Cases reported "Vertigo"

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1/382. Hyperactive rhizopathy of the vagus nerve and microvascular decompression. Case report.

    A 37-year-old woman underwent microvascular decompression of the superior vestibular nerve for disabling positional vertigo. Immediately following the operation, she noted severe and spontaneous gagging and dysphagia. Multiple magnetic resonance images were obtained but failed to demonstrate a brainstem lesion and attempts at medical management failed. Two years later she underwent exploration of the posterior fossa. At the second operation, the vertebral artery as well as the posterior inferior cerebellar artery were noted to be compressing the vagus nerve. The vessels were mobilized and held away from the nerve with Teflon felt. The patient's symptoms resolved immediately after the second operation and she has remained symptom free. The authors hypothesize that at least one artery was shifted at the time of her first operation, or immediately thereafter, which resulted in vascular compression of the vagus nerve. To the authors' knowledge, this is the first reported case of a hyperactive gagging response treated with microvascular decompression. The case also illustrates the occurrence of a possibly iatrogenic neurovascular compression syndrome.
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keywords = vertigo
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2/382. temporal bone fracture following blunt trauma caused by a flying fish.

    Blunt trauma to the temporal region can cause fracture of the skull base, loss of hearing, vestibular symptoms and otorrhoea. The most common causes of blunt trauma to the ear and surrounding area are motor vehicle accidents, violent encounters, and sports-related accidents. We present an obscure case of a man who was struck in the ear by a flying fish while wading in the sea with resulting temporal bone fracture, sudden deafness, vertigo, cerebrospinal fluid otorrhoea, and pneumocephalus.
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3/382. Solitary plasmacytoma of the skull base presenting with unilateral sensorineural hearing loss.

    Solitary plasmacytoma of the skull base is a rare entity with only a few reported cases in the literature. We review the literature and present our experience with this lesion that produced ipsilateral sensorineural hearing loss, vertigo and ipsilateral sixth nerve palsy.
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keywords = vertigo
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4/382. A surgical case of atypical aortic coarctation using cardiopulmonary bypass.

    We report a 44-year-old woman with atypical aortic coarctation accompanied by cerebral artery disease. She was hospitalized for vertigo. An extra-anatomic bypass between the ascending aorta and abdominal aorta was performed using partial cardiopulmonary bypass under moderate hypothermia to reduce the after load of the left ventricle and maintain cerebral blood flow and cerebral perfusion pressure. The postoperative course was uneventful and there was no postoperative neurological deficiency.
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keywords = vertigo
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5/382. Poststeroid balance disorder--a case report in a body builder.

    The authors describe a case of poststeroid balance disorder in a 20-year-old athlete. Previous information of such a doping pathology among sportsmen taking anabolics was not found. That anabolic steroids had a harm to central activities and could be suspected especially on the basis of reported psychiatric sequels and cerebrovascular disorders. The case described is of a patient who had been given metandienone, oxymetholone, and nandrolone phenyloproprionate in two courses. vertigo appeared twice just after introducing doping and persisted in spite of a 1.5 year break in taking anabolics. In the electronystagmography a positional nystagmus was detected, the eye-tracking test was distempered, and abnormal responses in the caloric tests were obtained. In the computed dynamic posturography the number and length of body sway were increased and, consequently, the field of the outspread area was enlarged. The moment of appearance and long-lasting vertigo as well as the results of laboratory examinations indicate a poststeroid permanent disorder of the central part of the equilibrium organ. Such a diagnosis seems to be most probable here.
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keywords = vertigo
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6/382. Haemorrhagic acoustic neuroma with features of a vascular malformation. A case report.

    A 55-year-old man with hearing loss presented with vertigo and vomiting. CT tomography and MRI demonstrated a cerebellopontine angle mass with foci of haemorrhage. An angiomatous tumour, with large abnormal veins adhering to the capsule, was completely removed. Histologically, the tumour was an acoustic neuroma with abnormal vascularisation and limited intratumoral haemorrhage.
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keywords = vertigo
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7/382. Sudden unilateral deafness with endolymphatic sac adenocarcinoma: MRI.

    A 30-year-old man presented with sudden left deafness and vertigo. CT showed an osteolytic retrolabyrinthine tumour of the left temporal bone. High signal from the tumour and labyrinth was seen on fat-suppressed T 1-weighted images. At surgery, a haemorrhagic papillary-cystic adenocarcinoma of the endolymphatic sac was found.
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keywords = vertigo
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8/382. Superior semicircular canal dehiscence: a new cause of vertigo.

    There are many known causes of vertigo, but many cases remain unexplained. sound-induced, pressure-induced, or positional vertigo caused by bony dehiscence of the superior semicircular canal into the middle cranial fossa is a newly described etiology of vertigo. Three case studies of patients with CT evidence and surgical confirmation of bony dehiscence of the superior semicircular canal with variable presentations are described. The history, symptoms, CT findings, vestibular studies, and method of surgical repair are presented. Two patients had disabling vertigo and one had no vestibular symptoms. All underwent exploration via a middle cranial fossa approach with repair of the dehiscence. The bony dehiscence of the superior semicircular canal of the asymptomatic patient was identified and closed at the time of an encephalocele repair procedure. All patients did well postoperatively and both patients with vertigo improved. Bony dehiscence of the superior semicircular canal may cause vertigo or be asymptomatic and should be added to the differential diagnosis of vertigo.
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ranking = 11
keywords = vertigo
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9/382. Silicone prosthesis prevents vertigo due to the defect at the mastoid process after mastoidectomy: a clinical report.

    This clinical report describes a 64-year-old woman with a bony defect in the mastoid process after mastoidectomy and who experienced vertigo on cold and windy days during winter. The patient noticed that packing a piece of paper or cotton into the defect prevented the vertigo. The patient refused surgical repair, so a silicone prosthesis was fabricated to fill the defect completely. electronystagmography confirmed the effectiveness of the prosthesis to prevent nystagmus. Although surgical repair is ideal, prosthesis repair of the defect may prove to be effective in some patients.
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ranking = 6
keywords = vertigo
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10/382. Lumbomuscular proprioceptive reflexes in body equilibrium.

    To evaluate the role of reflexes related to the lumbar proprioceptors in maintenance of body equilibrium, changes in equilibrium function of the eyes and body were observed after unilateral procainization of the lumbar erector muscles. Observations were made on normal subjects and vertigo cases with lumbar pain after whiplash injury using various equilibrium tests. The results obtained were as follows: (1) On unilateral procainization of the lumbar erector muscles of normal subjects, eye nystagmus and disturbances of the righting reflex developed. Simultaneously, changes in drift reactions of the lower limbs were detected by the stepping test. Namely, in many of the subjects examined the direction of stepping deviation became quite different from that before procainization, and stepping after procainization tended to show slight or moderate ataxic features, associated with a sensation of unsteadiness. (2) When procaine was injected unilaterally into tender spots in the lumbar erector muscles of traumatic vertigo cases, spontaneous eye nystagmus and disturbances of the righting reflex decreased. Simultaneously, significant changes in the drift reactions of the lower limbs were observed in many of the cases examined. Namely, the direction of deviation became the opposite of that before procainization and ataxia in walking almost disappeared with reduction in vertigo. The following conclusions were drawn from these findings: (1) The effects of procaine on equilibrium of normal subjects are in sharp contrast to its effects on equilibrium of traumatic vertigo cases. Findings in the former might be due to increased imbalance between the activities of the right and left lumbar proprioceptors, while those in the latter might be due to decreased imbalance between the two. (2) These findings support the view that from the standpoint of body equilibrium, there are two phases of the proprioceptive reflex, and that Fukuda's concept of "two phases of the labyrinthine reflex, i.e., a stage of disturbance and a stage of coordination", can be applied to interpretation of the proprioceptive reflex of lumbar origin.
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ranking = 4
keywords = vertigo
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