Age

18–75

Sex

ALL

Healthy volunteers

Not accepted

Age 18-75 years
* Patients with suspected or confirmed solid tumors (e.g., prostate cancer, hepatocellular carcinoma, ovarian cancer, or endometrial cancer)
* Patients scheduled to undergo tumor biopsy or surgical treatment within 2 months
* ECOG performance status of 0 or 1
* Expected survival of at least 12 weeks
* Adequate hematologic and organ function:
* White blood cell count ≥ 4.0 × 10\^9/L or neutrophils ≥ 1.5 × 10\^9/L
* Platelet count ≥ 100 × 10\^9/L
* Hemoglobin ≥ 90 g/L
* Total bilirubin ≤ 1.5 × upper limit of normal (ULN)
* ALT/AST ≤ 2.5 × ULN (or ≤ 5 × ULN in patients with liver metastases)
* Creatinine ≤ 1.5 × ULN
* At least one measurable lesion according to RECIST 1.1 criteria
* Ability to understand the study procedures and willingness to sign written informed consent

Severe hepatic or renal dysfunction
Inability to remain in a supine position for approximately 30 minutes during PET/CT scanning
Refusal or inability to participate in the clinical study
Claustrophobia or severe psychiatric disorders that would interfere with imaging procedures
Any other condition that, in the investigator's judgment, would make the participant unsuitable for the study

68Ga-FAPI-PSMA PET Imaging for the Diagnosis of Solid Tumors