Meningeal cancer is a type of cancer that affects the meninges, the protective membranes surrounding the brain and spinal cord. The correct pronunciation of the word is /məˈnɪn.dʒiəl ˈkæn.sər/. The first syllable "men-" is pronounced with a short "e" sound, followed by a "nin" sound, and then a "dzh" sound for "geal." The stress is on the second syllable with a pronounced "a" sound. The word "cancer" is pronounced with a short "a" sound in the first syllable and a short "e" sound in the second syllable.
Meningeal cancer, also known as meningioma or meningeal carcinoma, is a type of cancer that affects the meninges, which are the three protective membranes that surround the brain and spinal cord.
This condition occurs when abnormal cells begin to grow and divide uncontrollably within the meninges, forming a tumor. Meningeal cancer can arise from the cells of the arachnoid, dura mater, or pia mater, which are the three layers composing the meninges.
The exact cause of meningeal cancer remains unknown; however, certain risk factors such as radiation exposure, genetic factors, certain hormonal imbalances, and previous head injuries have been implicated. Symptoms of meningeal cancer may include persistent headaches, dizziness, seizures, blurred vision, personality changes, difficulty concentrating, or weakness in the limbs. In some cases, individuals may remain asymptomatic until the tumor grows large enough to exert pressure on surrounding structures.
Diagnosis of meningeal cancer typically involves various imaging techniques such as magnetic resonance imaging (MRI) or computed tomography (CT) scan, as well as a biopsy to confirm the presence of cancerous cells. Treatment options for meningeal cancer depend on the tumor grade, location, and overall health of the patient. They may include surgical removal of the tumor, radiation therapy, chemotherapy, or a combination of these approaches.
Prognosis for meningeal cancer varies depending on factors such as tumor size, grade, location, and response to treatment. With early detection and appropriate treatment, many individuals with meningeal cancer can experience long-term remission and improved quality of life.
The word "meningeal" originates from the Latin term "meninx", meaning "membrane" or "covering". The term "cancer" is traced back to the Latin word "cancer", which means "crab". This term was given to describe tumors due to the way they spread and the crab-like appearance they could have, as cancerous cells sometimes colonize and expand from their primary site. Therefore, the etymology of "meningeal cancer" refers to cancerous growth in the membranes (meninges) covering the brain and spinal cord.