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Diabetic ulcers are one example of neuropathic ulcers.
Peripheral neuropathy causes ulceration through its effects on the sensory, motor and autonomic nerves:
They always occur on the foot, usually on the plantar aspect under the metatarsal heads or on the plantar aspects of the toes (3).
Note that infection may spread quickly and may lead to extensive limb-threatening necrosis and septicaemia.