A Rare Cause of Diabetic Foot Ulcer: Polydactyly

Le résumé fourni par la source

Loss of sensation, loss of sweating and muscle atrophy, and deformity due to diabetic neuropathy are common risk factors for development of diabetic foot ulcer. However, polydactyly has been identified as a risk factor for diabetic foot ulcer only in one report. A 56 year old, female, with six toes on the left foot (duplication of fifth toe) was admitted with a purulent ulceration of 2x3 cm in size and 0.5 cm in depth on the middle of fifth metatarsal bone and abscess formation on the sixth toe. There was a 4x48 millimeter soft tissue abscess formation on the dorsal side of left foot with a wide fistula to the skin in magnetic resonance imaging. The pathophysiology of ulcer formation in a diabetic foot is complex and usually related with neuropathy and angiopathy. Polydactyly may represent an additional risk factor for diabetic foot ulcer development as well as other local risk factors such as increased pressure or change of pressure point due to deformation of foot, peripheral edema, callus formation and dry skin.

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