Erythema Nodosum

Question 1

Erythema Nodosum Def

Answer 1

inflammatory erruption subcutaneous fat

Question 2

Clinical features

Answer 2

tender
warm
ill defined erythematous nodules
common Pre-tibial lower extremities
occ upper extremities & trunk
(NO ULCERATION)

Question 3

Causes

Answer 3

Idiopathic
Infectious
-Bacterial
* streptoccocal
*TB
*Campylobacter
*yerisnia
*Leprosy
-Viral
*HSV
* infectious monnucleosis/ EBV
-Fungal
*blastomycosis
*histoplasmosis
*coccidiomycosis
*dermatophyte
-Parasitic
* leishmaniasis
*toxoplasmsos
Pharmacologic
- sulfonamide
-OCP
-penicillin
-vaccine
-bromide
Autoimmune
-inflammatory bowel dz
-sarcoid
-behcets synd
Cancer
-Leukameia
-lymphoma
Pregnancy

Question 4

Treatment:

Answer 4

Dx underlygin casue & treat
Symptomatic
-NSAIDS
-leg elevation