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Study on Relationship between T staging and Volume of Nasopharyngeal Carcinoma and the Accuracy of Target Segmentation Using Auto-segmentation Software

Study on Relationship between T staging and Volume of Nasopharyngeal Carcinoma and the Accuracy of Target Segmentation Using Auto-segmentation Software

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500112413
Enrollment
Unknown
Registered
2025-11-13
Start date
2025-12-01
Completion date
Unknown
Last updated
2025-11-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

nasopharyngeal carcinoma

Interventions

Sponsors

Affiliated Hospital of Guangdong Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Clear pathological diagnosis: Patients whose nasopharyngeal biopsy tissue pathology has confirmed nasopharyngeal carcinoma (non-keratinizing carcinoma or keratinizing squamous cell carcinoma, etc.); 2. Complete clinical staging: T staging (T1-T4) clearly defined according to the 8th edition of the UICC/AJCC staging criteria; 3. Imaging requirements: CT scans completed with imaging data readable by auto-segmentation software; 4. No dispute in manually delineated target areas: Target areas independently delineated by at least two physicians with over 5 years of experience in head and neck tumor radiotherapy following clinical guidelines.

Exclusion criteria

Exclusion criteria: 1. Patients who simultaneously have other primary malignant tumors in the head and neck outside the nasopharynx; 2. Patients with unclear clinical staging; 3. Imaging data that is unclear or has artifacts; 4. Significant disagreement exists in manual delineation of the target area.

Design outcomes

Primary

MeasureTime frame
Dice Similarity Coefficient, DSC;

Countries

China

Contacts

Public ContactFang Shiting

Affiliated Hospital of Guangdong Medical University

2468753980@qq.com+86 759 2387499

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026