Intracranial Embolism and Thrombosis
| Definition: |
Embolism or thrombosis involving blood vessels which supply intracranial structures. Emboli may originate from extracranial or intracranial sources. Thrombosis may occur in arterial or venous structures. |
| Notes: |
Not used for indexing or cataloging. |
| Also Called: |
Brain Embolism and Thrombosis,Cerebral Embolism and Thrombosis |
Intracranial Embolism and Thrombosis Categories.
 |
Intracranial Embolism - Migration of foreign material to the intracranial components of the nervous system via arterial pathways. Emboli most frequently are of cardiac origin and are associated with ARRHYTHMIA; mural thrombi; ENDOCARDITIS, SUBACUTE BACTERIAL; HEART VALVE DISEASES; and HEART SEPTAL DEFECTS. Noncardiac sources include lesions of the aorta, carotid arteries, vertebral arteries, and intracranial arteries. Emboli may be composed of thrombosed platelets, atherosclerotic debris, fat, air, tumor cells, or infectious materials, and may cause CEREBRAL INFARCTION. (From Adams et al., Principles of Neurology, 6th ed, pp824-6) |
|
Intracranial Thrombosis - Formation of a clot composed of platelets and fibrin within the lumen of an intracranial artery or vein, which may result in CEREBRAL INFARCTION. Arterial thrombosis is associated with INTRACRANIAL ARTERIOSCLEROSIS, but may also result from hypercoagulability states (see THROMBOPHILIA). Cerebral vein thrombosis is frequently complicated by INTRACRANIAL HEMORRHAGES. |
|
Sinus Thrombosis, Intracranial - Thrombus formation in an intracranial venous sinus, including the superior sagittal, cavernous, lateral, and petrous sinuses. Etiologies include thrombosis due to infection, DEHYDRATION, coagulation disorders (see THROMBOPHILIA), and CRANIOCEREBRAL TRAUMA. |
Intracranial Embolism and Thrombosis Definitions and Terms
MedicalGlossary.org is designed as a free, browsable resource for all. The medical terms and definitions are not intended to replace medical informaion provided by licensed healthcare professionals. Please see a doctor if you need medical assistance. Don't see the medical term you were researching? Send us an e-mail from our "about us" page. We will do our best to research and classify new medical terms in a timely manner. Our current list of medical terms is over 26,000. Data sources include the U.S. National Library of Medicine, 2004 Medical Subject Headings.
|
