Site Name: Edema of the dermis

Edema of the dermis is commonly seen in acute contact dermatitis particularly a plant contact but it is also a feature of Sweets syndrome, erythema multiforme and acute polymorphous light eruption.It is due to the accumulation of interstitial fluid.A pale dermis can also be due to mucin in between the collagen strands.

S-Squamous    Acute contact dermatitis(plant)

 

I-Infective    Sweet's syndrome,Cellulitis,Erysipelas,Orf

 

G-Granulomatous

 

N-Neoplastic   Bullous mastocytosis

 

D-Drugs    Fixed drug reaction

 

I-Immunological    Pemphigoid,Dermatitis herpetiformis,Bullous lupus erythematosus,EBA,Urticaria,Eryhtema multiforme,Lichen sclerosus

 

P-Physical    Burns,Polymorphous light eruption,Arthropod bites,Lymphedema

 

M-Metabolic    Porphyria cutanea tarda

 

E-Endocrine  

 

N-Nutritional   

 

Others    Vasculitis

 

Adapted from Practical Dermatopathology by Ronald Rapini. Elsevier Mosby