A skin ulcer simply means a loss of a patch of skin. There are many causes for this. In your case, the cause comes from the veins just under the ulcer. Your veins are a little bigger than normal. These are called varicose veins because they look a bit like a wine bottle from ancient Greece (varix).
Garbage fills a street in Aleppo, Syria, on Feb 11, 2013. Doctors in Aleppo and Deir al-Zor have reported outbreaks of leishmaniasis, a tropical disease transmitted by sand-flies that causes skin ulcers resembling leprosy, the WHO said. Poor waste management & lack of hygiene have fueled its spread, but the U.N. agency is trying to deliver medicines to both hotspots. Syria's civil unrest, which began in Apl '11, has led to the deaths of more than 60k people.
The article focuses on the scientifically proven abilities of colloidal silver to kill bacteria, fungi and viruses and its application in treatment of common skin ailments, such as acne, eczema, warts, inflammations and others.