When a bump on the head is a serious injury - Mayo Clinic
2024年4月24日 · 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.
Bruise: First aid - Mayo Clinic
2024年4月17日 · Apply an ice pack wrapped in a thin towel. Leave it in place for 20 minutes. Repeat several times for a day or two after the injury. This helps to reduce the swelling and pain. If the bruised area is swelling, put an elastic bandage around it, but not too tight. If the skin isn't broken, you don't need to bandage a bruise.
Easy bruising: Why does it happen? - Mayo Clinic
Generally, harder blows cause larger bruises. However, if you bruise easily, even a minor bump can result in a substantial bruise. Some people — especially women — are more prone to bruising than others. As people get older, the skin becomes thinner and loses some of the protective fatty layer that helps cushion blood vessels from injury.
Intracranial hematoma - Symptoms and causes - Mayo Clinic
2024年6月8日 · Symptoms of an intracranial hematoma may develop right after a head injury, or they may take weeks or longer to appear. There may be a period of time without symptoms after a head injury. This is called the lucid interval. Over time, pressure on the brain increases, producing some or all of the following symptoms: Headache that gets worse.
Melanoma pictures to help identify skin cancer - Mayo Clinic
2023年12月16日 · Melanoma pictures for self-examination. 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. The American Academy of Dermatology advises watching skin spots for: Asymmetry. Border irregularity. Color changes. Diameter greater than 1/4 inch (about 6 millimeters).
Giant cell arteritis - Symptoms and causes - Mayo Clinic
The most common symptoms of giant cell arteritis are head pain and tenderness — often severe — that usually affects both temples. Head pain can progressively worsen, come and go, or subside temporarily. Generally, signs and symptoms of giant cell arteritis include: Persistent, severe head pain, usually in your temple area. Scalp tenderness.
Petechiae - Mayo Clinic
2005年7月24日 · Definition. By Mayo Clinic Staff. Petechiae (puh-TEE-kee-ee) are pinpoint, round spots that form on the skin. They're caused by bleeding, which makes the spots look red, brown or purple. The spots often form in groups and may look like a rash. The spots are often flat to the touch and don't lose color when you press on them.
Angiosarcoma - Symptoms & causes - Mayo Clinic
2022年5月17日 · Most often, angiosarcoma occurs in the skin on the head and neck. It often happens on the scalp. Symptoms of this form of angiosarcoma include: A raised area of skin that looks like a bruise. A bruise-like lesion that grows larger over time. A lesion that may bleed when scratched or bumped. Swelling in the skin around the lesion.
Boils and carbuncles - Symptoms & causes - Mayo Clinic
2021年9月18日 · A carbuncle is a cluster of boils that form a connected area of infection under the skin. Boils (furuncles) usually start as reddish or purplish, tender bumps. The bumps quickly fill with pus, growing larger and more painful until they rupture and drain. Areas most likely to be affected are the face, back of the neck, armpits, thighs and buttocks.
Traumatic brain injury - Symptoms & causes - Mayo Clinic
2021年2月4日 · Traumatic brain injuries at the base of the skull can cause nerve damage to the nerves that emerge directly from the brain (cranial nerves). Cranial nerve damage may result in: Paralysis of facial muscles or losing sensation in the face. Loss of or altered sense of smell or taste. Loss of vision or double vision.