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Diabetic Foot

Tissue necrosis in the feet is a common reason for hospital admission in diabetic patients.



Foot ulceration occurs as a result of trauma in the presence of neuropathy and peripheral vascular disease with infection occurring as a secondary phenomenon following disruption of the protective epidermis.

The most common cause of ulceration is a plaque of callus skin beneath which tissue necrosis occurs. This eventually breaks through to the surface.


Investigations-

1. Blood glucose.

2. Angiography may be necessary if the foot is ischemic or ulcers are very slow to heal.

Management-

1. Removal of callus skin with a scalpel is usually best done.

2. Local infection is treated with antibiotics.

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