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A vestibular schwannoma (VS), also called acoustic neuroma, is a benign tumor that develops on the vestibulocochlear nerve that passes from the inner ear to the brain. The tumor originates when Schwann cells that form the insulating myelin sheath on the nerve malfunction. Normally, Schwann cells function beneficially to protect the nerves which ...
The Acoustic Neuroma Association recommends that cell phone users use a hands-free device. Meningiomas are significantly more common in women than in men; they are most common in middle-aged women. Two predisposing factors associated with meningiomas for which at least some evidence exists are exposure to ionizing radiation (cancer treatment of ...
Patients with these tumors often have signs and symptoms corresponding to compression of both nerves. Acoustic neuroma (vestibular schwannoma) – benign neoplasm of Schwann cells affecting the vestibulocochlear nerve; Meningioma – benign tumour of the pia and arachnoid mater
Acoustic neuroma - a slow-growing, benign tumor of the acoustic nerve. [2] Symptoms, which most often start after the age of 30, can include dizziness, headache, vertigo, loss of balance, ringing sensations, and numbness. [3] Ganglioneuroma - a tumor of the sympathetic nerve fibers arising from neural crest cells. [4]
Pleural schwannoma typically shows fatty degeneration, hemorrhage, perivascular hyalinization, and cystic formation thus giving heterogenous hyperintensities on T2 weighted images. Complete surgical removal of pleural schwannoma is the usual treatment. [11] Cellular schwannoma is a relatively rare variation. Cellular schwannoma is nearly ...
The translabyrinthine approach was developed by William F. House, M.D., [2] who began doing dissections in the laboratory with the aid of magnification and subsequently developed the first middle cranial fossa and then the translabyrinthine approach for the removal of acoustic neuroma.
Known causes include genetics, maternal illness and injury. Examples of these causes are physical trauma, acoustic neuroma, maternal prenatal illness such as measles, labyrinthitis, microtia, meningitis, Ménière's disease, Waardenburg syndrome, mumps (epidemic parotitis),mastoiditis or due to an overstrained nervus vestibulocochlearis after a brain surgery to close to the nerve.
Symptoms, Signs and Ill-defined Conditions XVII 800–999: Injury and Poisoning E800–E999: Supplementary Classification of External Causes of Injury and Poisoning: V01–V82: Supplementary Classification of Factors influencing Health Status and Contact with Health Services: M8000–M9970: Morphology of Neoplasms