Hurley Staging (Hidradenitis Suppurativa)
Hurley staging (Hurley 1989): sinus tracts, scarring, and diffuse involvement classify hidradenitis suppurativa into stage I (abscesses without tracts), II (recurrent abscesses with tracts/scarring), or III (diffuse interconnected tracts).
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Sinus tract(s) present
- Yes
- Scarring present
- No
- Diffuse or interconnected tracts
- No
Result: Hurley stage II — recurrent abscesses with sinus tracts and scarring.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- Stage I
- Abscess(es) without sinus tracts or scarring.
- Stage II
- Recurrent abscesses with sinus tracts and scarring.
- Stage III
- Diffuse involvement or interconnected tracts/abscesses. A staging classification, not a treatment order.
What you enter
- Sinus tract(s) present
- Scarring present
- Diffuse or interconnected tracts
How this is calculated
Hurley HJ. Axillary hyperhidrosis, apocrine bromhidrosis, hidradenitis suppurativa, and familial benign pemphigus: surgical approach. In: Roenigk RK, Roenigk HH, eds. Dermatologic Surgery. New York: Marcel Dekker; 1989:729-739. Reliability: Ovadja ZN, et al. Br J Dermatol. 2019;181(2):344-349. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.