📐 Thyroid Volume (ellipse factor 0.523)
UseUltrasound diameter volume estimate.
Loading calculator…
SourceBrunn ellipsoid thyroid volume factor ≈0.523
Runs locally in your browser (no PHI uploaded). For licensed clinicians — not a substitute for clinical judgement.
Stored on this device for revisit reminders
This-shift next steps
After scoring: open the scene pack, peer scores, and the matching pathway. Local reference — no HIS write.
Score + version; reference only — not a substitute for care · no HIS write
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Methodology · worked example, guidelines & full notes
Clinical takeaway
Brunn π/6; measurement error matters.
When to use
Ultrasound diameter volume estimate.
How it works
V=0.523×L×W×D per lobe.
Key points
- Brunn π/6; measurement error matters.
References
- Brunn ellipsoid thyroid volume factor ≈0.523
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.
| Left lobe length | 5 cm |
|---|---|
| Left lobe width | 2 cm |
| Left lobe depth | 2 cm |
| Right lobe length | 5 cm |
| Right lobe width | 2 cm |
| Right lobe depth | 2 cm |
→total20.92mL
- L：10.46 mL
- R：10.46 mL
- isthmus：0 mL
Verification & sources · governance
FAQ
Frequently asked questions
- What are the limits and cautions when using Thyroid Volume (ellipse factor 0.523)?
- 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 Thyroid Volume (ellipse factor 0.523) 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 Thyroid Volume (ellipse factor 0.523) calculated in practice? Can you show a worked example?
- Inputs: Left lobe length 5 cm, Left lobe width 2 cm, Left lobe depth 2 cm, Right lobe length 5 cm, Right lobe width 2 cm, Right lobe depth 2 cm → Result: total 20.92 mL（L: 10.46 mL, R: 10.46 mL, isthmus: 0 mL）