Shin Lesions

Erythema Nodosum

Symmetrical, erythematous, tender nodule which heals without scarring

Causes

Strep infection

Sarcoid

IBD

Drugs

Penicillins

Sulphonamides

OCP

Pretibial Myxoedema

Symmetrical erythematous lesions

Grave's

Shiny "orange peel" skin

Pyoderma Gangrenosum

Initially small red papule

Later deep red necrotic ulcer with violaceous border

Causes

Idiopathic in 50%

IBD

CTD

Myeloprolif disorders

Necrobiosis Lipoidica Diabeticorum

Shiny, painless area of red/yellow skin on diabetic shin

Oft associated with telangiectasia