Sporotrichosis differential diagnosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Alison Leibowitz [2]

Differential Diagnosis

Sporotrichosis manifests through a broad range of clinical symptoms shared with multiple different diseases, causing misdiagnosis to be common.

Cutaneous lesions must be differentiated from:

• Cutaneous tuberculosis
• Cutaneous leishmaniasis
• Nocardiosis
• Chromoblastomycosis
• Blastomycosis
• Paracoccidioidomycosis
• Atypical mycobacteriosis

Ulcerating lesions must be differentiated from:

• Pyoderma gangrenosum

Histopathology must be differentiated from other granulomatous diseases, such as:

• Cutaneous tuberculosis
• Leprosy
• Sarcoidosis
• Foreign body granulomas