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Diabetic foot infection is any infection of the foot in a diabetic person. [2] The most frequent cause of hospitalization for diabetic patients is due to foot infections. [ 3 ] Symptoms may include pus from a wound, redness, swelling, pain, warmth, tachycardia , or tachypnea. [ 4 ]
Diabetic foot ulcer is a breakdown of the skin and sometimes deeper tissues of the foot that leads to sore formation. It is thought to occur due to abnormal pressure or mechanical stress chronically applied to the foot, usually with concomitant predisposing conditions such as peripheral sensory neuropathy, peripheral motor neuropathy, autonomic neuropathy or peripheral arterial disease. [1]
The resulting bone deformity is known as Charcot foot. Due to advanced peripheral nerve dysfunction associated with diabetes (diabetic neuropathy), patients' feet have a dryness of the skin and a reduced ability to feel pain (nociception).
The pus comes out and a hole forms under which the lesion grows deeper. This leads to punched-out, painless ulcers usually under metatarsal heads, tip of toe, or proximal interphalangeal joint of a hammertoe or on the heel. [3] In non-ambulatory patients, these ulcers are found on buttocks and back of the heel. [citation needed]
Often, the body will try to create new bone around the area of necrosis. The resulting new bone is often called an involucrum. [13] On histologic examination, these areas of necrotic bone are the basis for distinguishing between acute osteomyelitis and chronic osteomyelitis. Osteomyelitis is an infective process that encompasses all of the bone ...
3 Disorders of the bones. 4 Disorders of the nerves. 5 Combined disorders. 6 Genetic disorders. ... Athlete's foot; Callus and Corns of the Skin; Onychocryptosis ...
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