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Three cases of infection with Fusarium species in neutropenic patients
1Department of Internal Medicine, University Hospital, Federal University of Rio de Janeiro, Brasil.
Abstract:
Three cases are reported of disseminated infection due to Fusarium species in severely neutropenic patients. The clinical findings in all patients included fever, painful disseminated nodular skin lesions and severe myalgia. The outcome was fatal despite early administration of amphotericin B. The portal of entry of the organism was probably the nasal sinus in two cases.
Insights
Disseminated Fusarium infection is a fatal threat in neutropenic patients, causing fever, skin lesions, and myalgia. Early amphotericin B treatment did not prevent fatalities in these reported cases.
Area of Science:
- Mycology
- Infectious Diseases
- Hematology
Background:
- Neutropenia, a condition of low white blood cell count, significantly increases susceptibility to opportunistic infections.
- Fusarium species are ubiquitous fungi that can cause invasive infections in immunocompromised individuals.
Observation:
- Three severely neutropenic patients presented with disseminated Fusarium infections.
- Clinical manifestations included fever, painful nodular skin lesions, and severe myalgia.
- Nasal sinus involvement was suspected as the portal of entry in two cases.
Findings:
- Despite prompt administration of amphotericin B, a standard antifungal medication, all three patients experienced a fatal outcome.
- Disseminated Fusarium infection demonstrated high mortality even with early therapeutic intervention.
Implications:
- This highlights the aggressive nature of Fusarium infections in severely neutropenic hosts.
- Current antifungal strategies may be insufficient, necessitating research into novel treatment approaches.
- Early recognition and source control, potentially including sinus debridement, may be critical.