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metastatic
me·tas·ta·sis M0249300 (mĭ-tăs′tə-sĭs)n. pl. me·tas·ta·ses (-sēz′) Medicine 1. Transmission of pathogenic microorganisms or cancerous cells from an original site to one or more sites elsewhere in the body, usually by way of the blood vessels or lymphatics.2. A secondary cancerous growth formed by transmission of cancerous cells from a primary growth located elsewhere in the body. [Greek, from methistanai, to change : meta-, meta- + histanai, to cause to stand, place; see stā- in Indo-European roots.] met′a·stat′ic (mĕt′ə-stăt′ĭk) adj.met′a·stat′i·cal·ly adv.ThesaurusAdj. | 1. | metastatic - relating to or affected by metastasis; "metastatic growth" | TranslationsEncyclopediaSeemetastasismetastatic
met·a·stat·ic (met'ă-stat'ik), Relating to metastasis.brain tumor Neurology A neoplasm affecting the brain which may be 1º–brain or meninges, or 2º–ie metastatic to the brain; malignant gliomas account for 2.5% of all cancer-related deaths; BTs are the 3rd most common CA in ages 15-34; 35,000 BTs occur/yr–US; 1st-degree relatives of children with brain tumors have a 5-fold ↑ in the risk of CNS tumors, leukemia, and other childhood tumors in the affected family Clinical Seizures, vision or hearing loss, hemiparesis, double vision, headache, weird behavior, N&V, memory loss Imaging MRI without and with contrast, CT Management Surgery, gamma knife radiotherapy are often effective; chemotherapy, immunotherapy are not. See Gamma knife. Brain tumors/masses - Primary
- Nonneoplastic
- Craniopharyngioma, colloid cysts
- Primary–benign
- Meningioma, pituitary adenoma, acoustic neuroma, epidermoid tumors, choroid plexus papilloma
- Primary–low grade
- Pilocytic astrocytoma, astrocytoma, hemangioblastoma, oligodendroglioma, ganglioglioma
- Primary–malignant
- Anaplastic astrocytoma, glioblastoma multiforme, ependymoma, lymphoma, medulloblastoma, primitive neuroectodermal tumor, germ cell tumor, pineal cell tumor, chordoma, choroid plexus carcinoma
- Metastatic
- Carcinoma, meningeal carcinomatosis
. met·a·stat·ic (met'ă-stat'ik) Relating to metastasis. metastasis (mĕ-tăs′tă-sis) plural.metastases [″ + stasis, stand] 1. Movement of bacteria or body cells (esp. cancer cells) from one part of the body to another.METASTASES: CT scan of liver (upper left) with round metastatic tumors (Courtesy of Harvey Hatch, MD, Curry General Hospital)2. Change in location of a disease or of its manifestations or transfer from one organ or part to another not directly connected. See: illustrationThe usual application is to the manifestation of a malignancy as a secondary growth arising from the primary growth in a new location. The malignant cells may spread through the lymphatic circulation, the bloodstream, or avenues such as the cerebrospinal fluid. metastatic (mĕt″ă-stăt′ĭk), adjectiveMetastaticThe term used to describe a secondary cancer, or one that has spread from one area of the body to another.Mentioned in: Coagulation Disorders |