In-depth

Acromegaly

Acromegaly is an uncommon hormonal disorder caused by the overproduction of growth hormone. It typically causes signs such as enlarged hands and feet.

Acute lymphocytic leukemia

Acute lymphocytic leukemia is a type of leukemia that affects immature white blood cells. It's the most common cancer in children and adolescents.

Anal cancer

Though anal cancer is rare, incidence of anal cancer is increasing. Find out the symptoms and causes of cancer of the anal canal.

Bladder cancer

Bladder cancer is often diagnosed early — when it's most treatable. But even with successful treatment, bladder cancer survivors need follow-up tests for years to come.

Bone cancer

Bone cancer is an uncommon type of cancer that begins in a bone. It can affect both adults and children.

Breast cancer

Breast cancer is the disease that many women fear most. But early detection and lifestyle changes may reduce your risk.

Cancer

Learn about cancer, what it looks like and what causes it.

Cancer treatment

Cancer treatment information for patients, including research and clinical trials at Mayo Clinic.

Cancer treatment for men: Possible sexual side effects

Find out which cancer treatments are most likely to cause side effects that make having sex more difficult.

Cancer treatment for men: Possible sexual side effects

Find out which cancer treatments are most likely to cause side effects that make having sex more difficult.

Castleman disease

Castleman disease is a rare illness that affects your lymph nodes and other immune-cell structures of your body.

Cervical cancer

Cervical cancer is a common and often preventable reproductive cancer. Find out what cervical cancer is and how it's treated.

Colon cancer

Colon cancer and rectal cancer combined are the second-leading cause of cancer-related deaths in the United States. Regular screening tests can help reduce your risk.

Ductal carcinoma in situ (DCIS)

Usually first detected on a mammogram, DCIS is an early, treatable form of breast cancer. But left untreated, it could become an invasive breast cancer.

Endometrial cancer

Endometrial cancer is one of the most common cancers in women. If detected early, this cancer is often successfully treated.

Esophageal cancer

Reduce your risk of esophageal cancer by eating more fruits and vegetables.

Eye melanoma

Although melanoma is commonly a type of skin cancer, it can also occur in your eye. Eye exams can often detect this rare cancer.

Fertility preservation

Wonder how cancer treatment could affect your fertility? Understand what you can do to preserve your fertility before starting treatment.

Gallbladder cancer

Gallbladder cancer is an uncommon cancer that begins in your gallbladder.

Hodgkin's lymphoma

Hodgkin's lymphoma (Hodgkin's disease) is cancer of the lymphatic system. Many early symptoms of this cancer resemble those of the flu.

Hurthle cell cancer

Hurthle cell cancer is a rare type of thyroid cancer. Surgical removal of the thyroid gland is usually required.

Inflammatory breast cancer

Inflammatory breast cancer occurs when cancer cells clog lymphatic vessels in the skin of the breast. It's a rare but deadly form of cancer.

Invasive lobular carcinoma

Invasive lobular carcinoma is a form of breast cancer that develops in a milk-producing lobule of breast tissue.

Kidney cancer

When kidney cancer is diagnosed and treated early, the chances for recovery are better.

Leukemia

Leukemia is a cancer in which abnormal white blood cells proliferate. Although it's often perceived as a children's disease, leukemia also occurs in adults.

Liver cancer

The risk of liver cancer may be reduced by protecting yourself from serious liver diseases such as cirrhosis and hepatitis B and C.

Liver hemangioma

Liver hemangioma is the most common type of noncancerous (benign) liver mass. Learn how doctors treat liver hemangioma.

Lung cancer

Smoking increases your risk of lung cancer. Quit now and reduce your risk.

Male breast cancer

For male breast cancer, awareness and early diagnosis are key to successful treatment.

Melanoma

The risk of melanoma among young adults, especially women, is on the rise. Find out how to reduce your risk of this dangerous skin cancer.

Meningioma

Seizures, headaches and memory loss can be the troubling symptoms of this slow-growing tumor. Find out more.

Merkel cell carcinoma

Merkel cell carcinoma is a rare, aggressive skin cancer. Chronic sun exposure or a weak immune system may increase your risk of developing it.

Mesothelioma

Mesothelioma is a type of cancer closely linked to asbestos exposure. Find out the signs and symptoms of malignant mesothelioma and how to protect yourself.

Mouth cancer

Mouth cancer includes cancer that occurs in the mouth or on the lips.

Multiple myeloma

Multiple myeloma is cancer of your bone marrow plasma cells. The disease can make you prone to infections and damage your bones and kidneys.

Myelofibrosis

In myelofibrosis, healthy bone marrow is replaced with scar tissue, leading to severe anemia and fatigue.

Nasopharyngeal carcinoma

Nasopharyngeal carcinoma is rare in the United States but more common in some other parts of the world.

Neuroblastoma

Neuroblastoma most commonly affects children age 5 and younger. It's the most common form of cancer in babies.

Neurofibromatosis

Neurofibromatosis — Comprehensive overview covers symptoms, diagnosis and treatment of this genetic disorder.

Non-Hodgkin's lymphoma

Non-Hodgkin's lymphoma is cancer originating in the lymphatic system. It's caused by abnormal white blood cells, and often the only sign is swollen lymph nodes.

Pancreatic cancer

Pancreatic cancer is often fatal. Find out which new treatments offer hope.

Pet therapy

Therapy animals can provide comfort during illness and help speed recovery.

Peyronie's disease

Curved, painful erections are often a sign of Peyronie's disease. Find out about diagnosis and treatment.

Pheochromocytoma

A pheochromocytoma is a rare adrenal gland tumor that can produce large amounts of certain hormones and seriously raise blood pressure.

Pituitary tumors

Pituitary tumors are abnormal growths in the pituitary gland in the brain. Most are noncancerous (benign). Some may cause overproduction of hormones and associated problems.

Prolactinoma

Prolactinoma is a tumor in the pituitary gland that causes overproduction of the hormone prolactin. Too much prolactin can cause infertility or sexual dysfunction.

Prostate cancer

Prostate cancer is a common cancer affecting men. But with early detection, you improve your chances of successful treatment.

Recurrent breast cancer

Recurrent breast cancer — Comprehensive overview covers symptoms, diagnosis and treatment for breast cancer recurrence.

Retinoblastoma

Retinoblastoma is a cancerous tumor of the eye that generally affects young children. If retinoblastoma is detected early, a cure is possible.

Salivary gland cancer

Salivary gland cancer is a rare form of cancer that often begins with a painless lump in the mouth, throat or neck.

Scrotal masses

A scrotal mass is a lump or other abnormality in the scrotum that may affect the health of testicles. A scrotal mass may be cancerous.

Skin cancer

The risk of melanoma, one form of skin cancer, is on the rise among young adults. Most skin cancers are preventable. Find out how to reduce your risk.

Soft tissue sarcoma

Soft tissue sarcomas are uncommon cancers that originate in the soft tissues of your body.

Spinal tumor

A spinal tumor can cause back pain, loss of sensation — even paralysis. But recent advances offer more treatment options than ever before.

Squamous cell carcinoma

Find out how to prevent squamous cell carcinoma — a common type of skin cancer.

Stomach cancer

Reduce your risk of stomach cancer by eating more fruits and vegetables.

Testicular cancer

Testicular cancer is highly treatable, even when it has spread beyond the testicle.

Throat cancer

The most common throat cancers are linked to smoking and excessive alcohol use.

Thyroid cancer

For people diagnosed with the most common forms of thyroid cancer, the prognosis is usually excellent.

Vaginal cancer

Vaginal cancer is a rare cancer that typically occurs in older women.

Vulvar cancer

Cancer of the vulva, the outer part of the female genitalia, is rare. It occurs most often in older women.

Wilms' tumor

Wilms' tumor is a rare kidney cancer that primarily affects children.

Jul. 16, 2011