There are four main types of skin ulcers: decubitus, venous, arterial, and neuropathic ... Venous ulcers are the most common type of leg ulcer, often caused by weak veins or poor blood flow ...

Pain is an unusual symptom in diabetic foot ulcer and may mask limb threatening complications (such as infection, abscess, critical ischemia). When an ischemic ulcer becomes infected, it may not ...