A brain tumor occurs with the formation of abnormal cell inside the brain. Hence, there are two types of tumors, malignant or cancerous tumors and benign tumors. Almost all types of brain tumors produce symptoms that vary depending on the part of brain involved. Symptoms include headaches, seizures, and problems with vision, vomiting and other mental changes.
Brain cancer is slightly different from brain tumor. Brain cancer is a disease in which the cancer cells grow to form a mass cancer tissue that intervenes with other brain functions such as muscle control, sensation, memory & other body functions. Cancer cells developing from brain tissue are termed as primary brain tumors while tumors that proliferate from other body parts to the brain are termed as metastatic tumors.
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Brain cancers are of different types, categorized into grade I, II, III, IV. In Grade I, the tissue is benign and looks like normal brain cells with a slower growth. In Grade II, the tissue is malignant, and the cells look like normal cells than in Grade I.
In Grade III, the malignant tissue has cells that look very different from normal cells. The abnormal cells are actively growing which have a distinctly abnormal appearance. In Grade IV, the malignant tissue has cells that look almost abnormal and often grow quickly. On detection of brain cancer, symptomatic measures are carried such as medical history and physical exam, imaging tests, MRI scans, CT scans, PET scan etc. is carried out. Such tests determine the level of cell damage for further diagnosis.
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The market size drivers for the growth of brain cancer diagnostics are expected to propel by technological developments, improvements in diagnostics machines. Additionally, significance in the rise of brain cancer is expected to grow globally in upcoming years. Rise in number of cigarette smokers responsible for brain cancer have contributing to the market size. However, major restraints comprise heavy costs associated with diagnosis, low awareness levels and lesser accessibility. Therefore, the global market size for Brain cancer diagnostics market size is projected to grow at a double-digit CAGR for the forecast period. On the basis of test type, the global market size for brain cancer diagnostics is segmented as Magnetic Resonance Spectroscopy, PET scan, single photon emission CT scan (SPECT), spinal tap, magnetic resonance imaging (MRI).
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