Lymph node metastasis in nasopharyngeal carcinoma
Conditions
Interventions
Observation group:None
Sponsors
Sun Yat-Sen Memorial Hospital
Eligibility
Sex/Gender
All
Age
10 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.Patients with pathologically confirmed nasopharyngeal carcinoma; 2.Those who received standard radical treatment at our institution and have complete and traceable clinical, treatment, and follow-up data; 3.Having pre-treatment MRI imaging data that can be used for re-evaluation of cervical lymph node necrosis, ENE, and related phenotypes; 4.Capable of being staged according to the AJCC 9th edition based on clinical and imaging data; 5.Having follow-up information available for outcome analysis.
Exclusion criteria
Exclusion criteria: 1.Patients with distant metastasis at initial diagnosis; 2.Those who have previously received anti-tumor therapy for nasopharyngeal carcinoma; 3.Those with concurrent other malignant tumors that may affect the determination of survival outcomes; 4.Those with missing key pre-treatment imaging data, image quality that does not meet the evaluation requirements, or inability to complete the assessment of LNN phenotype; 5.Those with severe missing data on core clinical variables, outcome variables, or follow-up information that cannot be supplemented.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Distant metastasis-free survival, DMFS; | — |
Secondary
| Measure | Time frame |
|---|---|
| Overall survival, OS;Disease-free survival, DFS; | — |
Countries
China
Contacts
Public ContactZhou Han
Sun Yat-Sen Memorial Hospital
Outcome results
None listed