1.Proliferating and Malignant Brenner Tumors of the Overy: Report of 2 cases.
Sang Sook LEE ; Eun Sook CHANG ; Chai Hong CHUNG
Korean Journal of Pathology 1986;20(1):77-83
Two unusual and rare forms of Brenner tumor are reported and the literatures are reviewed. The one, "proliferating" Brenner tumor, morphologically resembling low grade papillary transitional cell carcinoma of urinary bladder and regarded as a third variant intermediate between the benign and malignant forms; the other, malignant Brenner tumor of right ovary, corresponding to grade III transitional cell carcinoma of urinarybladder with areas of invasive squamous cell carcinoma and benign Brenner tumor of left ovary, combined with bilateral cystic teratomas. These tumors give additional support to the concept that Brenner tumors are composted of epithelium of urinary tract(urothelial) type.
2.Classification of Gallstones and their Characteristics.
Sang Sook LEE ; Eun Sook CHANG ; Chai Hong CHUNG
Korean Journal of Pathology 1986;20(2):157-164
Total 481 cases of gallstones from Korean patients operated at Keimyung University Dongsan Hospital during the last 6 years were classified by macroscopic view according to the classification of Sato, et al and reviewed with a special reference to age, sex, and kinds and sites of gallstones. Gallstrones were present predominatly in the age of 50-60 years, the average 52. Sex ratio (M:F) was nearly equal, being 1:1.05. Gallbladder was the most frequent site, comprising 53.2%, followed by common bile duct, 23.3% and intrahepatic location, 3.7%. Macroscopic classification revealed pigment gallstones in 53.0% (calcium bilirubinate, 41.8%; black, 11.2%); cholesterol gallstones in 36.2%, of which mixed stone being 33.1%. Cholesterol gallstones occurred predominantly in 50-60 years of age with a prediletion to females. On the contrary, elderly persons more than 60 years of age had calciu bilirubinate stones. No sex difference was found in the calcium bilirubinate stones. Eightly-six percent of cholesterol gallstones were present in the gallbladder only. Common bile duct stones were mostly composed of pigment gallstones in 80.4%.
Female
;
Humans
3.The cytogenetic study of 474 cases in Pusan areas.
Sook Ja PARK ; Jin Sook LEE ; Chung Hee CHUN
Korean Journal of Clinical Pathology 1991;11(2):475-483
No abstract available.
Busan*
;
Cytogenetics*
5.Carcinoma In Situ of the Urinary Bladder with Transitional Cell Carcinoma of Prostate: A Histopathologic Study and Mapping of the Urothelial Lesions.
Seung Pyo HONG ; Sang Sook LEE ; Chai Hong CHUNG
Korean Journal of Pathology 1987;21(3):199-206
A 63-year-old male patient with extensive carcinoma in situ of the urinary bladder was found to have unsuspected transitional cell carcinoma of the prostate. Mapping of the totally embedded radical cystectomy specimen demonstrated diffuse, multifocal, epithelial abnormalities, ranging from mucosal atypia to the nonpapillary carcinoma in situ with extension to the urethra, prostatic ducts and glands, seminal vesicles and ureter, probably reflecting individual urothelial susceptibility in reaction to carcinogenic stimulus. The importance of prostatic assessment in the evaluation of the patient with carcinoma in situ of the urinary bladder is emphasized.
Male
;
Humans
6.Immunohistochemical Demonstration of Fibronectin in Paraquat-Induced Interstitial Fibrosis of Adult Human Lung.
Seung Pyo HONG ; Sang Sook LEE ; Chai Hong CHUNG
Korean Journal of Pathology 1987;21(3):138-143
We studied distribution of fibronectin in paraquat-induced adult fibrotic lung by indirect immunofluorescence and indirect immunoperoxidase methods, using affinity-purified antifibronectin IgG peroxidase conjugates and antifibronectin IgG FITC conjugates. In contrast to the relative paucity of staining in normal lung, there was a marked increase in interstitial staining for fibronectin in this fibrotic lung. This marked alterations in the apparent amounts and distribution of fibronectin in fibrotic human lung suggest its involvement in the cellular events accompanying human lung fibrosis.
Adult
;
Male
;
Female
;
Humans
7.Mechanisms of Experimental Pulmonary Fibrosis Following Paraquat Toxicity.
Sang Sook LEE ; Chai Hong CHUNG ; Tae Jung SOHN
Korean Journal of Pathology 1987;21(3):111-137
This study was carried out to investigate the intricate mechanisms of intraalveolar fibrosis, leading to the alveolar structural remodeling, of rat lungs treated with paraquat. Sixty-three male Sprague-Dawley rats, maintained on a stock diet, weighing 200.0 gm, average, were divided into 4 experimental groups. Group 1. Control group (10 rats). Intraperitoneal injections of 2-4 ml normal saline only. Group 2(13 rats). 10, 20, 25, 30 and 40 mg per kg of body weight was administered intraperitoneally. Animals were sacificed 5 hours. 1 and 3 days after paraquat treatment. Group 3(16 rats). 20, 25, 30 and 40 mg per kg of body weight was administered to the animal, and animals died 2-5 days after paraquat administration. Group 4(24 rats). The same amount of paraquat was administered to the animal as in the group 2. Animals were sacrificed 1, 2, 6, 8 and 10 weeks after paraquat treatment. Sacrificed animal lung was examined by gross, light-microscopic, immunohistochemical, ultrastructural observation, along with cellular and chemical analyses of bronchoalveolar lavage fluid. The results were as follows: Grossly, 6 rats of chronic stage (1-10 weeks survival) developed multiple wedge-shaped scars on both lungs. These scars were situated mainly along the bronchial trees, blood vessels and subpleural regions. Light microscopically, the salient features found of the chronic stage lungs were intraalveolar fibrosis. Intraluminal buds or polypoid masses projecting into the alveolar lumen and ducts. Elsewhere, loose connective tissue masses were found to fuse together to alveolar wall, obliterating the alveolar spaces with resultant severe alveolar structural remodeling. Immunohistochemically, fibronectin was found in the center of intraalveolar buds and polypoid mass, projecting into the alveolar lumen, and in the adjacent proliferating alveolar macrophages. An attempt to measure the amount of fibronectin in the bronchoalveolar lavage fluid failed. Electron microscopically, the chronic stage lung revealed marked proliferation of both alveolar macrophages and fibroblasts in the alveolar spaces, the latter containing actin-like microfilaments and collagen fibers arranged in bundles and spirals. In areas, myofibroblasts and smooth muscle cells also present. Cellular analysis of the bronchoalveolar lavage fluid in chronic stage lungs revealed no significant findings. It can be concluded, therefore: That intraalveolar fibrosis of the paraquat-treated lungs of the rat is probably mediated by intraalveolar migrations of the interstitial cells, the main task force being the connective tissue cells, passing through the defects created in the epithelial lining surface to its basement membrane, which were inflicted upon the alveolar wall by paraquat toxicity. Fibronectin, released by activated alveolar macrophages, may be responsible for the migrations of fibroblasts and myofibroblasts into the alveolar spaces to form the intraalveolar fibrosis with subsequent alveolar structural remodeling,
Male
;
Humans
;
Rats
;
Animals
8.Diagnostic Efficiency of Lactate Dehydrogenase, Crreatine Kinase and Troponin T in Acute Myocardial Infarction.
Chae Hoon LEE ; Kyung Dong KIM ; Chung Sook KIM
Yeungnam University Journal of Medicine 1995;12(1):48-55
The present study was designed to evaluate the efficiency of total lactate dehydrogenase, total creatine kinase, LD1/LD2 ratio, CK-MB and newly developed troponin T in acute myocardial infarction. The level of troponin T was 0.010.02 pg/L in 34 healthy person, but the peak vaule of acute myocardial infarction ranged in 4.7-24.2 pg/L. Total lactate dehydrogenase was peaked in 1 to 3 days after chest pain and then progressively decreased, but LD1/LD2 ratio was persistently higher than 1.0 for 10 days in most patients. Total creatine kinase and CK-MB were peaked in 1-2 days, and normalized in 3-4 days, so they, were useful in early diagnosis of acute myocardial infarction, but not for the late stages of acute myocardiz l infarction. Troponin T is early elevated and persistently high level for more than 10 days. Comparing with total lactate dehydrogenase, total creatine kinase, LD1/LD2 ratio and CK-MB, troponin-T test improves the efficiency of serodiagnostic method for the detection of ischemic myocardial damage.
Chest Pain
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Creatine Kinase
;
Early Diagnosis
;
Humans
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Infarction
;
L-Lactate Dehydrogenase*
;
Lactic Acid*
;
Myocardial Infarction*
;
Phosphotransferases*
;
Troponin T*
;
Troponin*
9.Prevalence of HBV DNA in Packed Red Blood Cells.
Chae Hoon LEE ; Chung Sook KIM ; Dal Ho SONG
Yeungnam University Journal of Medicine 1995;12(2):339-346
Assays for HBsAg, HBV DNA, anti-HBc and anti-HBs of 285 units of packed red blood cells supplied by Taegu Red Cross Blood Center were performed to evaluate the correlation between the prevalence of HBV DNA and the serologic markers for hepatitis B virus. None of 285 plasma samples was positive for HBsAg, however, HBV DNA were detected by polymerase chain reaction in 2 samples which both presented only with anti-HBc positivity.. Of 204 samples tested for anti-HBs, 96 samples(47.1%) were positive and among 216 samples tested for anti-HBc, 80 samples(37.0%) were positive. Of 193 samples tested for both anti-HBs and anti-HBc, 80(41.1%) were all negative and 48(24.9%) were positive on both tests. Those samples which showed positivity only to anti-HBc were 25(13.0%). Considering the above results, transfusion-transmitted hepatitis B virus infection could be prevented by discarding anti-HBc positive blood, however, that may bring insufficient supply of donor bloods in the country like Korea where the prevalence of anti-HBc is high. Anti-HBc positive blood unequivocally positive for anti-HBs should be considered noninfectious for HBV and should be allowed to be transfused. It would reduce the amount of discarding donor blood as the routine blood donor screening tests presently used at Korea Red Cross Blood Center supplemented by anti-HBs and anti-HBc testing.
Blood Donors
;
Daegu
;
DNA*
;
Erythrocytes*
;
Hepatitis B Surface Antigens
;
Hepatitis B virus
;
Humans
;
Korea
;
Mass Screening
;
Plasma
;
Polymerase Chain Reaction
;
Prevalence*
;
Red Cross
;
Tissue Donors
10.A subclassification of conduct disorder by child behavior checklist.
Hwan Bae LEE ; Young Sook KWACK ; Ki Chung PAIK
Journal of Korean Neuropsychiatric Association 1992;31(2):351-362
No abstract available.
Checklist*
;
Child
;
Child Behavior*
;
Child*
;
Conduct Disorder*
;
Humans