| Erythema nodosum | |
|---|---|
| Other names | Subacute migratory panniculitis of Vilanova and Piñol |
 | |
| Erythema nodosum in a person who had recently had streptococcal pharyngitis | |
| Specialty | Dermatology, rheumatology |
Erythema nodosum (EN) is an inflammatory condition characterized by inflammation of subcutaneous fat tissue, resulting in painful red/blue lumps or nodules that are usually seen symmetrically on both shins, on the thighs, arms, and elsewhere.[1] It can be caused by a variety of conditions but 20 to 50% of cases are idiopathic. It typically resolves spontaneously within 30 days.[2] It is common in young people aged 12–20 years.
- ^ "Erythema Nodosum". Johns Hopkins Medicine. Retrieved 12 June 2019.
- ^ Pedro-Pons, Agustín (1968). Patología y Clínica Médicas (in Spanish). Vol. 6 (3rd ed.). Barcelona: Salvat. p. 193. ISBN 978-84-345-1106-4.