Mycetoma is a chronic granulomatous infection of the skin and underlying tissues, which affects remote populations in tropical and subtropical countries. We report the case of a 35-year-old male with an over 10 year history of left foot mycetoma, who initially presented with diffuse non-draining papules, edema, and dull chronic pain of the left foot. Radiographic imaging depicted erosive changes throughout the left midfoot and forefoot, while bone biopsy of the left navicular and first metatarsal confirmed actinomycetes. After being prescribed amoxicillin-clavulanate and trimethoprim-sulfamethoxazole and undergoing surgical debridement, the patient had marked improvements with less frequent pain and fewer blisters. One year later, the patient’s ankle joint remained untouched by mycetoma, yet his condition began to deteriorate with the reemergence of draining granules and chronic pain. As of now, the patient has been scheduled for below-the-knee limb amputation. The treatment of mycetoma aims to preserve limb function and prevent recurrences, but further research and investigations are necessary.
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