More severe symptoms such as non-healing ulcers ... round-shaped scaly patches that appear on the shins. They're harmless and don't hurt, itch, or open up . According to Dr. Paras Agarwal ...

The patches are usually on the shins, but may appear in the upper ... itch along the edge of your shoulder blade. The itching (and other symptoms) are caused by a pinched nerve root, usually ...