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Invasive, aggressive mastoid bone eumycetoma: a treatment challenge
Abubaker Ahmed Yosif1, Sahar Mubarak Bakhiet1,2, Tagwa Hayder Abdalla3
1Mycetoma Research Centre, University of Khartoum, Khartoum, Sudan.
Summary
Mycetoma, a chronic fungal or bacterial infection, can aggressively invade bone, as seen in this rare case of mastoid bone eumycetoma. Effective treatment remains challenging, especially for drug-resistant Madurella mycetomatis infections.
Area of Science:
- Medical Mycology
- Infectious Diseases
- Surgical Pathology
Background:
- Mycetoma is a chronic granulomatous infection affecting subcutaneous and deep tissues, caused by fungi (eumycetoma) or bacteria (actinomycetoma).
- Accurate etiological diagnosis is crucial for effective treatment and patient management.
- While typically affecting extremities, mycetoma can rarely involve the head and neck, including bone structures.
Purpose of the Study:
- To report a rare case of invasive and aggressive eumycetoma affecting the mastoid bone.
- To highlight the diagnostic and therapeutic challenges associated with Madurella mycetomatis bone infections.
Main Methods:
- Case report presentation.
- Clinical and radiological assessment.
- Microbiological identification of the causative agent.
Main Results:
- An invasive and aggressive mastoid bone eumycetoma caused by Madurella mycetomatis was identified.
- The patient presented challenges in treatment due to resistance to prolonged and varied antifungal therapies.
Conclusions:
- Mastoid bone eumycetoma is a rare but aggressive manifestation of mycetoma.
- Effective management of Madurella mycetomatis bone infections requires tailored therapeutic strategies, often facing significant challenges.

