Michael H. Tirgan's Classification of keloids

Shapes

Shape and appearance of your keloids
(answer as many as applies to your keloids, you may have keloids that have different appearances)

FLAT
Keloid grows flat on the surface of the skin

LINEAR
Keloid is a flat keloid that grows in a linear manner

NODULAR
Keloid is round and almost the shape of half of a round marble.

PEDUNCULATED
Keloid is like a mushroom with a base that is attached to the underlying skin.

MASSIVE
Keloid occupies a very large area of the skin and is very thick.

SUPERFICIALLY SPREADING
Keloid spreads and covers a very large area of the skin.