摘要:

The experience with 220 consecutive cases of malignant tumours of the nasal cavity and paranasal sinuses seen over a period of 20 years by 1 person is presented. Squamous cell carcinoma (64 cases) constituted the commonest tumour though a wide range of pathologies was encountered. Combined treatment with surgery and radiotherapy produced the best results. 3- and 5-year survival was 44 and 30%, respectively. Local control of disease is very important in improving survival, and long-term follow-up is essential.

ISSN:0301-1569    

DOI:10.1159/000275620

出版商:S. Karger AG    

年代:1983

数据来源: Karger

摘要:

During a 15-year period 141 patients were treated for acute epiglottitis. 70 of the patients needed an artificial airway which was established by means of nasotracheal intubation. The mean intubation time was 41 h. All patients except 1, who suffocated before a free airway could be established, were discharged from the hospital without any serious sequelae. A follow-up study revealed no serious physical or psychological damage caused by the intubation treatment. On the basis of our 15-year material and the literature a protocol for the handling of patients suspected for acute epiglottitis is presented.

ISSN:0301-1569    

DOI:10.1159/000275621

出版商:S. Karger AG    

年代:1983

数据来源: Karger

摘要:

The ceruminous glands of the external auditory canal skin of 20 patients suffering from otosclerosis were examined histologically and histochemically. The histological changes included flattening of the lining cells and widening of the lumina of the glands. Histochemical alterations were in the form of diminished succinic dehydrogenase, alpha esterase and alkaline phosphatase enzyme activities. The histological and histochemical changes indicated that atrophy of the ceruminous glands with diminished wax production occurred in some otosclerotic patients. This atrophy may be secondary to the involvement of the ground substance, vessels and nerves of the external auditory canal by the same etiologic factor responsible for the pathogenesis of the otosclerotic process.

ISSN:0301-1569    

DOI:10.1159/000275622

出版商:S. Karger AG    

年代:1983

数据来源: Karger

摘要:

Ultrastructural studies of the round window membrane in infants revealed that the membrane is made up of three layers. The relatively wide outer epithelial layer consists of 3–4 cell layers and is formed by cuboidal and round cells. The outer two or three cell layers contain mainly rough endoplasmic reticulum and secretory granules, indicative of a secretory function of the epithelial cell layer of middle ear mucosa. Tonofilaments occur mainly in the more electron-dense epithelial cell layers which makes their mechanical role more probable. The connective tissue layer is relatively narrow and contains fibrocytes, much collagen and relatively few elastic fibres. The inner epithelial layer is built up of elongated cells containing rough endoplasmic reticulum cisternae in their cytoplas

ISSN:0301-1569    

DOI:10.1159/000275623

出版商:S. Karger AG    

年代:1983

数据来源: Karger

摘要:

From the impulse response of the human vestibulo-ocular reflex system the value of the long time constant T1 can be calculated in two different ways: (a) by plotting the decay of the response on log-linear graph paper; (b) by plotting the duration of the response against the logarithm of the impulse amplitude for various impulse amplitudes, i.e. the cupulometric method. Using mathematical models, with and without adaptation, we studied the effect of the two methods of calculation on the value of the response T1. The adaptation term was demonstrated to give a distinct reduction in the value of the response T1, compared with that of the cupular T1, especially when the cupulometric method (b) was used. The extent of this reduction was calculated.

ISSN:0301-1569    

DOI:10.1159/000275624

出版商:S. Karger AG    

年代:1983

数据来源: Karger

摘要:

The response of the vestibulo-ocular reflex (VOR) system was measured after a start or stop in angular velocity around the vertical axis. All determinations were carried out six times for 5 subjects. In a previous study, the mean value of the response T1 was calculated from the slope of the decay of the slow phase eye velocity (method a) and found to be 13.2 ± (SD) 1.4 s for CW stimulation, and 12.8 ± 1.7 s for CCW stimulation. Using the cupulometric method (b) with a fixed threshold for the slow phase eye velocity, these values are 12.1 ± 2.0 and 11.2 ± 1.4 s, respectively. The difference between the values calculated by method (a) and those calculated by method (b) is in line with the theoretical predictions as formulated in section I of this pa

ISSN:0301-1569    

DOI:10.1159/000275625

出版商:S. Karger AG    

年代:1983

数据来源: Karger

ISSN:0301-1569    

DOI:10.1159/000275626

出版商:S. Karger AG    

年代:1983

数据来源: Karger