osteomyelitis chronic foot infection actinomycetoma eumycetoma madura foot rare medical case painless subcutaneous nodules case management rare foot infection differentials of diabetic foot mycetoma foot ulcers tmp-smx medicine debridement infected foot microscopic findings streptomycin terbinafine foot infection medical grand rounds infected wound rare medical cases foot swelling trimetophrim-sulfamethoxazole surgical intervention dot-in-circle sign case report
Tout plus