Lingual lymph node metastases from carcinoma of the tongue and floor of the mouth suspected by image findings clinical analysis and a review of the Japanese literature

DOI 4 Citations 32 References
  • Kimura Yukinori
    Department of Radiology, Showa University School of Dentistry Division of Pathology, Japanese Foundation for Cancer Research
  • Hanazawa Tomomi
    Department of Radiology, Showa University School of Dentistry
  • Okano Tomohiro
    Department of Radiology, Showa University School of Dentistry

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Other Title
  • 画像所見から舌癌および口底癌の舌リンパ節転移が示唆された症例の臨床的検討と文献的考察
  • clinical analysis and a review of the Japanese literature

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Description

The lingual lymph nodes are intercalated nodes situated in the sublingual space and were divided into the lateral group and the median group by Rouvière in 1938. At our institute, between 1991 and 2008, lingual lymph nodes metastases (LLNM) or tumor emboli of the lingual lymphatic vessel were suspected on CT in seven patients with squamous cell carcinoma of the tongue. However, five of them died from the disease. We analyzed our own cases and 32 other cases reported in Japanese articles, focusing on the clinical characteristics and CT or MRI findings. The primary sites were the tongue in 34 cases and the floor of the mouth in five. In thirty-four cases (87%), cervical lymph node metastases developed, and in five (13%), LLNM were not associated with neck node metastases. In 26 patients (76%), neck node metastases were found simultaneously with LLNM. The two-year survival rate was less than 50%. In our own cases, as CT findings, rim enhancement and internal low density area were very useful in the imaging diagnosis of LLNM. LLNM developed frequently in six months postoperatively, thus, carcinoma of the tongue and the floor of the mouth should be considered for LLNM, although uncommon, even in the early follow-up period.

Journal

  • Toukeibu Gan

    Toukeibu Gan 36 (4), 488-497, 2010

    Japan Society for Head and Neck Cancer

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