期刊
INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY
卷 36, 期 3, 页码 219-225出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.ijom.2006.10.014
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The pathological reports, minimum datasets and topographical plots of the neck dissections from 439 cases of oral and oropharyngeal cancer reported by a single pathologist following a standard protocol were analysed. Metastasis was evident in 47% of patients including bilateral metastases in 6%, extracapsular spread in 29% and matting in 7%. The extent of metastasis (both volume and distribution) was greatest in tumours of the oropharynx followed by lateral tongue, ventral tongue and floor of mouth. The typical 'inverted-cone pattern' was seen in 67% of patients with metastasis. A single micrometastasis was seen in 14%, skip lesions in 10% and involvement of 'other' nodal groups in 4%. Contralateral neck metastases (0.4%), peppering (2%), flushing of lymph node sinuses (1%) and all nodes positive (0.4%) accounted for the remaining 'aberrant' patterns. Skip lesions were seen in tumours at all sites other than retromolar.
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