Ovarian-Adnexal O-RADS (US) Risk Stratification — free guideline decision tool
Look up the malignancy risk and management for an ACR O-RADS US ovarian-adnexal category (0–5). Instant, browser-side.
Open guideline tool →Guideline-based
Implements the decision logic from published clinical guidelines.
Runs in your browser
No installation. Enter the patient's values and get a guideline recommendation instantly.
Data stays local
Nothing is uploaded. Results are for licensed clinicians only.
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| O-RADS US category | 2 — Almost certainly benign |
|---|
→ManagementMostly none / conservative follow-up
- Category：O-RADS 2: Almost certainly benign (< 1%)
- Management：Classic benign (simple cyst, typical haemorrhagic cyst, typical endometrioma, typical dermoid/mature cystic teratoma, dilated tube): mostly no action, some conservatively followed by size/type
- Note：O-RADS US categorises by lesion type (unilocular/multilocular/solid), solid component and colour score; the final category needs physician integration of the lexicon
| O-RADS US category | 0 — Incomplete evaluation |
|---|
→ManagementFurther evaluation
- Category：O-RADS 0: Incomplete evaluation
- Management：Inadequate assessment due to technical/patient factors: repeat or use transvaginal ultrasound / MRI for further evaluation
- Note：O-RADS US categorises by lesion type (unilocular/multilocular/solid), solid component and colour score; the final category needs physician integration of the lexicon
Common questions
What is Ovarian-Adnexal O-RADS (US) Risk Stratification?
Look up the malignancy risk and management for an ACR O-RADS US ovarian-adnexal category (0–5). Instant, browser-side.
How is Ovarian-Adnexal O-RADS (US) Risk Stratification calculated? What is the core formula?
1 normal (0%), 2 almost certainly benign (< 1%), 3 low (1–< 10%), 4 intermediate (10–< 50%), 5 high (≥ 50%) risk of malignancy.
When is Ovarian-Adnexal O-RADS (US) Risk Stratification used?
Translate an O-RADS US category into a follow-up, MRI or gyn-oncology pathway.
What are the key clinical points for Ovarian-Adnexal O-RADS (US) Risk Stratification?
O-RADS 3 with a solid lesion still warrants MRI characterisation. O-RADS 4 → MRI or gynaecology evaluation; consider CA-125. O-RADS 5 (irregular solid, high colour score, ascites/peritoneal nodules) → gyn-oncology referral. Categories follow the US lexicon (lesion type, solid component, colour score).
What are the limits and cautions when using Ovarian-Adnexal O-RADS (US) Risk Stratification?
For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
Does Ovarian-Adnexal O-RADS (US) Risk Stratification upload patient data? Where is it calculated?
Calculation runs locally in the browser; inputs and results are not uploaded. For licensed clinicians only; interpret with history, investigations and local protocols — not a diagnosis or prescription.
How is Ovarian-Adnexal O-RADS (US) Risk Stratification calculated in practice? Can you show a worked example?
Inputs: O-RADS US category 2 — Almost certainly benign → Result: Management Mostly none / conservative follow-up（Category: O-RADS 2: Almost certainly benign (< 1%), Management: Classic benign (simple cyst, typical haemorrhagic cyst, typical endometrioma, typical dermoid/mature cystic teratoma, dilated tube): mostly no action, some conservatively followed by size/type, Note: O-RADS US categorises by lesion type (unilocular/multilocular/solid), solid component and colour score; the final category needs physician integration of the lexicon） Inputs: O-RADS US category 0 — Incomplete evaluation → Result: Management Further evaluation（Category: O-RADS 0: Incomplete evaluation, Management: Inadequate assessment due to technical/patient factors: repeat or use transvaginal ultrasound / MRI for further evaluation, Note: O-RADS US categorises by lesion type (unilocular/multilocular/solid), solid component and colour score; the final category needs physician integration of the lexicon）
Run Ovarian-Adnexal O-RADS (US) Risk Stratification now
Look up the malignancy risk and management for an ACR O-RADS US ovarian-adnexal category (0–5). Instant, browser-side.
Open guideline tool →For licensed clinicians. Not a substitute for clinical judgement.
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