nasopharyngeal carcinoma
Conditions
Interventions
Head-neck-shoulder thermoplastic mask immobilization group:None
Thermoplastic mask plus foam immobilization group:None
Sponsors
The First Affiliated Hospital of Chongqing Medical University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.Patients with head and neck cancer (including nasopharyngeal carcinoma) who received CBCT-guided radiotherapy in the Department of Oncology of our hospital from January 2025 to January 2026. 2.Cone-beam computed tomography (CBCT) was applied for image guidance during treatment, with complete CBCT datasets available (7-9 CBCT scans per patient); 3.All patients underwent and successfully completed conventional fractionated intensity-modulated radiotherapy (IMRT) consisting of 33 fractions.
Exclusion criteria
Exclusion criteria: 1.Patients who failed to complete treatment as scheduled; 2.Those who received non-conventional fractionated intensity-modulated radiotherapy; 3.Those with inconsistent CBCT scan timing and frequency; 4.Those immobilized using other positioning devices.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Setup errors; | — |
Countries
China
Contacts
Public ContactShunlong Wu
The First Affiliated Hospital of Chongqing Medical University
Outcome results
None listed