Squamous cell carcinoma of the upper aerodigestive tract: The prevalence of microscopic extracapsular spread and soft tissue deposits in the clinically NO neck

被引:75
作者
Coatesworth, AP
MacLennan, K
机构
[1] Gen Infirm, Dept Otolaryngol Head & Neck Surg, Leeds LS1 3EX, W Yorkshire, England
[2] Leeds Canc Ctr, Imperial Canc Res Fund, Canc Res Unit, Leeds, W Yorkshire, England
来源
HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK | 2002年 / 24卷 / 03期
关键词
carcinoma; squamous cell; head and neck neoplasms;
D O I
10.1002/hed.10020
中图分类号
R76 [耳鼻咽喉科学];
学科分类号
100213 ;
摘要
Background. With squamous cell carcinoma of the upper aerodigestive tract the presence or absence of neck metastases is the most important prognostic factor. This makes the histopathologic assessment of neck dissections of paramount importance. With the clinically NO neck the prevalence of microscopic extracapsular spread and soft tissue deposits has not previously been described. Methods. We have prospectively analyzed 96 elective neck dissections in 63 patients with upper aerodigestive tract squamous cell carcinoma and clinically NO necks to assess the prevalence of microscopic extracapsular spread and soft tissue deposits. The dissections were separated peroperatively into nodal levels; these were sectioned at 6-mum sections and stained with H & E. Results. Nineteen patients (30.2%) were upstaged to pN+ve. Twelve of these had microscopic extracapsular spread, which was 19.0% of the clinically NO necks and 63.2% of the pN+ve. Five had soft tissue deposits, which was 7.9% of the clinically NO necks. Fourteen patients had microscopic extracapsular spread and/or soft tissue deposits, which represented 22.2% of all necks examined and 73.7% of the pN+ve necks. Conclusions. Microscopic extracapsular spread and soft tissue deposits have a high prevalence in patients with clinically NO necks. Extracapsular spread can occur at an early stage in metastasis from upper aerodigestive tract squamous cell carcinoma. Soft tissue deposits can also occur at an early stage. Soft tissue deposits may occur by the same process as lymph node metastasis with total effacement of the lymph node or may occur by some other process such as lymphatic tumor embolization. (C) 2002 Wiley Periodicals, Inc.
引用
收藏
页码:258 / 261
页数:4
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