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  • Title: The level of cervical lymph node metastases: their prognostic relevance and relationship with head and neck squamous carcinoma primary sites.
    Author: Jones AS, Roland NJ, Field JK, Phillips DE.
    Journal: Clin Otolaryngol Allied Sci; 1994 Feb; 19(1):63-9. PubMed ID: 8174305.
    Abstract:
    It would seem logical that patients with nodal metastases low in the neck would fare less well than patients with disease high in the neck. The penultimate UICC classification suggested that neck node level was important although there was no mention of this in the most recent classification. In addition, patients with carcinomas at the various sites would be expected to have different patterns of nodal involvement. Of 3419 patients with head and neck squamous carcinoma on the Liverpool University Head and Neck Unit database, 947 had neck node metastases. The neck node levels were coded as (I) sub-mandibular, (II) above the thyroid notch, (III) below the thyroid notch and (IV) supra-clavicular/posterior triangle nodes. Levels II and III contained the deep jugular chain. The relationship between node level and site and sub-site and survival were analysed with particular emphasis on multivariate methods. The 5-year survival for the whole group was 51% and survival fell with decreasing node level (I-IV) being 37% for sub-mandibular nodes, 32% for deep cervical nodes and 25% for lower deep cervical nodes. The 18-month survival for supra-clavicular and posterior triangle nodes was 21%. The difference in survival was significant (chi 2(3) = 24.42, P < 0.001). Multivariate analysis confirmed that as the level of the nodes fell from the sub-mandibular region to the supra-clavicular region the prognosis worsened (estimate = -0.3378, P = 0.0003). Level II (upper deep cervical) nodes were the most commonly involved with regards to all primary sites and formed 69% of all neck node metastases.(ABSTRACT TRUNCATED AT 250 WORDS)
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