Brain & CNS tumors

The term " brain tumors" refers to a mixed group of neoplasms originating from intracranial tissues and the meninges with degree of malignancy ranging from benign to aggressive( McKinney PA Journal of Neurology , Neurosurgery & Psychiatry 2004 )

Primary brain tumors are uncommon - they account for about 1 % of all newly diagnosed cancers in the US and 2 % of cancer deaths In the UK they ( brain tumors ) are responsible for about 2 % of all cancers in adults - every year about 4000 people are diagnosed with brain tumor ( compared to about 40 000 women with breast cancer & about 25 000 men with prostate cancer ) Studies have shown that between 1990 and 2016 number of incident of CNS cancers have increased along all geographic locations ( this may be attributed to advances in diagnostic technologies particularly CT , MRI and it has been also hypothesized that ionizing radiation exposure from early CTs may have contributed to this although there is no strong evidence to support this ) CNS tumors in children and young adults where they respectively account for about 30 % and 20 % of cancer deaths Incidence varies by...