Info
A. Palpable Purpura
- Gonococcemia
- Meningococcemia
- Vasculitis
- Purpura Group: Henoch-Schonlein, Hypersensitivity, Cryoglobulinemia
- ANCA+ Group: polyarteritis nodosa, Behcet's Disease
- Drug Hypersensitivity - especially hydralazine, procainamide, sulfa drugs
- Cholesterol Emboli
- Rocky Mountain Spotted Fever
- Cardiac Myxoma
B. Non-Palpable Purpura
- Disseminated Intravascular Coagulopathy
- Subacute Bacterial Endocarditis
- Vitamin C Deficiency - Scurvy
C. Vesicles and Bullae
- Erythema Multiforme - target lesions
- Stevens-Johnson Syndrome - target lesions with mucocutaneous vesicular eruptions
- Toxic Epidermal Necrolysis
- Staphylococcal scalded skin syndrome (S. aureus)
- Pseudomonas Sepsis - pyoderma gangrenosum
- Pemphigus Vulgaris bullae not easily extended
- Bullous pemphigoid - rare disease; bullae easily extended)
D. Cellulitis [1]
- Common
- Deep vein thrombosis
- Superficial thrombophlebitis
- Contact dermatitis
- Insect stings
- Drug reactions
- Eosinophilic cellulitis (Wells Syndrome)
- Gouty arthritis
- Foreign body reactions
- Uncommon
- Carcinoma erysipelatoides
- Familial Mediterranean fever (FMF)
- Urticaria
- Lymphedema
- Systemic lupus
- Sarcoid
- Lymphoma / Leukemia
- Paget disease
- Panniculitis
References
- Falagas ME and Vergidis PI. 2005. Ann Intern Med. 142(1):47
