🎗️ Vulvar Cancer FIGO 2021 Stage
UseStaging and management direction for vulvar carcinoma under the FIGO 2021 system.
SourceOlawaiye AB, et al. FIGO staging for carcinoma of the vulva: 2021 revision. Int J Gynaecol Obstet 2…
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Methodology · worked example, guidelines & full notes
FIGO 2021 aligned vulvar nodal-metastasis size definitions with the cervical system and subdivided stage III into A/B/C.
When to use
Staging and management direction for vulvar carcinoma under the FIGO 2021 system.
How it works
I confined to vulva (IA ≤ 2 cm and ≤ 1 mm invasion / IB > 2 cm or > 1 mm, nodes negative); II lower 1/3 urethra/vagina/anus; III upper 2/3 structures or nodes (IIIA ≤ 5 mm or upper 2/3, IIIB > 5 mm, IIIC extracapsular); IVA fixation/fixed-ulcerated nodes, IVB distant.
Key points
- FIGO 2021 aligned vulvar nodal-metastasis size definitions with the cervical system and subdivided stage III into A/B/C.
- IA (invasion ≤ 1 mm) carries a very low nodal-metastasis risk and generally needs no groin node assessment.
- Sentinel-node biopsy is standard for eligible IB+ unifocal tumours with clinically negative groins.
- Positive margins or nodes drive adjuvant (chemo)radiation to the groins/pelvis.
References
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.
| Primary lesion (when confined to vulva/perineum) | IA — ≤ 2 cm and stromal invasion ≤ 1 mm |
|---|---|
| Local spread | Lower 1/3 urethra/vagina/anus (→ II) |
| Inguinofemoral nodes | Metastasis > 5 mm (→ IIIB) |
| Fixation / distant | Fixed to pelvic bone (→ IVA) |
→FIGO stageStage IVA
- FIGO 2021 stage：Stage IVA (fixed to pelvic bone, or fixed/ulcerated nodes)
- Management direction：Inguinal node-positive or locally advanced: surgery + inguinal-pelvic radiation ± concurrent chemotherapy (cisplatin); definitive chemoradiation if unresectable; IVB systemic therapy ± palliation
- Notes：The 2021 nodal metastasis definitions align with cervical cancer; stage III is subdivided A/B/C (≤ 5 mm / > 5 mm / extracapsular); IVA includes fixation to pelvic bone or fixed/ulcerated nodes; invasion-depth definitions have been updated
| Primary lesion (when confined to vulva/perineum) | IA — ≤ 2 cm and stromal invasion ≤ 1 mm |
|---|---|
| Local spread | None |
| Inguinofemoral nodes | None |
| Fixation / distant | None |
→FIGO stageStage IA
- FIGO 2021 stage：Stage IA (≤ 2 cm and invasion ≤ 1 mm (nodes negative))
- Management direction：IA (invasion ≤ 1 mm): wide local excision, generally no inguinal node assessment needed (very low nodal metastasis risk)
- Notes：The 2021 nodal metastasis definitions align with cervical cancer; stage III is subdivided A/B/C (≤ 5 mm / > 5 mm / extracapsular); IVA includes fixation to pelvic bone or fixed/ulcerated nodes; invasion-depth definitions have been updated
Verification & sources · governance
FAQ
Frequently asked questions
- What are the limits and cautions when using Vulvar Cancer FIGO 2021 Stage?
- 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 Vulvar Cancer FIGO 2021 Stage 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 Vulvar Cancer FIGO 2021 Stage calculated in practice? Can you show a worked example?
- Inputs: Primary lesion (when confined to vulva/perineum) IA — ≤ 2 cm and stromal invasion ≤ 1 mm, Local spread Lower 1/3 urethra/vagina/anus (→ II), Inguinofemoral nodes Metastasis > 5 mm (→ IIIB), Fixation / distant Fixed to pelvic bone (→ IVA) → Result: FIGO stage Stage IVA（FIGO 2021 stage: Stage IVA (fixed to pelvic bone, or fixed/ulcerated nodes), Management direction: Inguinal node-positive or locally advanced: surgery + inguinal-pelvic radiation ± concurrent chemotherapy (cisplatin); definitive chemoradiation if unresectable; IVB systemic therapy ± palliation, Notes: The 2021 nodal metastasis definitions align with cervical cancer; stage III is subdivided A/B/C (≤ 5 mm / > 5 mm / extracapsular); IVA includes fixation to pelvic bone or fixed/ulcerated nodes; invasion-depth definitions have been updated） Inputs: Primary lesion (when confined to vulva/perineum) IA — ≤ 2 cm and stromal invasion ≤ 1 mm, Local spread None, Inguinofemoral nodes None, Fixation / distant None → Result: FIGO stage Stage IA（FIGO 2021 stage: Stage IA (≤ 2 cm and invasion ≤ 1 mm (nodes negative)), Management direction: IA (invasion ≤ 1 mm): wide local excision, generally no inguinal node assessment needed (very low nodal metastasis risk), Notes: The 2021 nodal metastasis definitions align with cervical cancer; stage III is subdivided A/B/C (≤ 5 mm / > 5 mm / extracapsular); IVA includes fixation to pelvic bone or fixed/ulcerated nodes; invasion-depth definitions have been updated）