Prognostic impact of perineural invasion and lymphovascular invasion in advanced stage oral squamous cell carcinoma

被引:107
作者
Jardim, J. F. [1 ]
Francisco, A. L. N. [2 ,3 ]
Gondak, R. [4 ]
Damascena, A. [5 ]
Kowalski, L. P. [2 ,3 ]
机构
[1] Univ Campinas UNICAMP, Piracicaba Dent Sch, Dept Oral Diag, Sao Paulo, Brazil
[2] AC Camargo Canc Ctr, Dept Head & Neck Surg & Otorhinolaryngol, BR-01509900 Sao Paulo, Brazil
[3] Natl Inst Sci & Technol Oncogenom INCITO, Sao Paulo, Brazil
[4] Univ Fed Santa Catarina, Dept Pathol, BR-88040900 Florianopolis, SC, Brazil
[5] AC Camargo Canc Ctr, Int Ctr Canc Res CIPE, BR-01509900 Sao Paulo, Brazil
关键词
squamous cell carcinoma; oral cancer; perineural invasion; vascular invasion; prognosis; survival; LYMPH-NODE METASTASIS; RADICAL SURGERY; CANCER; SURVIVAL; RECURRENCE; NECK; FEATURES; CAVITY; HEAD; TOOL;
D O I
10.1016/j.ijom.2014.10.006
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Perineural invasion (PNI) and lymphovascular invasion (LVI) have been associated with the risk of local recurrences and lymph node metastasis. The aim of this study was to evaluate the prognostic impact of PM and LVI in patients with advanced stage squamous cell carcinoma of the tongue and floor of the mouth. One hundred and forty-two patients without previous treatment were selected. These patients underwent radical surgery with neck dissection and adjuvant treatment. Clinicopathological data were retrieved from the medical charts, including histopathology and surgery reports. Univariate analysis was performed to assess the impact of studied variables on survival. Overall survival was negatively influenced by six tumour-related factors: increasing T stage (P = 0.003), more than two clinically positive nodes (P = 0.002), extracapsular spread of lymph node metastasis (P < 0.001), tumour thickness (P = 0.04), PNI (P < 0.001), and LVI (P = 0.012). Disease-free survival was influenced by PNI (P = 0.04), extracapsular spread of lymph node metastasis (P = 0.008), and N stage (P = 0.006). Multivariate analysis showed PNI to be an independent predictor for overall survival (P = 0.01) and disease-free survival (P = 0.03). Thus the presence of PNI in oral carcinoma surgical specimens has a significant impact on survival outcomes in patients with advanced stage tumours submitted to radical surgery and adjuvant radiotherapy/radiochemotherapy.
引用
收藏
页码:23 / 28
页数:6
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