- Diabetic foot ulcer (DFU): A full-thickness wound, through the dermis, below the ankle on a weight-bearing or exposed surface in an individual with diabetes.
- These ulcerations can have a prolonged period to heal.
- DFUs are categorized as being purely neuropathic, purely ischemic, or neuroischemic (mixed).
- Most common sites: plantar surface of foot (metatarsal heads and midfoot), toes (dorsal interphalangeal joints or distal tip).
- Pathogenesis: DFUs frequently caused by repetitive injury to an insensate or vascular compromised foot.
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