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Comparative Study
Journal Article
Research Support, Non-U.S. Gov't
Prognostic significance of cystic lymph nodal metastasis in nasopharyngeal carcinoma.
Head & Neck 2017 September
BACKGROUND: The purpose of this study was to determine the prevalence of cystic lymph nodal metastasis (CLNM) and its prognostic value in patients with nasopharyngeal carcinoma (NPC).
METHODS: A retrospective review was conducted on 257 patients with NPC, analyzing the presence of CLNM on MRI or CT scans. Oncologic outcomes were performed using the Kaplan-Meier analysis.
RESULTS: One hundred eleven patients (43.2%) had CLNM at diagnosis. Overall, patients with CLNM had a poorer disease-specific survival (DSS; P < .001) and overall survival (OS; P < .001) compared with patients without CLNM. When analyzed according to nodal status, CLNM was associated with a higher rate of distant metastasis recurrence (P = .007), a poorer DSS (P < .001), and a poorer OS (P < .001) among patients with N2 disease.
CONCLUSION: The prevalence of CLNM was 43.2%. In patients with N2 disease, the presence of CLNM was significantly associated with a poorer DSS, OS, and increased risk of distant metastasis recurrence.
METHODS: A retrospective review was conducted on 257 patients with NPC, analyzing the presence of CLNM on MRI or CT scans. Oncologic outcomes were performed using the Kaplan-Meier analysis.
RESULTS: One hundred eleven patients (43.2%) had CLNM at diagnosis. Overall, patients with CLNM had a poorer disease-specific survival (DSS; P < .001) and overall survival (OS; P < .001) compared with patients without CLNM. When analyzed according to nodal status, CLNM was associated with a higher rate of distant metastasis recurrence (P = .007), a poorer DSS (P < .001), and a poorer OS (P < .001) among patients with N2 disease.
CONCLUSION: The prevalence of CLNM was 43.2%. In patients with N2 disease, the presence of CLNM was significantly associated with a poorer DSS, OS, and increased risk of distant metastasis recurrence.
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