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MRI Features of Cystic Tumor Progression Mimicking Radiation Necrosis After Immunotherapy in a Patient With Brain Metastasis: A Case Report With Preliminary Diagnosis Supported by a Large Language Model

MRI Features of Cystic Tumor Progression Mimicking Radiation Necrosis After Immunotherapy in a Patient With Brain Metastasis: A Case Report With Preliminary Diagnosis Supported by a Large Language Model

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500113678
Enrollment
Unknown
Registered
2025-12-01
Start date
2025-12-01
Completion date
Unknown
Last updated
2025-12-08

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

Conditions

Brain tumor

Interventions

Case Group:None

Sponsors

Yuebei People’s Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Patients with brain metastases receiving immunotherapy; 2.The case presented with a large cystic lesion that appeared like radiation necrosis on conventional MRI but was actually true tumor progression.

Exclusion criteria

Exclusion criteria: None

Design outcomes

Primary

MeasureTime frame
Tumor size;

Countries

China

Contacts

Public ContactXiang Liu

Yuebei People’s Hospital

liuxiangxl72@163.com+86 751 691 3416

Outcome results

None listed

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