Question:
Which fungal infection is classically acquired by traumatic inoculation?
Which fungal infection is classically acquired by traumatic inoculation?
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Think rose-gardener's disease, a thorn prick seeds the skin and the nodules climb the lymphatics.
Updated On: Jun 23, 2026
- Sporothrix schenckii
- Blastomyces (blastomycosis)
- Coccidioides
- Paracoccidioides
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The Correct Option is A
Solution and Explanation
Answer: Sporothrix schenckii.
Step 1: Sporothrix schenckii is a thermally dimorphic fungus that lives on vegetation, sphagnum moss, rose bushes and other plants. This is why sporotrichosis is nicknamed rose-gardener's disease.
Step 2: Infection happens when conidia or hyphal fragments are pushed into the skin by a thorn prick or other trauma. This traumatic inoculation seeds a chronic granulomatous infection that spreads along lymphatics as a chain of nodules and ulcers.
Step 3: The other three are inhalational mycoses. Blastomyces, Coccidioides and Paracoccidioides all enter through the lungs as inhaled conidia, not by skin trauma, so they do not fit.
Ref: Jawetz Medical Microbiology, 27e, p. 670.
Step 1: Sporothrix schenckii is a thermally dimorphic fungus that lives on vegetation, sphagnum moss, rose bushes and other plants. This is why sporotrichosis is nicknamed rose-gardener's disease.
Step 2: Infection happens when conidia or hyphal fragments are pushed into the skin by a thorn prick or other trauma. This traumatic inoculation seeds a chronic granulomatous infection that spreads along lymphatics as a chain of nodules and ulcers.
Step 3: The other three are inhalational mycoses. Blastomyces, Coccidioides and Paracoccidioides all enter through the lungs as inhaled conidia, not by skin trauma, so they do not fit.
Ref: Jawetz Medical Microbiology, 27e, p. 670.
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