metastatic

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met·a·stat·ic

(met'ă-stat'ik),
Relating to metastasis.
Farlex Partner Medical Dictionary © Farlex 2012

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
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McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

met·a·stat·ic

(met'ă-stat'ik)
Relating to metastasis.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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.
Enlarge picture
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: illustration

The 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), adjective
Medical Dictionary, © 2009 Farlex and Partners

Metastatic

The term used to describe a secondary cancer, or one that has spread from one area of the body to another.
Mentioned in: Coagulation Disorders
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.