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Prognostic Value of Lymph Node Density in Node-Positive Patients with Oral Squamous Cell Carcinoma

  • Head and Neck Oncology
  • Published:
Annals of Surgical Oncology Aims and scope Submit manuscript

Abstract

Background

Lymph node density (LND) is superior to TNM nodal status in predicting survival after surgery for bladder and other cancers. Little is known, however, about whether LND can predict survival in patients with oral squamous cell carcinoma (OSCC). We therefore evaluated the utility of LND for predicting survival for patients with OSCC and positive nodes (pN+).

Methods

We reviewed the clinical, pathologic, and follow-up data of 211 OSCC patients who underwent surgery. All lymph nodes harvested from neck dissection were carefully examined, with LND calculated as the ratio of positive lymph nodes to total lymph nodes removed. Univariate and multivariate analyses of variables predicting overall survival (OS) and disease-specific survival (DSS) were performed for all patients and in pN+ patients.

Results

Kaplan-Meier analyses showed that the 5-year OS and DSS rates in all patients were 72% and 79%, respectively. Multivariate analysis showed that variables independently prognostic for DSS were T classification (hazard ratio [HR] = 2.97, 95% confidence interval [95% CI] = 1.59–5.57; P = .001), and N classification (HR = 4.91, 95% CI = 2.47–9.75; P < .001). In pN+ patients, univariate analysis showed that T classification, >2 positive nodes, and LND >0.06 (median) were significant predictors of DSS (P < .015 each), and multivariate analysis showed that LND was an independent predictor of DSS (HR = 3.24, 95% CI = 1.61–6.53; P = .001).

Conclusions

LND may be useful in stratifying the likelihood of survival in patients with OSCC.

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Authors and Affiliations

  1. Department of Otolaryngology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea

    Sang Yoon Kim MD, Soon Yuhl Nam MD, Seung-Ho Choi MD & Jong-Lyel Roh MD

  2. Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea

    Kyung-Ja Cho MD

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  1. Sang Yoon Kim MD
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  2. Soon Yuhl Nam MD
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Correspondence to Jong-Lyel Roh MD.

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Kim, S.Y., Nam, S.Y., Choi, SH. et al. Prognostic Value of Lymph Node Density in Node-Positive Patients with Oral Squamous Cell Carcinoma. Ann Surg Oncol 18, 2310–2317 (2011). https://doi.org/10.1245/s10434-011-1614-6

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  • DOI: https://doi.org/10.1245/s10434-011-1614-6

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