Mycetoma: a unique neglected tropical disease

Area of Science:

• Medical Mycology
• Infectious Diseases
• Tropical Medicine

Background:

• Mycetoma is a neglected tropical disease affecting subcutaneous tissues, characterized by mass and sinus formation with grain discharge.
• It is caused by either bacteria (actinomycetoma) or fungi (eumycetoma) and typically impacts impoverished communities in remote regions.
• Infection usually occurs via skin penetration from contaminated soil or thorns, with the foot being the most common site.

Purpose of the Study:

• To review the current understanding of mycetoma, including its causes, clinical presentation, diagnosis, and treatment.
• To highlight the difficulties in microbiological diagnosis and the limitations of existing diagnostic and therapeutic strategies.
• To emphasize the need for improved diagnostic tools and effective treatments, particularly for eumycetoma.

Main Methods:

• Review of existing literature on mycetoma.
• Analysis of diagnostic challenges, including microbiological and serological methods.
• Evaluation of current treatment options for both actinomycetoma and eumycetoma.

Main Results:

• Microbiological diagnosis of mycetoma is challenging; molecular techniques show promise for antigen identification.
• Actinomycetoma is treatable with antibiotics like co-trimoxazole and amikacin.
• Eumycetoma lacks effective treatment; antifungals are often ineffective, expensive, and require long-term use, with high rates of amputation and recurrence.

Conclusions:

• Mycetoma poses significant health challenges, particularly eumycetoma, due to diagnostic difficulties and lack of effective treatments.
• Improved diagnostic methods and novel therapeutic strategies are urgently needed to manage mycetoma effectively.
• Further research is essential to develop better treatments and improve patient outcomes for this neglected tropical disease.