Age

18–any

Sex

MALE

Healthy volunteers

Not accepted

1. Patients with clinically suspected PCa have indications for prostate biopsy;
2. Complete serum PSA testing and mpMRI examination in the outpatient department;
3. 4 ng/ml ≤ serum total PSA ≤10 ng/ml;
4. The probability of prostate cancer calculated by USTC diagnostic models is less than 0.05;
5. There is no family history of prostate cancer and no history of other malignant tumors.

1. The patient has previous history of prostate biopsy;
2. Lack of complete clinical information, such as failure to perform mpMRI;
3. Patients with serum total PSA \< 4ng/ml or \> 10ng/ml.
4. According to USTC diagnostic model, the probability of prostate cancer is equal or more than 0.05.

Conducting Active Surveillance Without Prostate Biopsy for Patients With Low-risk Suspected Prostate Cancer