Brain tumor
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age >= 18 years old, gender not restricted; 2. Intracranial space-occupying lesions were detected through clinical and imaging examinations, and surgical procedures were performed to obtain pathological diagnoses; 3. Standard MRI examinations were completed before the surgery, including: conventional plain scan sequences (T1WI, T2WI, FLAIR, etc.), T1 enhanced sequences, and dynamic susceptibility contrast-enhanced perfusion-weighted imaging (DSC-PWI); 4. The quality of DSC-PWI images is good, with no obvious motion artifacts, and quantitative analysis can be conducted; 5. Complete clinical data and clear postoperative pathological results are available.
Exclusion criteria
Exclusion criteria: 1.Patients who have previously received intracranial tumor-related treatments (such as surgery, radiotherapy, chemotherapy, targeted therapy, or immunotherapy) that may affect perfusion parameters; 2.Patients with severe intracerebral hemorrhage, large-area necrosis, or obvious cystic changes that may affect accurate ROI delineation
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Perfusion parameter measurement variability indicators; | — |
Secondary
| Measure | Time frame |
|---|---|
| Diagnostic performance metrics; | — |
Countries
China
Contacts
Yuebei People’s Hospital