When a bump on the head is a serious injury - Mayo Clinic
Apr 24, 2024 · Probably not. Head trauma from play or sports is a common concern for parents, but rarely does a bump on the head result in serious injury. The forehead and scalp have a large blood supply. Injury to these areas often results in bleeding under the skin. When the bleeding is in just one area, it causes bruising and swelling, known as a hematoma.
Intracranial hematoma - Symptoms and causes - Mayo Clinic
Jun 8, 2024 · Causes. The most common cause of an intracranial hematoma is a head injury. A head injury that causes bleeding within the skull may result from motor vehicle or bicycle accidents, falls, assaults, and sports injuries.
Epidermoid cysts - Symptoms and causes - Mayo Clinic
Mar 27, 2024 · A small, round bump under the skin, often on the face, neck or trunk; A tiny blackhead plugging the central opening of the cyst; A thick, smelly, cheesy substance that leaks from the cyst; An inflamed or infected bump; When to see a doctor. Most epidermoid cysts don't cause problems or need treatment. See your healthcare professional if you ...
Actinic keratosis - Symptoms & causes - Mayo Clinic
Dec 17, 2022 · Flat to slightly raised patch or bump on the top layer of skin; In some cases, a hard, wartlike surface; Color variations, including pink, red or brown; Itching, burning, bleeding or crusting; New patches or bumps on sun-exposed areas of the head, neck, hands and forearms
Seborrheic keratosis - Symptoms & causes - Mayo Clinic
Jan 18, 2022 · A round or oval-shaped waxy or rough bump, typically on the face, chest, a shoulder or the back; A flat growth or a slightly raised bump with a scaly surface, with a characteristic "pasted on" look; Varied size, from very small to more than 1 inch (2.5 centimeters) across; Varied number, ranging from a single growth to multiple growths
Boils and carbuncles - Symptoms & causes - Mayo Clinic
Sep 18, 2021 · A boil is a painful, pus-filled bump that forms under your skin when bacteria infect and inflame one or more of your hair follicles. A carbuncle is a cluster of boils that form a connected area of infection under the skin. Boils (furuncles) usually start as …
Giant cell arteritis - Symptoms and causes - Mayo Clinic
Causes. With giant cell arteritis, the lining of arteries becomes inflamed, causing them to swell. This swelling narrows your blood vessels, reducing the amount of blood — and, therefore, oxygen and vital nutrients — that reaches your body's tissues.
Head trauma: First aid - Mayo Clinic
Dec 18, 2024 · Follow these first-aid steps while waiting for emergency medical help to arrive: Keep the person still. The injured person should lie down with the head and shoulders slightly elevated.
Melanoma pictures to help identify skin cancer - Mayo Clinic
Dec 16, 2023 · Melanoma is a serious form of skin cancer. It often can be cured if found early. These melanoma pictures can help show you what to look for.
Spider bites - Symptoms & causes - Mayo Clinic
Jul 30, 2021 · Typically, a spider bite looks like any other bug bite — a red, inflamed, sometimes itchy or painful bump on your skin — and may even go unnoticed. Harmless spider bites usually don't produce any other symptoms. Many skin sores look the same but have other causes, such as a bacterial infection.