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남송현 ( Song Hyun Nam ), 김우성 ( Woo Sung Kim ), 우준희 ( Jun Hee Woo ), 노용호 ( Yong Ho Rho ), 심영수 ( Yeung Soo Shim ), 김건열 ( Keun Youl Kim ), 한용철 ( Young Chol Han ), 박재형 ( Jae Hyung Park ), 함의근 ( Eui Keun Ham ) 대한결핵 및 호흡기학회 1983 Tuberculosis and Respiratory Diseases Vol.30 No.4
In order to evaluate the role of cytopathologic diagnosis of sputum, bronchial washing and bronchial blushing in the diagnosis of lung cancer, we performed this study. The patients included in this study had undergone sputum, bronchial washing and brushing cytology over the 20-month period of 1985 through 1987. The total number of specimens was 5,495 of 2,242 patients, including 4,830 sputa and 665 bronchial washing and brushings. The average number of sputa and bronchial washings and brushings per case was 2.4 and 1.2 respectively. Among them, about 10% were unsatisfactory specimen, and three-fourths were negative specimens. In sputum cytology, the diagnosis of "atypical cells" was given to 3%, "suspicious for malignancy" was given to 1 %, and "malignancy" was given to 13%. In bronchial washing and brushing cytology, the diagnosis of "atypical cells", "suspicious for malignancy" and malignancy" was given to 6%, 3%, and 20% respectively The cases diagnosed as "atypical cells" in cytology were actually malignancy in 95% and 84.8% of sputum and bronchial washing and brushings respectively, and the "suspicious for malignancy" were actually malignancy in 100% in both methods. The detection rates of malignancy were 504% and 55.2% in sputum and bronchial washing and blushing respectively, and the specificity was 100% in both methods. The accuracy of cell typing was 92% in sputum and 89.7% in bronchial washing and blushing.
Sputum smears of 116 cases in 55 pulmonary tuberculosis patients with the demonstration of acid-fast bacilli in sputum were retrospectively reviewed to investigate the cytologic diagnosis of pulmonary tuberculosis in sputum. Epithelioid cells, multinucleated giant cells of Langhans or nonspecific type, or necrotic materials of caseation or nonspecific nature were found in 40% of the cases, but in 60% of the cases, only nonspecific findings including squamous metaplasia were found. Only in 6% of the cases, the cytologic diagnosis of tuberculosis was possible with the findings of epithelioid cells and muitlnucleated giant cells in a necrotic background.
Curschmann's spirals morphologically similar to those seen in sputum were found in cervico-vaginal smears of six patients ranged from 28 to 40 years of age, during 18 months from January. 1985 to June 1986. The prevalence was 1 in 2147 smears in that period. All of them had gynecologic disorders without systemic effect such as chronic cervictis in three, leiomyoma in one, pelvic inflammatory disorder in one, and primary infertility in one. The Curshmann's spirals in the smear showed varying degrees of maturation from wavy incipient ones to highly celled mature ones, admixed with thick mucinous back-ground, suggesting of their production in the uterine cervix itself. Also the recent history of undergone cryocautery, electrocautery or parturition suggest its production in the endocervical gland due to mechanical obstruction and/or change in biochemical composition of mucus.
An experimental study was performed to observe the early effects of monocrotaline on pulmonary vascular system by means of light microscopy and scanning electron microscopy, attempting to expore the mechanism behind the process of pulmonary hypertension. Experimental animal(Sprague-Dawley male rats ; 150-200g B. W.) were intra-peritoneal administered with 100mg/kg B. W. monocrotaline. Authors observed light microscopically various gradational increase of wall thickness in pulmonary muscular and non-muscular arteries in duration from 2 weeks to 5 weeks after monocrotaline administration and the changes were more sever in the latter than the former. The scanning electron microscopy shows severe and diffuse endothelical cell swelling, microvilli and microbleb formation since 1 hour after monocrotaline administration and during the course, after 5 hours the severity of endothelial cell damage was prominent with presence of fibrin, webs, platelet thrombi and white cell adherence. It was concluded that the monocrotaline primarily induced severe and diffuse endothelial cell damage of pulmonary arteries and laterly added the participation of platelets, which attributed to the pathogenesis of monocrotaline induced pulmonary vascular lesions in relation to pulmonary hypertension.