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An Unusual Presentation of Blastomycosis-Like Pyoderma Gangrenosum
Richard Simman1, Darren Gordon2, Mary Steven3
1Department of Pharmacology and Toxicology, Boonshoft School of Medicine, Wright State University, Dayton, Ohio; Jobst Vascular Institute, ProMedica Health Network, Toledo, Ohio; University of Toledo, College of Medicine and Life Sciences, Toledo, Ohio.
Introduction:
Pyoderma gangrenosum (PG) is a complex disease that has the potential to mimic a wide variety of diseases and disorders. Pyoderma is a disease of exclusion, but it has many variants, including ulcerative, bullous, and pustular forms. Owing to the complexity of the disease, careful diagnosis is important because inappropriate treatment can result in wound recurrence.
Case Report:
A 74-year-old female presented to the clinic with a presumed diagnosis of squamous cell carcinoma on biopsy but with an abnormal presentation mimicking a blastomycosis lesion. After surgical excision of the lesion in the operating room, the final pathology report confirmed the diagnosis of blastomycosis-like pyoderma gangrenosum. The patient was treated with high-dose prednisone and skin grafts, which resulted in resolution of the wound.
Conclusions:
This case report highlights the need to involve a wide array of health care providers in the management of complex and recurring wounds as well as the need to consider a wide and diverse differential diagnosis when determining the final diagnosis of complex wounds.
Insights
Pyoderma gangrenosum (PG) is a rare inflammatory skin disease that can mimic other conditions. This case highlights the importance of considering diverse diagnoses for complex wounds to ensure appropriate treatment and prevent recurrence.
Area of Science:
- Dermatology
- Pathology
Background:
- Pyoderma gangrenosum (PG) is a rare, ulcerative skin disease with diverse clinical presentations.
- Accurate diagnosis is crucial as misdiagnosis can lead to treatment failure and wound recurrence.
Observation:
- A 74-year-old female presented with a lesion initially suspected as squamous cell carcinoma.
- The lesion's unusual presentation mimicked blastomycosis, complicating the initial diagnosis.
Findings:
- Histopathological examination confirmed blastomycosis-like pyoderma gangrenosum.
- Treatment with high-dose prednisone and skin grafts led to wound resolution.
Implications:
- This case underscores the necessity of a broad differential diagnosis for complex wounds.
- Multidisciplinary healthcare collaboration is vital for managing challenging cases of pyoderma gangrenosum.
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