Gifu, Japan

Received 2 October 2007 ,Revised 28 November 2007 ,Accepted 4 December 2007.

  • Image Result

    (A) Contrast-enhanced computed tomography (CT) showed a hyperdence tumor in the right masseter muscle (arrow). (B) It after neoadjuvant chemotherapy showed a decrease in hyperdence lesion at the same

    (A) Contrast-enhanced computed tomography (CT) showed a hyperdence tumor in the right masseter muscle (arrow). (B) It after neoadjuvant chemotherapy showed a decrease in hyperdence lesion at the same site (arrow).

  • Image Result
    Histological examination showed spindle cells. A diagnosis of monophasic synovial sarcoma was made. (Hematoxylin and eosin stain, 200×.)

    Histological examination showed spindle cells. A diagnosis of monophasic synovial sarcoma was made. (Hematoxylin and eosin stain, 200×.)

  • Image Result
    Intraoperative photograph showed that the tumor of the right masseter muscle was completely resected.

    Intraoperative photograph showed that the tumor of the right masseter muscle was completely resected.

  • Image Result
    Passage of treatment with multimodality therapy including neoadjuvant and adjuvant chemotherapy, surgical resection and postoperative radiotherapy.

    Passage of treatment with multimodality therapy including neoadjuvant and adjuvant chemotherapy, surgical resection and postoperative radiotherapy.

PII: S1871-4048(07)00094-9

doi: 10.1016/j.pedex.2007.12.001

International Journal of Pediatric Otorhinolaryngology Extra
Volume 3, Issue 3 , Pages 105-108 , September 2008

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