Fungus

Cutaneous Blastomycosis

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Cutaneous Blastomycosis

  • See Also
  • Pathophysiology
  1. See Blastomycosis
  2. Direct contact of non-intact skin with contaminated soil or decomposing timber
  • Symptoms
  1. Painful facial lesions (Pustules, ulcers or wart-type lesions)
  • Signs
  1. Distribution: Face (esp. eyebrows)
  2. Verrucous form
    1. Starts as Papule or Pustule with slow enlargement
    2. Later, the lesion forms crust with irregular borders
    3. Secondary Subcutaneous Nodules and abscesses may drain pus
  3. Ulcerative form
    1. Ulcerated lesion with sharp border
    2. Friable red granulation tissue at ulcer base may bleed easily
  • Diagnosis
  1. Microscopy of purulent discharge with Potassium Hydroxide or Calcofluor stain
  2. Skin biopsy
  • Differential Diagnosis
  • Management