Erythema nodosum: Difference between revisions
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*Usually a self-limited disease, resolving in 3-6 wks | *Usually a self-limited disease, resolving in 3-6 wks | ||
= | ===Associated Disease Processes=== | ||
==Associated Disease Processes== | |||
*Drug induced (OCPs, sulfonamides, PCN) | *Drug induced (OCPs, sulfonamides, PCN) | ||
*[[Tuberculosis]] | *[[Tuberculosis]] | ||
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*Normal [[pregnancy]] | *Normal [[pregnancy]] | ||
*Malignancy (leukemia, lymphoma) | *Malignancy (leukemia, lymphoma) | ||
==Clinical Features== | |||
[[File:erythema nodosum.JPG|thumbnail]] | |||
*Painful | |||
*Non-ulcerative nodules | |||
*Violaceous, erythematous | |||
*Usually anterior tibia, arms, trunk | |||
==Differential Diagnosis== | |||
*Erysipelas | |||
*Erythema induratum (nodular vasculitis) | |||
*Familial Mediterranean Fever | |||
*[[Insect bites]] | |||
*Superficial thrombophlebitis | |||
*Thrombophlebitis | |||
*[[Urticaria]] | |||
==Evaluation== | ==Evaluation== |
Revision as of 13:14, 27 February 2018
Background
- Often marker for systemic disease
- Most common in women 30-50 years of age
- 1:6 male to female
- Usually a self-limited disease, resolving in 3-6 wks
Associated Disease Processes
- Drug induced (OCPs, sulfonamides, PCN)
- Tuberculosis
- Fungal disease (commonly Coccidioidomycosis)
- Sarcoidosis
- Ulcerative colitis
- Crohn's disease
- Behcet's disease
- Cat scratch disease
- Mononucleosis
- Streptococcal pharyngitis
- Normal pregnancy
- Malignancy (leukemia, lymphoma)
Clinical Features
- Painful
- Non-ulcerative nodules
- Violaceous, erythematous
- Usually anterior tibia, arms, trunk
Differential Diagnosis
- Erysipelas
- Erythema induratum (nodular vasculitis)
- Familial Mediterranean Fever
- Insect bites
- Superficial thrombophlebitis
- Thrombophlebitis
- Urticaria
Evaluation
Management
- Treat underlying cause
- NSAIDs
- RICE, cool wet compresses
Disposition
References
- Hebel et al. Erythema Nodosum. Apr 13, 2015. http://emedicine.medscape.com/article/1081633-overview