Actinomucor elegans in Human Infections: A Case Report and Narrative Review of the Literature
Andrea Cosentino1,2, Daniel Vescoli3, Wilhelm Berger4
1Department of Orthopedics and Traumatology, Hospital of Merano (SABES-ASDAA), Teaching Hospital of the Paracelsus Medical University, Merano-Meran, Italy. andreacosentino2@gmail.com.
Introduction:
Actinomucor elegans is an uncommon and underrecognized cause of invasive mucormycosis. While typically affecting immunocompromised individuals, cases have also emerged in trauma patients. This study presents a new case of cutaneous A. elegans infection and reviews the literature to characterize its clinical presentation, diagnostic challenges, and treatment outcomes.
Methods:
We report a clinical case from our institution and conducted a narrative review of the literature. PubMed and Embase were searched through July 2025 for human cases of A. elegans. Studies were included if they provided clinical details on diagnosis or therapy. Data were extracted on demographics, comorbidities, infection site, diagnostics, treatments, and outcomes.
Results:
Six unique cases were identified. Patients included both immunocompromised individuals and immunocompetent trauma victims. Reported infection sites included pulmonary, rhino-orbital, cutaneous, and disseminated forms. All cases were confirmed microbiologically, mainly through culture and sequencing. Liposomal amphotericin B was the primary antifungal agent, occasionally combined with other agents. Surgical debridement was performed in half the cases. The mortality rate was 50%; survival was associated with early diagnosis and antifungal therapy.
Conclusion:
Actinomucor elegans is a rare but clinically significant mucormycete capable of causing severe infections in high-risk patients. Early recognition, combined microbiological diagnostics, and aggressive antifungal management are critical to improving patient outcomes.
Insights
Actinomucor elegans causes invasive mucormycosis in immunocompromised and trauma patients. Early diagnosis and antifungal treatment are crucial for survival in these rare infections.
Area of Science:
- Medical Mycology
- Infectious Diseases
Background:
- Actinomucor elegans is an underrecognized cause of invasive mucormycosis.
- Infections occur in immunocompromised individuals and trauma patients.
Purpose of the Study:
- To present a case of cutaneous A. elegans infection.
- To review literature on A. elegans clinical presentation, diagnostics, and outcomes.
Main Methods:
- Case report and narrative literature review.
- Searched PubMed and Embase for human A. elegans cases.
- Extracted data on demographics, comorbidities, infection site, diagnostics, treatments, and outcomes.
Main Results:
- Six cases identified: immunocompromised and trauma patients.
- Infection sites included pulmonary, rhino-orbital, cutaneous, and disseminated forms.
- Mortality rate was 50%; survival linked to early diagnosis and antifungal therapy.
Conclusions:
- Actinomucor elegans causes severe infections in high-risk patients.
- Early recognition and microbiological diagnostics are critical.
- Aggressive antifungal management improves patient outcomes.
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