Development of Multiphasic CT-based Delta-Radiomics Model for Predicting Postoperative Recurrence Risk in Bladder Cancer

Development of Multiphasic CT-based Delta-Radiomics Model for Predicting Postoperative Recurrence Risk in Bladder Cancer

This retrospective study included 316 bladder cancer patients

Inclusion Criteria:

1. pathological diagnosis of bladder cancer,
2. available clinical information,
3. age >18 years,
4. patients underwent non-contrast and enhanced abdominal CT examination within 4 weeks before cystectomy for bladder cancer.

Exclusion Criteria:

1. other malignancies in combination,
2. less than one month of follow-up or lack of follow-up,
3. patients with T4b stage,distant metastases (M1 stage)
4. image artefacts or poor quality of image alignment.