Skin lesion of Blastomycosis

Symptoms:

• skin lesion
  • small
  • papule, pustule, nodule, plaque
  • under the skin (subcutaneous)
  • abrupt downward sloping border
  • located on the legs, arms, hands, or face (most commonly)
  • surface appearance rough and wart-like
  • may ulcerate or erode
  • usually extend, leaving a central scar

Signs and tests:

The diagnosis is primarily based on the appearance of the lesion and substantiated by a history of residence in a relevant geographical area.

The diagnosis of infection with Blastomyces may be confirmed by skin biopsy. A CBC may show signs of infection, such as elevated WBC, elevated sedimentation rate, and anemia (nonspecific).