Journal of Japanese Society of Oral Oncology
Online ISSN : 1884-4995
Print ISSN : 0915-5988
ISSN-L : 0915-5988
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Volume 18, Issue 2
Displaying 1-2 of 2 articles from this issue
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  • Clinical statistical examination of odontogenic tumors according to the new WHO classification in 2005
    Hiromi Nishi, Koichiro Higashikawa, Hiroshi Shimasue, Misato Hiraoka, ...
    2006 Volume 18 Issue 2 Pages 39-47
    Published: June 15, 2006
    Released on J-STAGE: May 31, 2010
    DOIhttps://doi.org/10.5843/jsot.18.39
    JOURNAL FREE ACCESS
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    Two hundred and fifty odontogenic tumors retrieved from the file of the Department of Oral and Maxillofacial Surgery in Hiroshima University Hospital (1988-2005) were reclassified according to the new WHO classification revised in 2005 and the clinicopathological data were analyzed statistically. Histologically, the tumors contained 68 odontomas, 55 keratocystic odontogenic tumors and 48 ameloblastomas. These tumors constituted 68.4% of all the cases. The male-female ratio of all odontogenic tumors was 1: 1.14. Seventy-two cases (28.8%) had no symptoms but abnormal X-ray photograph. In the cases of odontoma, many patients complained of eruption delay of teeth. Fifty-four percent of all the tumors occurred in the molar region of the mandible. Most of them were treated surgically and their prognosis was good except for the 17 recurrence cases.
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  • Metastatic hepatocellular carcinoma to the mandibular gingiva —A case report—
    Koichiro Suzuki, Tetsu Takahashi, Hitoshi Sera, Akihiro Mukaibou, Atsu ...
    2006 Volume 18 Issue 2 Pages 49-54
    Published: June 15, 2006
    Released on J-STAGE: May 31, 2010
    DOIhttps://doi.org/10.5843/jsot.18.49
    JOURNAL FREE ACCESS
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    We describe a case of metastatic hepatocellular carcinoma to the right mandibular gingiva. The patient was a 73-yearold male who underwent two sessions of transcatheter arterial embolization and an en-bloc resection of the left lateral segment of the liver. Metastasis of mandibular gingiva and submental lymph node occurred one month and three months respectively after resection of the primary lesion. Marginal resection of the mandible with adequate margin and supraomohyoid neck dissection were performed. Though the patient subsequently died due to multiple organ failure seven months later, locoregional recurrence was not observed in the oral & maxillofacial and cervical region. Surgical treatment may prevent loss of the masticatory, speech and swallowing function and improve the patient's quality of life.
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