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Cancer - Symptoms and causes - Mayo Clinic
2024年11月19日 · DNA repair genes look for errors in a cell's DNA and make corrections. A mutation in a DNA repair gene may mean that other errors aren't corrected, leading cells to become cancerous. These mutations are the most common ones found in cancer. But many other gene mutations can contribute to causing cancer. What causes gene mutations?
Skin cancer - Symptoms and causes - Mayo Clinic
2022年12月6日 · People who have many moles or abnormal moles called dysplastic nevi are at increased risk of skin cancer. These abnormal moles — which look irregular and are generally larger than normal moles — are more likely than others to become cancerous. If you have a history of abnormal moles, watch them regularly for changes. Precancerous skin lesions.
Tumor vs. cyst: What's the difference? - Mayo Clinic
2023年7月22日 · A tumor can be benign or cancerous (malignant). Cysts that appear uniform after examination by ultrasound or a computerized tomography (CT) scan are almost always benign and should simply be observed.
Bladder cancer - Symptoms and causes - Mayo Clinic
2024年3月29日 · Different types of cells in your bladder can become cancerous. The type of bladder cell where cancer begins determines the type of bladder cancer. Doctors use this information to determine which treatments may work best for you. Types of bladder cancer include: Urothelial carcinoma.
Testicular cancer - Symptoms and causes - Mayo Clinic
2024年10月10日 · Testicular cancer is a growth of cells that starts in the testicles. The testicles, which are also called testes, are in the scrotum.
Prostate cancer - Symptoms and causes - Mayo Clinic
2024年6月14日 · Like other kinds of cancer, prostate cancer starts when cells mutate. These small changes in DNA cause the cells to grow faster and live longer than they normally would. As these abnormal cells accumulate, they monopolize resources from normal cells, which can damage surrounding tissue. These cancerous cells can then spread to other parts of ...
Lymphoma - Symptoms and causes - Mayo Clinic
2024年12月20日 · Signs and symptoms of lymphoma may include: Fever. Night sweats. Fatigue. Itchy skin. Painless swelling of lymph nodes in the belly, neck, armpits or groin.
Mouth cancer - Symptoms and causes - Mayo Clinic
2025年1月16日 · If the oral cancer has spread to lymph nodes in the neck or is large and invading different areas of the mouth, more treatment is required after surgery. This could include radiation, which uses high-power beams of energy to target and destroy the mutated cancerous cells. Sometimes chemotherapy is combined with the radiation.
Melanoma pictures to help identify skin cancer - Mayo Clinic
2023年12月16日 · 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.
Esophageal cancer - Symptoms and causes - Mayo Clinic
2024年5月2日 · Esophageal cancer — Comprehensive overview covers symptoms, causes, types, risks, treatment of cancer of the esophagus.