📡 PET SUV (Simple)
Simple PET SUV = tissue concentration / (injected activity / body weight). Density assumed 1 g/mL.
Clinical takeaway
No SUVlbm/SUVbsa.
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When to use
Order-of-magnitude checks and teaching. Workstation quantification remains authoritative.
How it works
SUV = C(kBq/mL) / (A(MBq) / W(kg)).
Key points
- No SUVlbm/SUVbsa.
- Confirm decay correction / time base.
References
- Standard SUV definition (concentration / injected activity per body weight)
Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.
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.
| Tissue concentration | 5 kBq/mL |
|---|---|
| Injected activity | 300 MBq |
| Body weight | 70 kg |
| Concentration already decay-corrected? | Yes |
→SUV1.167
- Formula：SUV = C / (A/W)
- Decay correction：Yes (computed as entered)
- SUVlbm：Lean-body-mass SUV needs LBM in the denominator (James/Janmahasatian, etc.); this tool does not compute LBM.
Frequently asked questions
- What is PET SUV (Simple)?
- Simple PET SUV = tissue concentration / (injected activity / body weight). Density assumed 1 g/mL.
- How is PET SUV (Simple) calculated? What is the core formula?
- SUV = C(kBq/mL) / (A(MBq) / W(kg)).
- When is PET SUV (Simple) used?
- Order-of-magnitude checks and teaching. Workstation quantification remains authoritative.
- What are the key clinical points for PET SUV (Simple)?
- No SUVlbm/SUVbsa. Confirm decay correction / time base.
- What are the limits and cautions when using PET SUV (Simple)?
- 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.
- How is PET SUV (Simple) calculated in practice? Can you show a worked example?
- Inputs: Tissue concentration 5 kBq/mL, Injected activity 300 MBq, Body weight 70 kg, Concentration already decay-corrected? Yes → Result: SUV 1.167（Formula: SUV = C / (A/W), Decay correction: Yes (computed as entered), SUVlbm: Lean-body-mass SUV needs LBM in the denominator (James/Janmahasatian, etc.); this tool does not compute LBM.）
💬 Peer discussion
Licensed clinicians only — about this Tool · SUV
Do not share identifiable patient information (PHI). Discuss principles and workflow only — not a substitute for clinical judgement.
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