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A study on the differentiation of benign and malignant gastrointestinal tumors and the prediction of lymph node metastasis risk based on multimodal medical imaging

A study on the differentiation of benign and malignant gastrointestinal tumors and the prediction of lymph node metastasis risk based on multimodal medical imaging

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600124725
Enrollment
Unknown
Registered
2026-05-15
Start date
2026-05-15
Completion date
Unknown
Last updated
2026-05-18

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

Conditions

Benign and malignant gastrointestinal tumors with or without lymph node metastasis

Interventions

Benign and malignant groups of gastrointestinal tumors.:None

Sponsors

The Second Affiliated Hospital of Harbin Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age >18 years old; 2. Patients initially diagnosed with gastrointestinal tumors; 3. No previous medical history or history of coexisting other malignant tumors; 4. There is no history of iodine allergy; 5. Regular re-examinations and follow-ups are conducted in our hospital, and the imaging data are complete.

Exclusion criteria

Exclusion criteria: 1. Patients who have received treatment (radiotherapy, chemotherapy or chemoradiotherapy) before the examination; 2. Patients with claustrophobia are unable to complete imaging examinations; 3. Lack of imaging or clinical data; 4. Subsequent clinical diagnosis and treatment cannot be completed.

Design outcomes

Primary

MeasureTime frame
AUC (Area Under the ROC Curve);

Secondary

MeasureTime frame
Accuracy;Sensitivity;Specificity;Calibration curve fit;Net benefit of decision curve analysis;

Countries

China

Contacts

Public ContactSun Zhongqi

The Second Affiliated Hospital of Harbin Medical University

sunzhongqi2021@163.com+86 451 86669470

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 22, 2026