KMLE Medical Dictionary

Results for the sub-search for "encephalo"

        Did you mean: Encephale encephalo- encephala encephal- encephal -encephaly

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Cerebral tissue herniation through a congenital or acquired defect in the skull. The majority of congenital encephaloceles occur in the occipital or frontal regions. Clinical features include a protuberant mass that may be pulsatile. The quantity and location of protruding neural tissue determines the type and degree of neurologic deficit. Visual defects, psychomotor developmental delay, and persistent motor deficits frequently occur.
Synonyms: Acquired Encephalocele, Encephalocele, Acquired, Encephalocele, Frontal, Encephalocele, Occipital, Encephalocele, Sincipital, Notoencephalocele, Sincipital Encephalocele, Acquired Encephaloceles, Cerebral Hernia, Cerebral Hernias, Encephaloceles
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Softening or loss of brain tissue following CEREBRAL INFARCTION; cerebral ischemia (see BRAIN ISCHEMIA), infection, CRANIOCEREBRAL TRAUMA, or other injury. The term is often used during gross pathologic inspection to describe blurred cortical margins and decreased consistency of brain tissue following infarction. Multicystic encephalomalacia refers to the formation of multiple cystic cavities of various sizes in the cerebral cortex of neonates and infants following injury, most notably perinatal hypoxia-ischemic events. (From Davis et al., Textbook of Neuropathology, 2nd ed, p665; J Neuropathol Exp Neurol, 1995 Mar;54(2):268-75)
Synonyms: Multicystic Encephalomalacia, Cerebromalacias, Encephalomalacias, Encephalomalacias, Multicystic, Multicystic Encephalomalacias
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A general term indicating inflammation of the BRAIN and SPINAL CORD, often used to indicate an infectious process, but also applicable to a variety of autoimmune and toxic-metabolic conditions. There is significant overlap regarding the usage of this term and ENCEPHALITIS in the literature.
Synonyms: Encephalomyelitis, Inflammatory, Inflammatory Encephalomyelitis, Myeloencephalitides
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Encephalomyelitis Virus, Avian:
A tentative species in the genus HEPATOVIRUS infecting primarily young chicks, but also found in turkeys, pheasants, and guinea fowl. It causes a fatal neuronal degeneration and is transmitted by mechanical contact.
Synonyms: Avian Encephalomyelitis Viruses, Avian encephalomyelitis-like virus, Encephalomyelitis Viruses, Avian, Encephalomyelitis-like Virus, Avian, Virus, Avian Encephalomyelitis, Viruses, Avian Encephalomyelitis, Epidemic Tremor Viruses, Tremor Virus, Epidemic
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Encephalomyelitis, Acute Disseminated:
An acute or subacute inflammatory process of the CENTRAL NERVOUS SYSTEM characterized histologically by multiple foci of perivascular demyelination. Symptom onset usually occurs several days after an acute viral infection or immunization, but it may coincide with the onset of infection or rarely no antecedent event can be identified. Clinical manifestations include CONFUSION, somnolence, FEVER, nuchal rigidity, and involuntary movements. The illness may progress to COMA and eventually be fatal. (Adams et al., Principles of Neurology, 6th ed, p921)
Synonyms: Acute Disseminated Encephalomyelitis, Disseminated Encephalomyelitis, Acute, Encephalitis, Postvaccinal, Encephalitis, Vaccination, Encephalomyelitis, Postexanthem, Encephalomyelitis, Postinfectious, Post-Vaccinal Encephalitis, Postexanthem Encephalomyelitis
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Sturge-Weber Syndrome:
A congenital syndrome characterized by a port-wine nevus covering portions of the face and cranium (in the distribution of the ophthalmic division of the TRIGEMINAL NERVE) and angiomas of the meninges and choroid. Clinical manifestations include the onset of focal SEIZURES, progressive hemiparesis, GLAUCOMA, hemianopsia, and cognitive deficits in the first decade of life. By age two years, skull radiographs reveal "tramline calcifications" of the margins of the occipital and parietal lobes. Pathologically cortical neurons are replaced by glial tissue that undergoes calcification. (From Adams et al., Principles of Neurology, 6th ed, pp1018-9)
Synonyms: Angiomatosis Oculoorbital-Thalamic Syndrome,Encephalofacial Hemangiomatosis Syndrome,Meningo-Oculo-Facial Angiomatosis,Meningofacial Angiomatosis-Cerebral Calcification Syndrome,Sturge Disease,Sturge Syndrome,Sturge's Syndrome,Neuroretinoangiomatoses

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Alpha Rhythm:
One of four types of brain waves characterized by a relatively high voltage or amplitude and a frequency of 8-13 Hz. They constitute the majority of waves recorded by EEG registering the activity of the parietal and occipital lobes when the individual is awake, but relaxed with the eyes closed.
Synonyms: Alpha Rhythm Encephalography,Alpha Rhythm Electroencephalography,Alpha Rhythms,Encephalography, Alpha Rhythm,Rhythm, Alpha,Rhythms, Alpha

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Leukomalacia, Periventricular:
Degeneration of white matter adjacent to the CEREBRAL VENTRICLES following cerebral hypoxia or BRAIN ISCHEMIA in neonates. The condition primarily affects white matter in the perfusion zone between superficial and deep branches of the MIDDLE CEREBRAL ARTERY. Clinical manifestations include VISION DISORDERS; CEREBRAL PALSY; PARAPLEGIA; SEIZURES; and cognitive disorders. (From Adams et al., Principles of Neurology, 6th ed, p1021; Joynt, Clinical Neurology, 1997, Ch4, pp30-1)
Synonyms: Leucomalacia, Periventricular,Cerebral Leukomalacia, Neonatal,Cerebral Leukomalacias, Neonatal,Cystic Periventricular Leukomalacias,Encephalomalacias, Periventricular,Leucomalacias, Periventricular,Leukomalacia, Cystic Periventricular

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An inflammatory process involving the brain (ENCEPHALITIS) and meninges (MENINGITIS), most often produced by pathogenic organisms which invade the central nervous system, and occasionally by toxins, autoimmune disorders, and other conditions.
Synonyms: Encephalomeningitis,Cerebromeningitides,Encephalomeningitides,Meningoencephalitides

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Paraneoplastic Syndromes, Nervous System:
Degenerative or inflammatory conditions affecting the central or peripheral nervous system that develop in association with a systemic neoplasm without direct invasion by tumor. They may be associated with circulating antibodies that react with the affected neural tissue. (Intern Med 1996 Dec;35(12):925-9)
Synonyms: Autonomic Dysfunction, Paraneoplastic,Nervous System Paraneoplastic Syndromes,Autonomic Dysfunctions, Paraneoplastic,Encephalomyelitis, Paraneoplastic,Paraneoplastic Autonomic Dysfunctions,Paraneoplastic Encephalomyelitides

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