A 40-year-old immunocompetent woman presents with a 3-week history of progressive nodular lymphangitis along her left arm following a gardening injury. She has a small, painless ulcer on her index finger. Vital signs: BP 118/76, HR 88, RR 16, Temp 37.2°C, SpO2 98%. Chest X-ray is normal. Culture on Sabouraud dextrose agar grows a dimorphic fungus that converts to yeast at 37°C. She denies antifungal therapy. Which organism is most likely?
- A)Chromoblastomycosis
- B)Coccidioidomycosis
- C)Blastomycosis
- D)SporotrichosisGABARITO
- E)Leishmaniasis
Explicação
Sporotrichosis (Sporothrix schenckii) is acquired through minor skin inoculation, typically from plants or animals. The painless ulcer with lymphocutaneous spread (nodular lymphangitis) along the lymphatic chain is pathognomonic. It is dimorphic (yeast at body... Ver explicação completa e trilha adaptativa →