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These rare tumors most commonly occur in children and young adults. Germ cell tumors range from benign lesions to highly malignant cancer cells, depending where they occur within the two primary areas they generally affect – the pineal or pituitary regions of the brain. Tumo ...

A giant cell astrocytoma is a tumor that grows within the ventricles of the brain. If the tumor blocks the flow of cerebrospinal fluid through the ventricle, it may cause nausea, vomiting, headaches, vision problems or behavior changes. Most giant cell astrocytomas in childr ...

Glioblastoma is the most common tumor of the central nervous system, as well as the most malignant of the brain tumors classified as astrocytomas. They generally occur in people older than 50 and are rare in anyone younger than 30. Best in Care                               ...

Gliosarcoma is a rare brain tumor that combines two types of cancer cells, making it more difficult to predict the growth pattern. Although most brain tumors do not metastasize, gliosarcomas can spread through the blood into the lungs, liver and lymph nodes. Gliosarcomas are ...

Glomus tumors, or paragangliomas, grow slowly but can invade surrounding tissue and cause significant damage. They often appear in the ear cavity, at the base of the skull, or in the upper neck. Women and middle-age adults are most prone to developing this type of tumor. The ...

About 40 percent of these tumors are found on the tongue, but they can grow on skin or any tissue covered with mucous. The tumor is slow growing and usually benign. When malignant, it is often highly aggressive. Granular cell tumors are more common in women. Best in Care   ...

When the pituitary gland malfunctions, it can overproduce growth hormones that spur the development of a tumor. The tumor may go undiagnosed for years because symptoms are subtle or not normally correlated with cancer. Common symptoms include swelling of the hands and feet, ...

These tumors are benign, slow-growing and well-defined, meaning they don’t spread beyond the original tumor formation. They often grow in the lower portion of the brain – the cerebellum – or the brain stem, where they emerge from the lining of the blood vessels. Common sympt ...

Hemangiopericytomas are rare tumors that originate in the cells surrounding the blood vessels located in the meninges – a lining that protects the brain and the spinal cord.  They do not spread to other parts of the brain but can metastasize outside the brain. Symptoms of a ...

Hypothalamic hamartomas are rare benign tumors in the hypothalamus, the region of the brain that regulates the body’s internal balance or homeostasis. These tumors are present at birth, and usually are discovered later in childhood, frequently during an evaluation for epilep ...