eGFR (CKD-EPI 2021)
Kidney function estimation for contrast safety assessment using the race-free 2021 equation.
ACR TI-RADS (2017)
Thyroid nodule malignancy risk assessment and management guidance from ultrasound features.
Fleischner (2017)
Follow-up recommendations for incidental solid pulmonary nodules detected on CT.
PI-RADS v2.1
Prostate lesion assessment based on mpMRI findings using the 2019 scoring system.
eGFR (CKD-EPI 2021)
Estimated Glomerular Filtration Rate using the 2021 CKD-EPI creatinine equation (race-free). Essential for assessing kidney function before administering IV contrast.
References
1. Inker LA, Eneanya ND, et al. (2021). New Creatinine- and Cystatin C–Based Equations to Estimate GFR without Race. N Engl J Med, 385(19), 1737-1749.
2. ACR Manual on Contrast Media (2025). American College of Radiology.
3. Davenport MS, et al. (2020). ACR-NKF Consensus Statements on Use of IV Iodinated and Gadolinium-Based Contrast Media in Patients With Kidney Disease. Radiology, 294(3).
ACR TI-RADS (2017)
Calculates the TI-RADS score for a thyroid nodule based on 5 ultrasound categories to assess malignancy risk and guide management.
Reference
Tessler FN, et al. (2017). ACR Thyroid Imaging, Reporting and Data System (TI-RADS): White Paper of the ACR TI-RADS Committee. J Am Coll Radiol, 14(5), 587-595.
Fleischner Society (2017) — Solid Nodule
Follow-up recommendations for incidental solid pulmonary nodules in patients aged ≥35 based on the 2017 Fleischner Society guidelines. Does not apply to patients with known primary cancer, immunosuppression, or lung cancer screening.
Reference
MacMahon H, et al. (2017). Guidelines for Management of Incidental Pulmonary Nodules Detected on CT Images: From the Fleischner Society 2017. Radiology, 284(1), 228-243.
PI-RADS v2.1
Calculates the PI-RADS assessment category for a prostate lesion based on location (PZ vs. TZ) and dominant sequence findings per the 2019 PI-RADS v2.1 guidelines.
Reference
Turkbey B, et al. (2019). Prostate Imaging Reporting and Data System Version 2.1: 2019 Update of Prostate Imaging Reporting and Data System Version 2. Eur Urol, 76(3), 340-351.