Lymph node density as an independent predictor of cancer-specific mortality in patients with lymph node-positive laryngeal squamous cell carcinoma after laryngectomy

Title
Lymph node density as an independent predictor of cancer-specific mortality in patients with lymph node-positive laryngeal squamous cell carcinoma after laryngectomy
Authors
In Sun RyuJong-Lyel RohKyung-Ja ChoSeung-Ho ChoiSoon Yuhl Nam김상윤
Keywords
lymph node density; laryngeal cancer; laryngectomy; squamous cell carcinoma; mortality
Issue Date
2015-09
Publisher
HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK
Citation
VOL 37, NO 9, 1319-1325
Abstract
BACKGROUND: We examined the prognostic value of lymph node density in predicting cancer-specific mortality (CSM) for patients with lymph nodes positive (pN+) laryngeal squamous cell carcinoma (SCC) after laryngectomy. METHODS: The records of 156 patients with laryngeal SCC who initially underwent curative resection of the primary tumor combined with neck dissection were reviewed. RESULTS: The 5-year cumulative incidence of CSM was 20.4%. N classification and extralaryngeal spread (ELS) were independent variables for CSM in all patients. Univariate analyses in 71 pN+ patients showed that ELS, number of positive lymph nodes >4, and lymph node density >0.044 were significantly associated with increased CSM, whereas pN classification was not (p = .218). On multivariate analysis, lymph node density ≥0.044 remained an independent predictor of CSM (p = .001). CONCLUSION: Among the pN+ patients with laryngeal SCC, no pN classification but lymph node density was noted to have an independent impact on CSM.
URI
http://pubs.kist.re.kr/handle/201004/48723
ISSN
10433074
Appears in Collections:
KIST Publication > Article
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