Evaluating the relationship between prostate-specific membrane antigen positron emission tomography and arterial spin labeling perfusion imaging, and the correlation with prostate-specific membrane antigen expressed on glioblastoma microvascular.

Inclusion Criteria:

• Newly diagnosed or recurrent glioblastoma;
• Adult (≥18 years old);

Exclusion Criteria:

• The patient has a serious underlying disease or mental illness and is unable to cooperate with the imaging examination;
• Have received systematic chemotherapy;
• The image data is of poor or incomplete quality;
• pregnant women;

Twenty-six patients with newly diagnosed or recurrent glioblastoma who underwent conventional MRI, ASL and PSMA PET were prospectively enrolled