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79 巻, 11 号
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横山 俊彦, 小上 芳春, 山田 篤子, 岡田 いく代1976 年 79 巻 11 号 p. 1323-1332
発行日: 1976/11/20
公開日: 2008/03/19
ジャーナル フリーThis investigation emphasized that brain stem response (BSR), can be used as a clinical test for determining hearing threshold in mentally disturbed children.
The subject were 18 mentally retarded children aged 3-7 years. Many subjects were neither testable by COR (Conditioned Orientation Reflex) audiometry nor by play audiometry, but were testable by BOA (Behavioral Observation Audiometry) such as startle response and eye movement response. From the results of these test, all subjects were supposed to have normal hearing.
BSR audiometry were performed in all mentally disturbed subjects and fifteen normal subjects whose age ranged between 3 and 25 years. The stimulus sound used, was one cycle sinusoidal wave at a frequency of 2 kHz and 4 kHz. The sinusoidal wave clicks were presented at a rate of 25 per second with alternately reversing the polarity of the acoustic stimuli. The 1, 000 clicks generated by means of a sinusoidal- wave click generator were transduced by a condenser earphone applied to the subject. The electrode sites were the vertex and the ear lobe. The electrical responses were amplified with a preamplifier, filtered with a frequency range of 300-5, 000 Hz. The BSR audiometry was performed under general anaesthesia in all mentally disturbed subjects. We measured the latencies of wave 1 and 5 as a function of stimulus intensity from 25 to 95 dB peak equivalent SPL.
In this experiment, the response thresholds obtained from mentally disturbed subjects were close to those obtained from normal subjects. When measured with 4 kHz sinusoidal wave clicks, the latencies of wave 1 and 5 obtained from mentally disturbed group increased with decreasing sound intensity, and the same results were obtained from the normal group also.When measured with 4 kHz sinusoidal wave clicks, there were no differences in the latency of wave 1 in both groups. However, mean latency of wave 5 at each intensity became significantly longer in mentally disturbed group than in the normal group as sound intensities approach hearing threshold. We are at present unable to explain this discrepancy.抄録全体を表示PDF形式でダウンロード (1338K) -
垣田 有紀, 平野 実, 川崎 洋, 松下 英明1976 年 79 巻 11 号 p. 1333-1340
発行日: 1976/11/20
公開日: 2008/03/19
ジャーナル フリーVibratory mode of the vocal cord in normal conditions was investigated by frame-by-frame analysis of ultra high speed motion pictures. On the basis of the data obtained from the films, as well as those obtained from some laryngograms, histological findings and measurements of stiffness, movements of the vocal cord in a frontal section, within one vibratory cycle, were schematically presented where the vocal cord was regarded as a double-layered vibrator. The present paper describes the experimental and theoretical basis and the procedures to schematize vibratory movements of the vocal cord having a layered structure. Two normal examples, one in a heavy register and the other in a light register, were also presented and some comparisons were made between the two registers.
This type of schematization appears significant not only to explain the vibratory movements in various conditions but also to simulate vocal cord vibrations.抄録全体を表示PDF形式でダウンロード (418K) -
三橋 重信1976 年 79 巻 11 号 p. 1341-1346
発行日: 1976/11/20
公開日: 2008/03/19
ジャーナル フリーThe purpose of this paper is to investigate the immediate effects on soft tissue induced by CO2 laser irradiation. The tongue of mongrel dogs was used. The laser beam was applied to the tissue at a right angle. Macroscopic and light microscopic observations were made immediately after the irradiation. The results are as follows:
1) The immediate effects induced by CO2 laser irradiation are characterized by a crater formation resulting from rapid vaporization of the water component of the tissue.
2) The injury in the area adjacent to the crater results from thermal denaturation of the tissue proteins. The coagulated area is greater in the horizontal direction than in the vertical direction. This may be attributed to the difference in heat transfer which follows a Gaussian distribution of CO2 laser energy.
3) The lymphatic and vascular channels are occluded in the coagulated area resulting in a significant hemostatic effect. Besides the hemostatic effect, this is of a great benefit in excision of malignant neoplasms, because of scattering of the tumor cells can be avoided.抄録全体を表示PDF形式でダウンロード (3077K) -
山際 幹和, 三吉 康郎, 大山 勝, 坂倉 康夫, 森川 謙一1976 年 79 巻 11 号 p. 1347-1356
発行日: 1976/11/20
公開日: 2008/03/19
ジャーナル フリーTwo hundreds and five cases of malignant tumors of the nasal cavity and paranasal sinuses observed in Mie University Hospital in 20-year period were clinically investigated.
The results obtained are as follows;
1) Out of 205 tumors in this series, the majority (90.2 %) occurred in the maxillary antra and squamous cell carcinoma was by far the most common malignant tumor (80.2 %) found in the sinuses.
2) The peak incidence of age appeared in the 5th and 6th decades of life. Men were affected more frequently than women, in a ratio of 1, 53 : 1.
3) Swelling of the cheek was the most common and characteristic symptom in the maxillary neoplasm, but never seen in the other region.
4) The crude five-year survival rate of all cases was 30.9 %. The definite relationship was noticed between the histopathological diagnosis and prognosis, for the malignant tumors of epithelial origin showed better prognosis than those of the non-epithelial origin.
5) Clinical staging of maxillary cancer proposed by Dr. Sakai gave a good indication of prognosis. Our data were coincided with it in five-year survivals; Stage I-II: 66.7 %, Stage III:33.8 % and Stage IV : 5.6 % respectively.
6) For antral malignancies, the combined therapy of irradiation and surgery was the most effective and produced the best five-year survival rate of 36.1 %. But the arterial infusion of anti-neoplastic agents concomitantly with irradiation and antrotomy was not so efficacious as expected in this series.抄録全体を表示PDF形式でダウンロード (649K) -
山本 洸一1976 年 79 巻 11 号 p. 1357-1367
発行日: 1976/11/20
公開日: 2008/03/19
ジャーナル フリーStudies were made on the relationship between the results of speech discrimination test at the level of everyday speech and/or of pure tone audiometry and the results of self-ratings of the impaired hearing, the subjects employed were 596 patients with the age ranged between 16 and 69 complaining of hearing troubles in everyday speech. The speech discrimination test was also conducted on 112 out of the above subjects under the conditions of employing the bodyworn type hearing aids.
1. The studies on ‘hearing of the radio and T.V. with usual volume’ and ‘hearing of everyday speech with usual loudness’ revealed that the number of answers with ‘capable of hearing’was large and that of answers with ‘incapable of hearing’ was small in the latter rather than the former, at the average hearing loss of the same level.
2. A significant difference was observed in the self-evaluation of the above two items between those with average hearing loss of less than 40 dB and those with more than 60 dB.A similar tendency was observed between those with more than 80 % and those with less than 60 % in syllable articulation.
3. The evaluation of self-ratings was more strict in the cases with mild hearing loss, than in those with severe hearing loss. In order to assume the auditory ability of hard-of-hearing patients by their case histories, the hearing condition of ‘hearing of the radio and T.V.’ was found to be preferable rather than that of ‘hearing of everyday speech’.抄録全体を表示PDF形式でダウンロード (819K) -
宮原 裕, 佐藤 武男, 上田 外幸, 奥平 吉雄1976 年 79 巻 11 号 p. 1368-1374
発行日: 1976/11/20
公開日: 2008/03/19
ジャーナル フリーA case of Wegener's granulomatosis followed by cancers of the thyroid gland and the cervix uteri was reported.
A 46 years old house wife visited Osaka University Hospital on June 21, 1974, complaining gradual inspiratory dyspnea of six months' duration.
Otolaryngological examination revealed saddle nose without nasal septal perforation, crust formation in the nasal cavity and granulation tissue in both nasal cavity, and subglottic region.
After emergency tracheotomy was performed, biopsy specimens were obtained from the granulation tissues in nasal cavity and subglottic space which were diagnosed as Wegener's granulomatosis. Another specimen which was obtained from paratracheal region was diagnosed as papillo-follicular adenocarcinoma of the thyroid.
Labolatory data revealed elevated ESR, proteinuria, anemia, lymphocytopenia, inverted A/G ratio, increase of IgG and serum complement level and negative Mantaux test.
She was treated continuously with cortico-steroid, which resulted in decreased granulation.
But about eleven months later, cancer of the uterine cervix (stage TIV NX MO) was disgnosed. Pathohistologically it was poorly differentiated squamous cell carcinoma. The cancer advanced rapidly and she died about three months 1 later. Autopsy was not performed.
Wegener's granulomatosis of subglottis with dy spnea is rare. Wegener's granulomatosis is recognized as an autoimmune disease.
Combinations of cancers and this disease, like this case, suggest the interaction between immune-deficiency and carcinogenesis.抄録全体を表示PDF形式でダウンロード (1391K) -
竹中 洋, 大島 渉, 仲間 一雄, 西村 秀夫, 中村 昭郎, 豊田 弥八郎, 井上 靖二1976 年 79 巻 11 号 p. 1375-1384
発行日: 1976/11/20
公開日: 2008/03/19
ジャーナル フリーSix cases of cerebellar and brainstem tumors for these 2 years were reported. These cases consist of 2 cases of cerebellar vermian tumors, 2 cases of acoustic neurinoma (one of which was Von Recklinhausen's tumor.), a case of metastatic hemispherical cerebellar carcinoma and a case of 4th ventricular ependymoma.
These diagnoses were all ascertained by surgical findings and histopathological examinations, The followings were concluded after otoneurological examinations: 1) there were no specific otoneurological findings characteristic in the tumors of cerebellar vermis, 2) the so-called ‘Bruns-Cushing’ nystagmus was observed in 2 cases, the nystagmus seems to appear in the cerebellopontime angular extramedullar space occupying lesions which are not always acoustic neurinoma but any kind of other tumors, 3) the encountered acoustic neurinoma took chronological clinical courses as described by other reports.抄録全体を表示PDF形式でダウンロード (2812K) -
広戸 幾一郎1976 年 79 巻 11 号 p. 1408-1411
発行日: 1976/11/20
公開日: 2008/03/19
ジャーナル フリーPDF形式でダウンロード (173K)
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