What is a Small bump on the top of ear?

There are a number of potential causes for a small bump on the top of the ear. Some of the most common include:

* Sebaceous hyperplasia: These are small, non-cancerous growths that can occur anywhere on the body, but are often found on the face, scalp, and ears. They are caused by an overgrowth of sebaceous glands, which produce oil. Sebaceous hyperplasia typically appear as small, round, flesh-colored or yellow bumps.

* Skin tags: These are small, fleshy growths that are attached to the skin by a thin stalk. They are often found on the neck, eyelids, and underarms, but can also occur on the ears. Skin tags are usually painless and harmless, but can be unsightly.

* Keloids: These are raised,疤痕组织that can form after an injury to the skin. They are most common in people with darker skin tones. Keloids can be itchy, painful, and unsightly.

* Hemangioma: These are benign tumors that are made up of blood vessels. They are often found in infants and young children, and can occur anywhere on the body, including the ears. Hemangiomas typically appear as red or purple bumps, and can grow rapidly in the early stages.

* Epidermoid cyst: These cysts are typically located in the eyelid, but can also occur near the ear. Epidermoid cysts usually appear as round or oval bumps under the skin. They can be white or yellow in color and may or may not have a small blackhead in the center.

If you have a small bump on the top of your ear, it is important to see a doctor to get an accurate diagnosis. The doctor can determine the cause of the bump and recommend treatment if necessary.