Fusarium subglutinans: A new eumycetoma agent

Area of Science:

• Medical Mycology
• Infectious Diseases
• Molecular Diagnostics

Background:

• Eumycetoma is a chronic subcutaneous fungal infection, typically caused by Madurella species.
• Human infections with Fusarium species, particularly Fusarium solani and Fusarium oxysporum, are recognized opportunistic infections.
• Fusarium subglutinans is a less common cause of human mycetoma.

Purpose of the Study:

• To report a rare case of eumycetoma caused by Fusarium subglutinans.
• To describe the diagnostic methods, including clinical presentation, culture, and PCR sequencing.
• To document the successful treatment outcome.

Main Methods:

• Clinical diagnosis based on the characteristic appearance of eumycetoma.
• Fungal culture for isolation and identification of the causative agent.
• Polymerase Chain Reaction (PCR) sequencing for definitive confirmation of Fusarium subglutinans.

Main Results:

• A case of eumycetoma was successfully diagnosed and attributed to Fusarium subglutinans.
• PCR sequencing confirmed the identification of Fusarium subglutinans.
• The patient achieved a successful clinical outcome following treatment with oral itraconazole.

Conclusions:

• Fusarium subglutinans can cause eumycetoma in humans.
• This represents the second reported human infection and the first case of mycetoma specifically by Fusarium subglutinans.
• Oral itraconazole is an effective treatment for eumycetoma caused by Fusarium subglutinans.