Alopecia totalis; A woman with alopecia totalis: Classification and external resources; Specialty: dermatology: ICD-10: L63.0
CBS News Logo CBS News. Ted Kennedy Has Malignant Brain Tumor. Sen. Edward Kennedy, D-Mass., Thursday, Dec. 20, 2001, during a Washington news conference in the Capitol. Doctors say Sen. Edward Kennedy has brain tumor, condition discovered after he had seizure.
Primary brain tumors are tumors that form from cells within the brain. The tumors are categorized by the type of cell in which it first develops. There are over 120 different types of brain tumors, according to the National Brain Tumor Society. The most common primary brain tumors are called gliomas, which originate in the glial (supportive) tissue. About one third of all primary brain tumors and other nervous system tumors form from glial cells.