• Tuberculosis and Respiratory Diseases
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• v.43 no.3
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• pp.339-347
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• 1996

Background : Transthoracic fine needle aspiration and biopsy(TNAB) has become a frequently used technique in the investigation of the intrathoracic lesions because of its safety, reliability, and accuracy. Method : Data on 125 patients who underwent TNAB from 1990 through 1994 were studied to determine the diagnostic sensitivity, accuracy and complications of this procedure as related to lesion type and location. Results : 1. The over-all diagnostic sensitivity of TNAB was 61.6%(77 of 125 patients). 2. The diagnostic yields were as high as 89.9% for malignant lesions, but a specific diagnosis of benign lesions were obtained only in 30% of benign lung lesions. 3. The correlation between results of TNAB cytology and of final histology was as high as 88.2%. 4. Lung lesions that were greater than 3cm in size had a higher proportion of correct diagnosis(73.3%) as compared with lesions 3cm or less in size(38.1%). But there was no significant difference between the central and peripheral lung lesions. 5. There were no serious complications to TNAB. In 12.8% of the procedures a pneumothorax developed, indicating a chest tube in 1.6% of the procedures. In 2 cases, minimal hemoptysis developed which did not require treatment. Conclusion : In our experience, TNAB represents a minor and safe procedure, which permits a direct approach to localized malignant lung lesions with a high degree of accuracy.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 1994.04a
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• pp.122-127
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• 1994

본 논문에서는 산업용으로서 널리 이용되고 있는 3상 유도전동기의 전기적결함에 의해 발생하는 전자진동문제를 체계적으로 검토하고, 이를 이용하여 전동기 진동이 진단법을 신경회로망을 이용하여 구축한다. 그리고 그중에서 비교적 자주 발생하는 공극(air-gap)의 정적편심에 대해 실험을 수행하고, 그 결과를 신경회로망을 이용한 진단법에 적용하여 본 진단법의 유용성을 확인한다. 또한 현장에서 발생된 전기적인 결함에 대한 진동측정 data를 이용하여 진단이 정상적으로 수행되는가를 조사하여 본 진단법의 가능성을 조사한다.

• Proceedings of the Korean Society of Radiological Science
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• 1997.05a
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• pp.89.1-89.1
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• 1997

• Journal of Yeungnam Medical Science
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• v.12 no.1
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• pp.10-20
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• 1995

• The Journal of Korean Orthopaedic Ultrasound Society
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• v.4 no.2
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• pp.59-65
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• 2011

Purpose: To determine the clinical efficacy of the ultrasonography (US) for the diagnosis of the soft tissue masses comparing to the clinical diagnosis through the physical examination. Materials and Methods: 83 consecutive patients with palpable soft tissue masses were presented retrospectively. On the basis of the pathological diagnosis after the operation, the diagnostic accuracies were evaluated the cases diagnosed by history taking and physical examination, and the cases diagnosed by US before the operation. Results: The diagnostic accuracy of the cases using US was higher(86.7%) than that of the cases using physical examination and history taking. The accuracy of US of the epidermal inclusion cyst was 71.4%, ganglion cyst 85.7%, lipoma 88.6%, respectively. Accurate diagnosis were made 54 cases with 65.1% sensitivity in the cases diagnosed by history taking and physical examination. In this case, its accuracy of the ganglion cyst was 56.0%, and the lipoma was 67.9%. Conclusion: US is a useful diagnostic tool for the diagnosis of the palpable soft tissue masses before the operation.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• v.9 no.2
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• pp.190-197
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• 1998

Objectives：This study was conducted to investigate the diagnostic utility of the Rorschach schizophrenia/depression/coping deficite index in child-adolescent parent groups(schizophrenia, depression,depressive conduct disorder). Methods：Three child-adolescent parent groups(schizophrenia(18), depression(20), depressive conduct disorder(19)) were individyally assessed using the Rorschach test and schizophrenia/depression/coping deficite index scores were analyzed. Results：The results showed significant difference among three groups on only SCZI and significantly higher SCZI score of schizophrenia group than other two groups. When the critical value of SCZI was 4, diagnostic hit rate was 96.5%, and when the critical value of DEPI was 3, diagnostic hit rate was 57.9%, and when the critical value of CDI was 4, diagnostic hit rate was 66.6%.

• Journal of the Korean Institute of Intelligent Systems
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• v.5 no.4
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• pp.56-66
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• 1995

본 논문에서는 산업용으로서 널리 이용되고 있는 3상 유도전동기의 전기적 결함에 의해 발생하는 전자진동문제을 체계적으로 검토하고, 이들 진동신호의 주파수스펙트럼을 사용한 전동기의 결함진단 시스템을 신경회로망을 이용하여 구축하였다. 그리고 그 중에서 비교적 자주 발생하는 공극(air-gap)의 정적 편심에 대해 실험을 수행하고, 그 결과를 신경회로망을 이용한 진단법에 적용하여 본 진단법의 유용성을 확인하였다. 또한 현장에서 발생된 전기적인 결함에 대한 진동측정 data를 이용하여 진단이 정상적으로 수행되는가를 조사하여 각 결함을 정확하게 판별할 수 있음을 입증하였다.

• The Korean Journal of Pain
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• v.11 no.2
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• pp.173-181
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• 1998

감별신경차단이 주의깊은 병력 청취, 이학적검사, 신경학적검사를 대체할 수는 없으며 적절한 검사실 또는 심리학적 연구를 줄이는데 의도되서는 안된다. 그러나 이들의 진단적 노력에서도 환자 통증의 원인을 규명할 수 없고 따라서 적절한 치료를 지침해줄 수 없을 때 감별신경차단이 상당한 도움이 될 수 있다. 감별신경차단이 통상적인 진단방법의 결과와 다른 기전을 말해 줄 수 있으나 그런 결과들이 사전의 치료방법이 환자 통증의 제거 실패한 점을 설명해줄 수 있으며, 나아가 특이한 증후군에 대한 적절한 치료방법을 결정해줄 수 있다. 발표된 논문들을 기본으로 고찰한 바, 진단과 예후판정을 위한 도루로써의 신경차단의 이론적 배경을 위축시키는 많은 제한성들이 있음을 알 수 있다. 추가해서 이들 수기들은 임상적 유용성을 증명하기에는 미흡하다. 그러므로 이상적인 진단적 신경차단을 위해서는, 수기관리와 호과의 입증 뿐만 아니라 결과의 분석과 적용에 있어서도 주의가 필요하다. 연구자들은 어떤 경우들에 있어 이들 수기가 계속되는 치료의 지침에 도움이 되는 정보를 제공한다고 보고 있으며, 그러므로 수행자들의 축적된 판단을 조급하게 일축할 필요는 없다. 끝으로 만성통증의 진단적 분류가 혼동되고 복잡하기 때문에 비록 유효성의 증명이 미흡하지만 해부학적 및 생리학적 감각을 얻기 위해서는 진단적 차단의 선별적인 사용의 필요서을 합리화해주고 있다.

• Journal of Industrial Convergence
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• v.17 no.4
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• pp.87-94
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• 2019

The purpose of this study is to predict the usefulness and predictable effects of the use of dementia prevention games and dementia management applications provided in smart-phones for the elderly. First, 6 dementia diagnostic tools used to verify the effectiveness of the dementia prevention program were selected and the cognitive domains tested by each diagnostic tool were extracted. Second, 29 smart-phone dementia prevention game applications and dementia management applications were selected and the expected effects after using these applications were analyzed in connection with the cognitive domain extracted from the dementia diagnosis tool. As a result, it was expected that it would be helpful to manage dementia prevention by improving cognitive function in certain areas when playing games or managing dementia continuously using smart-phone dementia prevention applications. Smart-phone dementia prevention applications will be useful in improving the cognitive ability of the elderly and preventing dementia by supplementing the limitations of the dementia prevention program that is operated offline through time-space ease of use, continuous usability and economic feasibility.

• The Korean Journal of Nuclear Medicine
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• v.31 no.1
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• pp.108-115
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• 1997

$^{131}I-6{\beta}$-iodomethyl-19-norcholesterol(NP-59) has an advantage to assess adrenal dysfunction caused by adrenal cortical disorders. The aim of this study is to evaluate the clinical usefulness of NP-59 scintigraphy in each adrenal disease. Ten patients who did eleven NP-59 adrenal scintigraphies at Dong-A University Hospital from March 1990 to December 1996 were selected as the subject. Among the subject there were 5 cases of Cushing's syndrome, 2 cases of incidentaloma, 1 case of metastatic adrenal tumor, liver cirrhosis with hirsutism and hypertension respectively. Among 5 cases of Cushing's syndrome, there were 2 cases of Cushing's disease, 2 cases of adrenal adenoma and 1 case of adrenal carcinoma. There are no disagreement between clinical diagnosis and scan finding in Cushing's syndrome. In 2 incidentaloma cases, even though one is interpretated as a functioning tumor, both of 2 cases could avoid unnecessary biopsy according to scintigraphy result. One case of hirsutism, clinically adrenal originated, revealed the normal scintigraphic finding after dexamethasone suppression scan. It could suggest that the etiology of hirsutism was extra-adrenal origin. One case of hypertension took the study to exclude the possibility of primary aldosteronism. Normal suppression scan finding revealed that primary aldosteronism did not exist in this case. In conclusion, NP-59 scintigraphy was very useful in diagnosis and differential diagnosis of Cushing's syndrome and it could avoid unnecessary biopsy in the incidental adrenal tumor.