Brain cancer| Types Of Brain Cancer| symptoms of brain cancer

What Is Brain Cancer

Brain cancer, also known as malignant brain tumor or brain neoplasm, refers to the abnormal growth of cells in the brain. It is a type of cancer that originates within the brain or spreads to the brain from other parts of the body (known as metastatic brain cancer).Brain tumors can be malignant (cancerous) or benign (noncancerous). Some tumors grow quickly, while others are slow growing.

Only about one-third of brain tumors are cancerous. But whether they’re cancerous or not, brain tumors can impact brain function and your health if they grow large enough to press on surrounding nerves, blood vessels and tissue.

Brain cancer can be classified into two main types: primary brain tumors and metastatic brain tumors. Primary brain tumors originate in the brain itself, while metastatic brain tumors occur when cancer cells from other parts of the body spread to the brain through the bloodstream or lymphatic system.

Types Of Brain Cancer

 There are several types of brain cancer, also known as brain tumors, which can develop in different parts of the brain. The types of brain cancer can be classified based on their origin, behaviour , and the types of cells involved. Here are some common types of brain cancer:

Gliomas: Gliomas are tumors that originate from the glial cells, which are supportive cells in the brain. They are the most common type of brain tumor and are further classified into different subtypes, including:

1. Astrocytomas: These tumors develop from astrocytes, which are star-shaped glial cells. They can be low-grade (slow-growing) or high-grade (fast-growing). The most aggressive form of astrocytoma is called glioblastoma multiform.
2. Oligodendrogliomas: These tumors arise from oligodendrocytes, which are cells that produce the protective covering (myelin) around nerve fibers. Oligodendrogliomas are typically slow-growing and often affect younger adults.
3. Ependymomas: Ependymomas develop from ependymal cells, which line the ventricles (fluid-filled spaces) of the brain and the central canal of the spinal cord. They can occur in both children and adults.

Meningiomas: Meningiomas are tumors that arise from the meninges, the protective membranes surrounding the brain and spinal cord. They are usually benign (non-cancerous) and slow-growing, but in some cases, they can be malignant (cancerous) and more aggressive.

Medulloblastomas: Medulloblastomas are fast-growing tumors that mostly occur in children. They develop in the lower back part of the brain called the cerebellum. Although they are malignant, they tend to respond well to treatment.

Pituitary adenomas: These tumors originate in the pituitary gland, which is located at the base of the brain. Most pituitary adenomas are benign, but they can cause hormonal imbalances and affect various bodily functions.

Schwannomas: Schwannomas, also known as vestibular schwannomas or acoustic neuromas, develop from Schwann cells that surround and support the nerves responsible for hearing and balance. They often arise from the eighth cranial nerve, called the vestibulocochlear nerve.

Craniopharyngiomas: Craniopharyngiomas are rare tumors that form near the pituitary gland and hypothalamus. They usually occur in children and adolescents and can affect hormone regulation and vision.

It's important to note that this is not an exhaustive list, and there are other rare types of brain tumors as well. The treatment and prognosis for each type of brain cancer may vary, so it's essential to consult with a medical professional for accurate diagnosis and appropriate management.

Symptoms Of Brain Cancer 

 It's important to remember that these symptoms can vary depending on the location, size, and type of brain tumor. If you're experiencing any concerning symptoms, it's best to consult with a healthcare professional for an accurate diagnosis. Here are some potential symptoms:

Headaches: Frequent or persistent headaches, especially if they worsen over time or are accompanied by other symptoms.

Seizures: Sudden, uncontrolled movements or convulsions, which can be partial or affect the entire body.

Cognitive and personality changes: Difficulty concentrating, memory problems, confusion, changes in behaviour, mood swings, and personality changes.

Vision and hearing problems: Blurred or double vision, loss of peripheral vision, hearing difficulties, or ringing in the ears.

Motor skill problems: Weakness or paralysis in specific body parts, coordination difficulties, and trouble with balance.

Nausea and vomiting: Unexplained and persistent nausea or vomiting.

Fatigue: Constant tiredness, lack of energy, or feeling drowsy.

Speech difficulties: Slurred speech, difficulty finding the right words, or problems understanding others.

Changes in sensation: Numbness, tingling, or loss of sensation in specific body parts.

Swallowing difficulties: Trouble swallowing, frequent choking, or changes in taste perception.

Changes in appetite or weight: Significant changes in appetite, resulting in weight loss or weight gain.

Hormonal changes: Endocrine-related symptoms such as changes in menstrual periods, growth abnormalities in children, or excessive thirst and urination.

These symptoms can be caused by various conditions, and experiencing one or more of them doesn't necessarily mean you have brain cancer. However, if you're concerned about any of these symptoms or have any other health concerns, it's best to consult with a medical professional for proper evaluation and guidance.