brainstem lesion

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• Lesion — Pronounced lee sion with the emphasis on the lee, a lesion can be almost any abnormality involving any tissue or organ due to any disease or any injury. There are, not surprisingly, many types of lesions. There are also a number of different ways …   Medical dictionary

• brainstem auditory evoked potential — (BAEP) that portion of the auditory evoked potential which comes from the brainstem; abnormalities can be analyzed to evaluate comas, to support diagnosis of multiple sclerosis, and to detect early posterior fossa tumors. Brainstem auditory… …   Medical dictionary

• brainstem encephalitis — any of various symptoms caused by dysfunction of cranial nerves owing to a lesion in the brainstem, most often a paraneoplastic effect of lung or other types of cancer; manifestations may include oculomotor signs, hearing loss, dysarthria,… …   Medical dictionary

• Auditory brainstem response — The auditory brainstem response (ABR) is an auditory evoked potential extracted from ongoing electrical activity in the brain and recorded via electrodes placed on the scalp. The resulting recording is a series of vertex positive waves of which I …   Wikipedia

• auditory brainstem response — (ABR) for sensorineural hearing loss: a test that tracks nerve signals arising in the internal ear as they travel along the auditory nerve to the brain region responsible for hearing. A small speaker placed near the ear makes a clicking sound,… …   Medical dictionary

• Neuro-behcet disease — Behçet’s disease is recognized as a disease that cause inflammatory perivasculitis, inflammation of the tissue around a blood or lymph vessel, in practically any tissue in the body. Usually, prevalent symptoms include canker sores or ulcers in… …   Wikipedia

• Cranial nerve disease — Classification and external resources Cranial nerves ICD 10 G …   Wikipedia

• Anesthesia — Loss of feeling or awareness. A local anesthetic causes loss of feeling in a part of the body. A general anesthetic puts the person to sleep. * * * 1. Loss of sensation resulting from pharmacologic depression of nerve function or from neurologic… …   Medical dictionary

• Central hearing loss — Classification and external resources MeSH D006313 Central hearing loss is a form of sensorineural hearing loss caused by damage to the auditory pathways. When the damage is to the primary auditory cortex, the impairment is called cortic …   Wikipedia

• Horner syndrome — A complex of abnormal findings, namely sinking in of one eyeball, ipsilateral ptosis (drooping of the upper eyelid on the same side) and miosis (constriction of the pupil of that eye) together with anhidrosis (lack of sweating) and flushing of… …   Medical dictionary

• myokymia — Continuous involuntary quivering or rippling of muscles at rest, caused by spontaneous, repetitive firing of groups of motor unit potentials. SYN: fibrillary chorea, Morvan chorea. [myo + G. kyma, wave] facial m. m. that appears in the facial… …   Medical dictionary