Kidney cancer can arise from any of the structures in the kidneys. According to the National Cancer Institute, it includes renal cell carcinoma, arising from the cells lining the small tubes of the kidney, renal pelvis carcinoma, arising from the...
Brain tumors are a mass or growth of abnormal cells in the brain, some of which are cancerous while others are not, the Mayo Clinic explains. The cause of cancerous tumors are not known, but what is clear are existing risk factors that may...
Every person has two kidneys--one on each side of the spine--located behind the abdominal organs. Kidney cancer begins in the kidneys, and while more than one type of kidney cancer exists, the most common in adults is renal cell carcinoma,...
Brain cancer can either originate in the brain or spread from the other parts of the body into the brain, according to the Mayo Clinic. It isn't clear what causes either one of these brain cancer types, but genetics, environmental factors and...
Glioblastoma multiformes (GBM) are the most common, as well as the most aggressive, form of cancerous brain tumors found in humans, according to MayoClinic.com. Treatment can be difficult and prognosis is often poor for people that suffer from...
Cancers of the brain and nervous system are rare but very serious as they have a poor prognosis. The majority of brain cancer cases cannot be explained by any specific underlying medical or genetic conditions, environmental factors or behaviors. A...
According to the report released in 2000 from the American Cancer Society (ACS), brain cancer is the second most common cancer found in children right after leukemia. It affects boys more than girls, and is most common among Caucasian children...
Renal cell carcinoma is a form of kidney cancer, a group of diseases that collectively accounted for 49,096 new diagnoses and 11,033 deaths in the United States in 2009, according to the National Cancer Institute. Renal cell carcinoma originates...
Glioblastoma multiforme, the most aggressive and most common type of primary brain tumor, comprises nearly 25 percent of primary brain tumors, the University of Southern California states. Primary brain tumors, brain tumors that arise in the brain...
The most common type of kidney tumor in America is a renal cell carcinoma, and the number of cases has been increasing. As of 2007, there were approximately 51,000 cases and 8,000 deaths every year from renal cancer, according to David Swanson,...
The adrenal glands, also known as the suprarenal glands, are small hormone-producing organs located on top of each kidney. The adrenal glands produce several hormones, including adrenalin, cortisol and aldosterone. Adrenal gland enlargement is...
Pheochromocytoma is a tumor on the adrenal gland. The adrenal gland is located on either side of your body, just above the kidneys. The adrenal gland secretes hormones that give instructions to almost every part of your body. Adrenaline is...
Brain tumors can arise from any of the diverse cells that make up the brain. The most common brain tumors in adults in the U.S., according to the National Institutes of Health, are gliomas, which arise from the supporting tissue in the brain, and...
Renal cell carcinoma is a type of cancer that affects the small tubes in the kidneys. This is the most common type of renal cancer that affects adults and usually affects men between the ages of 50 and 70. Understanding renal cell carcinoma can...
According to the National Cancer Institute (NCI), brain tumors are the most common solid tumor in children. Brain tumors in children can be benign (not cancer) or malignant (cancer is present). The most common malignant brain tumors in children...
A brain tumor is a mass of abnormal cells in the brain. According to MayoClinic.com, malignant brain tumors are the types of brain tumors that contain cancer cells. Such tumors are a leading cause of cancer-related deaths among people who are...
The kidneys filter the blood, maintain proper blood pressure and protect against nutrient loss in the urine. Kidney cancer develops as a result of uncontrolled cell proliferation within the kidney, leading to tumors that can invade neighboring...
The adrenal glands produce the hormone norepinephrine, a potent form of the "fight or flight" hormone epinephrine. Tumors of the adrenal glands called pheochromocytomas produce abnormally high levels of norepinephrine. These tumors can occur...
Renal cell carcinoma, or RCC, is the most common type of primary kidney cancer. There are several subtypes of RCC, based on the cell type affected, and the most prevalent is clear cell renal cell carcinoma, or CCRCC. According to the Kidney Cancer...
The brain stem is located underneath the two hemispheres of the brain, linking the brain to the spinal cord. The brain stem controls blood pressure, the heartbeat, breathing and the nerves that control hearing, seeing, walking, talking, eating and...
Hypertension, or high blood pressure, appears to have a strong genetic contribution. It can occur as an isolated symptom, in the case of essential hypertension, or as one of many symptoms in a variety of genetic syndromes. Syndromes that affect...
Renal cancer, or kidney cancer, affects the kidneys, the pair of organs responsible for filtering waste and excess water from the blood. Each year, approximately 52,000 people in the U.S. are diagnosed with the disease, according to the American...
