What Is a Cutaneous Horn? A cutaneous horn is a funnel-shaped growth that grows from a red base on the skin and is made of compacted keratin, the same protein in nails. It's shaped like an animal horn ...

Most people with lupus have it affect the skin. The types of rashes can be divided into two large groups. First, when lupus affects the skin with problems only seen in lupus, it’s called cutaneous ...

Dan Baumgardt does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...