摘要:

The essential features of the posturing and positional mechanisms in man are defined and the causes of their dysfunction categorized to provide a scheme of surgical management appropriate for each.The authors' long-term results (two to twelve years) with (1) twenty-seven operations designed to decompress the endolymphatic system, (2) twenty-eight selective eighth nerve sections are documented and compared, by means of statistical analysis, with those reported by others during the past fifteen years.Although the latter procedure provided better control of vertigo, there was no difference between the two groups in regard to preservation of hearing. Nor was there any evidence from this study that either operation did anything to alter the progressive hearing loss that characterizes Meniere's disease. Nevertheless, because of failure of noninvasive therapy to control vertiginous symptoms in some patients, it would appear that there is still a definite place for surgical treatment. Saccus decompression is recommended as the initial procedure because it is technically less difficult.In patients whose vertigo persists in conjunction with useful auditory function vestibular nerve section should be considered before resorting to total labyrinthectomy

ISSN:0192-9763    

出版商:OVID    

年代:1981

数据来源: OVID

摘要:

Giant cell lesions are rare in the temporal bone. A review of world literature reveals twenty-three reported cases. Histopathologtc differentiation has been difficult in the past; several tumors of bone which are characterized by multinuleated giant cells have been grouped together under the term “giant cell tumor.” In the temporal bone, true giant cell tumor of bone, osteoclastoma, should be differentiated from the less aggressive reparative granuloma. The clinical course of these two lesions can be greatly different. Two additional cases of giant cell reparative granuloma are added to the literature. In addition, a tabulation is presented of signs, symptoms, treatment, and follow-up in the cases reported in the literature. Surgical excision is recommended when possible

ISSN:0192-9763    

出版商:OVID    

年代:1981

数据来源: OVID

摘要:

The total protein levels in the perilymph of patients with acoustic neuromas, meningiomas, and Meniere's disease are contrasted. All specimens were obtained from the lateral semicircular canal during removal of the bony labyrinth. Any specimens with significant contamination by hemoglobin or serum proteins, as judged by the presence of hemoglobin/haptoglobin complexes, were discarded from this study. The findings of greatly increased perilymph protein levels in the tumor groups confirmed the reports of other workers. The levels in the Meniere's disease group compared favorably with the normal protein levels in perilymph. A very significant (p<0.05) difference between the acoustic neuroma group and the meninigioma group is noted. This difference is probably tumor related, because in all cases of both groups, tumor entered and filled the internal auditory meatus

ISSN:0192-9763    

出版商:OVID    

年代:1981

数据来源: OVID

ISSN:0192-9763    

出版商:OVID    

年代:1981

数据来源: OVID

摘要:

The disabling symptom of tinnitus has no predictable medical or surgical treatment. In most patients, an examination and suitable explanation or, if needed, hearing aid fitting will dispense with the problem. This article deals with another group of individuals who, for reasons of their own, feel “disabled” in their everyday lives by this disturbing, unwanted “noise.“ A total of thirty-four persons were referred by the otologist for further study and an evaluation of their tinnitus. The benefit of the tinnitus questionnaire and of the patient's personal evaluation of their head noise is discussed and stressed, twenty-three patients (67 percent) were fitted with a tinnitus masker. An additional five individuals (15 percent) benefited from a hearing aid fitting. Five of the total of thirty-four originally evaluated were felt to be unsuitable for a trial with the masker. At the completion of the thirty day trial period with the instrument, nine patients returned the masker. This left a total of fifteen patients, or almost 50 percent of the original group having the evaluation, wearing the tinnitus masker with relief of their symptoms. This is a carefuly selected group of individuals, but still an impressive accomplishment

ISSN:0192-9763    

出版商:OVID    

年代:1981

数据来源: OVID

摘要:

Spontaneous aural cholesteatomas were found in thirty-two of seventy ears (45.7 percent) of adult Mongolian gerbils, Meriones unguiculatis. These cholesteatomas arise from the tympanic membrane and the medial ear canal. The advancing front of these cholesteatomas is histologically identical to that of human cholesteatomas. Since the gerbilline cholesteatoma erodes bone and invades the labyrinth and the cranial cavity, it provides an animal model with which to study the destructive properties of human cholesteatoma

ISSN:0192-9763    

出版商:OVID    

年代:1981

数据来源: OVID

ISSN:0192-9763    

出版商:OVID    

年代:1981

数据来源: OVID

摘要:

It is proposed that the term Meniere's disease be restricted to patients with the classic symptom and sign complex in whom the etiologic factor is unknown (idiopathic). The term Meniere's syndrome is restricted to patients whose etiologic factor is known, who have an incomplete form of the disease, or who are in the process of being evaluated. Vestibular neuronitis and cochlear hydrops are terms that should be retained until the concepts of vestibular and cochlear Meniere's disease are better understood and can be identified prospectively. The classic symptoms and signs, both positive and negative, are outlined and a standard evaluation format is suggested. This must submit to mathematical reduction for pre- and post-treatment comparisons. Until this basic problem has been solved to the satisfaction of the profession, the inferences that may be drawn from otherwise excellent studies will continue to be of very limited clinical value

ISSN:0192-9763    

出版商:OVID    

年代:1981

数据来源: OVID

摘要:

Audiologic test results in eight patients with confirmed retrocochlear lesions are cited and discussed with reference to reliability. Comparison as to diagnostic validity is made with older and more recent literature. Results suggest that standard test procedures of tone decay, threshold Bekesy audiometry, pure-tone configuration, and discrimation scores are the most consistent in routine audiologic examinations. Super Threshold Adoption Test (STAT), Stapedius Reflex Testing, Staggered Spondaic Word (SSW) testing, and PB Rollover were accurate in their test results. Other tests, including Alternate Binaural Loudness Balance (ABLB) and regular high level, Short Increment Sensitivity Index (SISI), were found to be less effective in routine site of lesion testing

ISSN:0192-9763    

出版商:OVID    

年代:1981

数据来源: OVID

摘要:

A method of treating malignant external otitis in its initial stage is described. The treatment is based on repeated curettage with Epontol under light general anesthesia. This method requires no systemic antibiotic treatment, can be carried out as an office procedure, and effects a complete cure in a relatively short time

ISSN:0192-9763    

出版商:OVID    

年代:1981

数据来源: OVID