Mycetoma in Children: Experience With 15 Cases

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Abstract
Mycetoma is a chronic infection caused by aerobic actinomycetes and filamentous fungi. It is an occupational disease frequent in tropical countries and is uncommon in children. A retrospective (25 years) report of mycetomas was conducted in children less than 15 years of age. Each of the cases was studied clinically and proven with microbiologic tests: direct examinations (to identify and classify the grains), cultures and identification based on morphology and biochemical tests. The therapeutic experience of the cases was also reviewed. In a 25-year period, a total of 334 mycetomas were seen at our institution, 15 of which (4.5%) were in patients 15 years of age and younger (mean age: 11.2 years, age range: 6–15 years). Twelve cases were males and 3 females. The main clinical location was the foot in 10 of 15 (66.6%). Etiologies included 13 actinomycetomas and 2 eumycetomas. Etiologic agents were Nocardia brasiliensis in 12 cases, Nocardia asteroides in one and Madurella mycetomatis in 2. Eleven of the13 cases of actinomycetomas treated with trimethoprim–sulfamethoxazole plus diaminodiphenylsulfone were cured. The 2 failures were successfully treated with amoxicillin/clavulanate. One of the eumycetomas was cured with itraconazole therapy, whereas the other failed various treatments eventuating in surgical amputation. Mycetomas are exceptional in children; in our setting, actinomycetomas are more frequent than eumycetomas. The clinical and microbiologic diagnosis is simple. Overall, treatment response is better for actinomycetomas than for eumycetomas.

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