from PART II - CLINICAL RESEARCH
Published online by Cambridge University Press: 05 June 2012
Metastatic brain tumors (MBT) are the most common tumor type encountered in the brain. As survival of patients with primary tumors has improved over time, the incidence of MBT has increased. In this chapter, the basic biological and clinical aspects of metastatic spread to the brain are presented, including an overview of the epidemiology of MBT and recent advances in tumor biology particularly relevant to brain metastasis. Therapeutic strategies for MBT, including surgery, radiation, and chemotherapy, are reviewed, with an emphasis on application of randomized clinical trial data to practice guidelines. Finally, systemic metastases of primary brain tumors are discussed. Although relatively rare in comparison to metastases of systemic cancers to the brain, the frequency of extraneural metastases is increasing as therapy for primary brain tumors improves, thus warranting consideration.
INTRACRANIAL METASTASES
Epidemiology
Brain metastases are the most common intracranial tumor seen in adults, with approximately 10 percent of adults with cancer developing symptomatic brain metastases [1]. In the United States, the estimated prevalence of brain metastases is 200,000 cases per year [2], with an incidence of 8.2 per 100,000 persons [3]. The three most common primary cancers that metastasize to the brain are lung (38%), breast (19%), and melanoma (13%). Among these, melanoma demonstrates the highest likelihood of metastasis, with a rate approaching 50 percent in patients diagnosed with the disease.
To save this book to your Kindle, first ensure [email protected] is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about saving to your Kindle.
Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.
Find out more about the Kindle Personal Document Service.
To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Dropbox.
To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.