A lump behind the ear can have many possible causes. The most common include swollen lymph nodes caused by an uncomplicated infection. These lumps are typically harmless and relatively easy to treat.

The growth of these two body parts isn’t dramatic, however. Your pelvis might gain an inch in diameter between the ages of 20 and 79, and your skull may get slightly more prominent around the ...

Cartilage also composes most of the outer ear. Cartilage is a unique tissue type because it doesn’t have blood vessels ... doctors have found some methods that can stimulate new cartilage growth.

A cartilage piercing bump may be tiny and appear under the skin or so large that it changes the shape of the ear. Sometimes the bump is painful and swollen or may even ooze pus . Other bumps may ...

Sometimes, cartilage will grow over an area of exostosis, which is called osteochondroma. ... The bony growths can cause the ear canal to become blocked, trapping water and earwax inside.

It's a noncancerous bone tumor that doesn't spread to other parts of your body. It forms on top of existing bone tissue, usually in places such as your ankles, feet, toes, ear canals, sinus cavity ...