Predictive indicators for occult lymph node metastasis in N0 cases of squamous tongue carcinoma

DOI 3 Citations 9 References
  • Harada Hiroyuki
    Oral Surgery, Department of Oral Restitution, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University Division of Head and Neck Surgery, Chiba Cancer Center Hospital
  • Omura Ken
    Oral Surgery, Department of Oral Restitution, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University Division of Head and Neck Surgery, Chiba Cancer Center Hospital
  • Maeda Akiyuki
    Division of Head and Neck Surgery, Chiba Cancer Center Hospital Department of Oral and Maxillofacial Surgery, Fukuoka Dental College

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  • 舌扁平上皮癌N0症例の頸部後発転移に関する臨床病理組織学的検討

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Abstract

To predict indicators for occult neck metastasis, we evaluated clinicopathological findings in N0 cases of squamous tongue carcinoma.<BR>Forty previously untreated patients with biopsy-proved squamous tongue carcinoma, between January 1983 and April 2000, were retrospectively reviewed. All of the patients received a glossectomy alone. Thirty patients did not have a neck dissection at any time, and 10 patients subsequently required a neck dissection, when lymph node metastasis became clinically apparent. These two groups were compared with respect to T-stage, type of growth, tumor thickness, histologic malignant score (by Anneroth, 1987), argyrophilic nucleolar organizer regions (AgNORs) count, and Ki-67 labeling index.<BR>The significant factors for lymph node metastasis were tumor thickness, degree of keratinization, mitosis, pattern of invasion, stage of invasion, and Ki-67 labeling index.<BR>These factors are useful in predicting occult cervical lymph node metastasis.

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