Primary Brain Neoplasm:
A primary brain neoplasm, also known as primary brain tumor or intracranial tumor, refers to an abnormal new growth of cells that develops within the brain itself. Unlike secondary brain tumors, which originate from cancer cells that spread to the brain from another part of the body, primary brain neoplasms arise from the brain tissue directly.
These neoplasms can be either benign or malignant, indicating their potential for growth and invasion into surrounding brain tissue. Benign tumors are characterized by slow growth, distinct borders, and non-spreading nature, while malignant tumors are typically aggressive, invasive, and prone to metastasizing to other parts of the central nervous system.
Primary brain neoplasms can arise from various types of brain cells, including glial cells (astrocytomas, oligodendrogliomas, ependymomas), meningothelial cells (meningiomas), brainstem cells (gliomas), or cells in the pituitary gland (pituitary adenomas).
These tumors can cause a range of symptoms, depending on their size, location, and rate of growth. Common symptoms may include headaches, seizures, cognitive impairment, sensory or motor deficits, changes in behavior or personality, and difficulties with speech and/or vision.
Diagnosis of primary brain neoplasms involves a combination of medical history review, neurological examination, imaging tests (such as MRI or CT scans), and, in some cases, a biopsy to confirm the type and grade of the tumor. Treatment options can include surgical removal, radiation therapy, chemotherapy, targeted drug therapy, or a combination of these approaches, tailored to the specific characteristics of the tumor and the individual patient.
