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Cutaneous Blastomycosis
Aka: Cutaneous Blastomycosis
- See Also
- Blastomycosis
- Etiology
- Blastomyces dermatidis
- Pathophysiology
- See Blastomycosis
- Direct contact of non-intact skin with contaminated soil or decomposing timber
- Symptoms
- Painful facial lesions (Pustules, ulcers or wart-type lesions)
- Signs
- Distribution: Face (esp. eyebrows)
- Verrucous form
- Starts as Papule or Pustule with slow enlargement
- Later, the lesion forms crust with irregular borders
- Secondary Subcutaneous Nodules and abscesses may drain pus
- Ulcerative form
- Ulcerated lesion with sharp border
- Friable red granulation tissue at ulcer base may bleed easily
- Diagnosis
- Microscopy of purulent discharge with Potassium Hydroxide or Calcofluor stain
- Skin biopsy
- Differential Diagnosis
- Furuncle
- Contagious Ecthyma (Orf)
- Pyogenic Granuloma
- Squamous Cell Carcinoma
- Management
- See Blastomycosis
- References
- Altman (2007) Am Fam Physician 76:1533-4 [PubMed]
- Bradsher (2003) Infect Dis Clin North Am 17:21-40 [PubMed]