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There are 53 entries in the glossary.
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Term Definition
ABIsee Auditory Brainstem Implant
ABRsee Auditory Brainstem Response
Acoustic NeuromaA benign tumor developing on the hearing and balance nerves near the inner ear.
ANsee Acoustic Neuroma
Artifical TearsEye drops used to provide more moisture for treatment of dry eyes. Some types of Artificial tears include Refresh™Celluvisc, Thera Tears, and Refresh™ Liqui-Gel. These are just a few.
AstrocytomaA tumor that begins in the brain or spinal cord in small, star-shaped cells called astrocytes.
Auditory Brainstem ImplantA small complex electronic device that is surgically placed (implanted) against the brain stem that can restore some level of hearing when the cochlear nerve has been damaged or severed. during an acoustic neuroma removal, commonly referred as an ABI.
Auditory Brainstem ResponseA physiological measure of the brainstem's response to sound. It tests the integrity of the hearing system from the ear to the brainstem by measuring the length of time for signals from sound to be detected by the brain.
BTBrain Tumor
Cavernous SinousA large channel of venous blood creating a "sinus" cavity bordered by the sphenoid bone and the temporal bone of the skull. The cavernous sinus is an important structure because of its location and its contents which include the third cranial (oculomotor) nerve, the fourth cranial (trochlear) nerve, parts 1 (the ophthalmic nerve) and 2 (the maxillary nerve) of the fifth cranial (trigeminal) nerve, and the sixth cranial (abducens) nerve.
Celluvisc An over-the-counter eye drops for dry eye. They are thicker than artificial tears, so they stay in the eye longer without running.
Chromosome 22The chromosome containing the faulty gene which causes NF2.
CIsee Cochlear Implant
CINE MRICine MRI (as in cinema) is taken the same way a traditional MRI is, with the addition of either a wristband or EKG leads on the patient's chest to measure the heart rate. see Also Magnetic Resonance Imaging
Cochlear ImplantA small complex electronic device that is surgically placed (implanted) within the inner ear to help persons with certain types of deafness to hear. The hearing nerve must be intact to be considered for a cochlear implant.
Crocodile Tears Unintentional big tears that seem like you are crying. Can be caused by eating or extremely Dry Eye.
Diploid NeoplasmA tumor (neoplasm) with a diploid number of chromosomes -- that is, with a karyotype that is equivalent to that of a normal cell, with 23 chromosome pairs.
ElectromyogramA test used to detect abnormal muscle electrical activity that can occur in many diseases and conditions, most often performed when patients have unexplained muscle weakness. This test involves using electrodes to send electric signals through nerves.
EMGsee Electromyogram
EncephalomalaciaA non-specific term that literally means "softening of the brain". It may be caused by either some pathological neurological process or compression of the brain, either by a tumor or secondary to surgery. For example, it is difficult to avoid encephalomalacia in the cerebellar region when a posterior fossa approach is used in AN surgery.
ENTEar, Nose & Throat Doctor
EpendymomaA type of brain tumor derived from the cells that line the cavities within the ventricles of the brain and the central canal of the spinal cord.
FibromygaliaA syndrome characterized by chronic pain, stiffness, and tenderness of muscles, tendons, and joints without detectable inflammation.
Fractionalized Stereotactic RadiosurgeryStereotactic radiosurgery is the very precise delivery of radiation to a brain tumor with sparing of the surrounding normal brain. To achieve this precision, special procedures for localization of the brain tumor are necessary. These tools include the stereotactic frame, the CT or MRI scanner, a computerized system for calculating the radiation dose to the brain tumor, and a precise system for delivering the radiation to the brain tumor. Stereotactic radiosurgery offers an important alternative to more invasive treatments for many brain tumors. The role of radiosurgery vs. surgery is determined by many factors. These include the size of the brain tumor, location, how rapidly the symptoms arose, how ill the patient may be (If the patient is very ill, surgery may offer more rapid resolution of the tumor), and the histology (type) of the brain tumor.
FSRsee Fractionalized Stereotactic Radiosurgery
HEIsee House Ear Institute
House Ear InstituteLocated in Los Angeles, California, USA They are the original developers of the Auditory Brainstem Implant and have tremendous experience both removing Acoustic Neuromas and placing the Implant.
LacrilubeAn over-the-counter ointment for dry eye treatment. A.K.A. "Night Goop".
Magnetic Resonance ImagingA special radiology technique designed to image internal structures of the body using magnetism, radio waves, and a computer to produce the images of body structures.
Meckel's Cavea pocket of dura matter (the outermost layer of the meningeal membranes) located near the medial (innermost) end of the petrous portion of the temporal bone-- the bony housing at the base of the cranium that contains the inner ear. Meckel's Cave contains the trigeminal ganglion-- the nerve root of the fifth cranial nerve.
MeningiomaA common type of slow growing, usually benign brain tumor that arises from the protective covering of the brain and spinal cord.
MicromoleA mole is a measure of units, not weight. One mole = 6.023 x 10^23 (10 to the 23rd power) units - also known as Avogadro's number. It is used in chemistry to establish atomic or molecular weight. For example, 1 mole of carbon = 12 grams. If you look at a periodic table, you'll see carbon has an atomic weight of 12. A mole of water would be 18 grams (2 grams hydrogen + 16 grams oxygen). A micromole is one millionth of a mole.
Middle Fossa ApproachA surgical approach for Acoustic Neuromas where an incision is made in the scalp above the ear.
MRIsee Magnetic Resonance Imaging
NeuropathyAny and all disease or malfunction of the nerves.
NeurosurgeonA physician trained in surgery of the nervous system and who specializes in surgery on the brain and other parts of the nervous system. Sometimes called a "brain surgeon."
NF2Abbreviation for neurofibromatosis type 2
Nonsense MutationA truncated mutation....the protein is truncated by mutation, and so dysfunctional or non-existent depending on where the mutation occurs.
NSsee NeuroSurgeon
Optic ChiasmThe area where the 2 optic nerves cross.
Optic GliomaA benign tumor on an optic nerve or the optic chiasm.
OTOccupational Therapy (Therapist)
OtolaryngologistA specialist in disorders of the ears, nose, throat, head and neck. Sometimes called an "ENT" - ear, nose and throat doctor.
PTPhysical Therapy (Therapist)
PuralubeAn over-the-counter ointment for dry eye treatment. This is similar to Lacrilube but it's many crew members find it more economical.
RTRecreational Therapy (Therapist)
STSpeech Therapy (Therapist)
Thyroplasty Implant A procedure Designed to treat unilateral vocal cord paralysis.
Trigeminal NerveSee V Cranial Nerve
V Cranial NerveFunctions both as the chief nerve of sensation for the face and the motor nerve controlling the muscles of mastication (chewing), also known as the trigeminal nerve
Vestibular Schwannomasee Acoustic Neuroma
Vestibulocochlear Nervesee VIII Cranial Nerve
VIII Cranial NerveResponsible for the sense of hearing. It is also pertinent to balance and body position sense .

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