Epidermoid cysts - Symptoms and causes - Mayo Clinic
2024年3月27日 · Sometimes this type of cyst forms due to irritation or injury of the skin or a hair follicle. Epidermal cells form the walls of the cyst and then secrete the protein keratin into it. Keratin is the thick, cheesy substance that can leak from the cyst. Risk factors. Anyone can develop an epidermoid cyst, but these factors make it more likely:
Breast cysts - Symptoms and causes - Mayo Clinic
2024年1月9日 · They are usually noncancerous (benign). You may have one or multiple breast cysts. A breast cyst often feels like a grape or a water-filled balloon, but sometimes a breast cyst feels firm. Breast cysts don't require treatment unless a cyst is large and painful or uncomfortable. In that case, draining the fluid from a breast cyst can ease symptoms.
Tumor vs. cyst: What's the difference? - Mayo Clinic
2023年7月22日 · Cyst. A cyst is a sac that may be filled with air, fluid or other material. A cyst can form in any part of the body, including bones, organs and soft tissues. Most cysts are noncancerous (benign), but sometimes cancer can cause a cyst. Tumor. A tumor is any abnormal mass of tissue or swelling. Like a cyst, a tumor can form in any part of the body.
Epidermoid cysts - Diagnosis and treatment - Mayo Clinic
2024年3月27日 · If the cyst is inflamed, your surgery may be delayed. ... et al. Diagnosing common benign skin tumors ...
Ovarian cysts - Symptoms and causes - Mayo Clinic
2023年7月28日 · Dermoid cyst. Also called a teratoma, this cyst forms from reproductive cells that make eggs in the ovary (germ cells). The cyst can contain tissue, such as hair, skin or teeth. This type of cyst is rarely cancer. Cystadenoma. This type of cyst develops from cells on the surface of an ovary. The cyst might be filled with a watery or mucous ...
Kidney cysts - Symptoms and causes - Mayo Clinic
2022年7月13日 · An infected cyst. A kidney cyst may become infected, causing fever and pain. A burst cyst. A kidney cyst that bursts causes severe pain in the back or side. Sometimes a burst cyst may cause blood in the urine. Blocked urine flow. A kidney cyst that blocks the typical flow of urine may lead to kidney swelling.
Breast cysts - Diagnosis and treatment - Mayo Clinic
2024年1月9日 · If a cyst persists, feels firmer or you notice skin changes on the skin over the cyst, follow up with your doctor. Fine-needle aspiration. Fine-needle aspiration may be used to diagnose and treat a breast cyst if all the fluid can be removed from the cyst during the procedure, and then your breast lump disappears and your symptoms resolve.
Jaw tumors and cysts - Symptoms and causes - Mayo Clinic
2022年1月12日 · A tumor is an abnormal growth or mass of tissue. A cyst is a lesion that contains liquid or semisolid material. Examples of jaw tumors and cysts include: Ameloblastoma. This rare, usually noncancerous (benign) tumor begins in the cells that form the protective enamel lining on the teeth. It develops most often in the jaw near the molars.
Benign adrenal tumors - Diagnosis and treatment - Mayo Clinic
2024年5月10日 · Benign adrenal tumors often don't need treatment. Treatment depends on how likely the tumor is to become cancer. Treatment also might depend on whether the tumor is making hormones, the type of hormone it makes and how much it's making. Treatment for small benign adrenal tumors that aren't making hormones might involve watching the tumor.
Benign peripheral nerve tumor - Symptoms and causes
2022年10月19日 · 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. Usually, though, a lipoma causes no pain or other problems. Your health care provider might want to monitor a lipoma through regular checkups. Ganglion cyst.