2024年4月24日 · 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. Keep in mind that …

2024年12月19日 · A brain tumor can form in the brain cells (as shown), or it can begin elsewhere and spread to the brain. As the tumor grows, it creates pressure on and changes the function of surrounding brain tissue, which causes signs and symptoms such as headaches, nausea and balance problems.

2023年11月16日 · Causes Experts aren't certain exactly what causes head and neck cancers. What causes a cancer may depend on where the cancer starts. Head and neck cancers include cancers that start in the mouth, throat, sinuses and salivary glands. In general, head and neck cancer starts when a cell in the head and neck area develops changes in its DNA.

2022年2月11日 · Lipoma — Comprehensive overview covers symptoms, causes, treatment of this usually harmless fatty tumor that tends to show up in middle age.

2024年3月27日 · Epidermoid (ep-ih-DUR-moid) cysts are harmless small bumps beneath the skin. They are most common on the face, neck and trunk. Epidermoid cysts are slow growing and often painless, so they rarely cause problems or need treatment. You might choose to have a cyst removed if it bothers you, breaks open, or is painful or infected.

2025年1月10日 · An intraneural perineurioma happens most often in children and young adults. It typically causes gradually progressive weakness in an arm or leg. Lipoma. Slow-growing fat cells cause this benign, soft lump that usually appears under the skin on the neck, shoulders, back or arms. A lipoma near a nerve can squeeze it.

2024年1月10日 · Swollen lymph nodes usually occur as a result of infection from bacteria or viruses. Rarely, swollen lymph nodes are caused by cancer. Your lymph nodes, also called lymph glands, play a vital role in your body's ability to fight off infections. They function as filters, trapping viruses, bacteria and other causes of illnesses before they can infect other parts of your body. …

2023年11月16日 · Diagnosis Head and neck cancer diagnosis often begins with an exam of the head and neck area. Other tests might include imaging tests and a procedure to remove some cells for testing. The tests used for diagnosis may depend on the cancer's location. Head and neck cancers include cancers that start in the mouth, throat, sinuses and salivary glands.

2024年11月21日 · Symptoms Signs and symptoms of vertebral tumors include: Back pain in the area of the tumor. Back pain that radiates or shoots from the back to a nearby area. Back pain that's worse at night. Changes in sensation, such as numbness or a feeling of pins and needles. Loss of the ability to move part of the body. Loss of control over the bladder ...

A Baker cyst is a fluid-filled growth behind the knee. It causes a bulge and a feeling of tightness. Also called a popliteal (pop-luh-TEE-ul) cyst, a Baker cyst sometime causes pain. The pain can get worse when with activity or when fully straightening or bending the knee.