Background : Angiogenesis plays a critical role in human tumor growth and metastasis. Microvessel count as a measure of tumor angiogenesis, has been significantly correlated with invasive and metastatic patterns in breast. prostate and cutaneous carcinomas. Materials and Methods : Fifty patients with curatively resected non-small cell lung cancer were evaluated. Tumor tissues embedded in paraffin block were stained by anti CD 31 (PECAM, platelet endothelial cellular adhesion molecule) using immunohistochemical method to assess microvessel count. Microvessels were counted in the most active areas of neovascularization(microscopy, 200$\times$). Results: 1) Mean microvessel count was 47.1$\pm$17.7(per 200$\times$field) in total 50 cases. 2) Mean microvessel count of adenocarcinoma (54.4$\pm$19.9) was significantly higher than that of squamous cancer (43.9$\pm$16.2) (p<0.05), but there were no relationship between microvessel count and TNM stages. 3) Median survival time, 2-year and 5-year survival rates of the low microvascular group (microvessel count<45, 22 cases) were 61 months, 80% and 40%, respectively, and those of the high microvascular group(microvessel count$\geq$45, 28 cases) were 46 months, 75% and 12%, respectively. As results, prognosis of low microvascular group is statistically significantly superior to that of the high microvascular group (p=0.0162, Kaplan-Meier, log-rank). Conclusion : Angiogenesis assessed by microvessel count can be used as one of the significant prognostic factors in non-small cell lung cancer.
Kang, Jeong Sik;Kim, Sa-Ra;Kim, Dong Wook;Song, Tae Won;Kim, Nam Hee;Hwang, Jong Hee;Moon, Jin Soo;Lee, Chong Guk
Clinical and Experimental Pediatrics
/
v.52
no.1
/
pp.81-86
/
2009
Purpose : Febrile convulsions are classified into simple or complex types, the latter being characterized by increased risk of recurrence and progression to epilepsy. This study aimed to delineate the clinical characteristics of complex febrile convulsions. Methods : Between January 2003 and December 2006, 550 children were diagnosed with febrile convulsions at the Department of Pediatrics, Ilsan Paik Hospital. Their medical records were retrospectively reviewed for comparison between simple and complex febrile convulsions, and clinical findings of complex febrile convulsions were clarified. Results : Our subjects comprised a male-to-female ratio of 1.64:1; the age range was from 8 months to 8 years. Simple febrile convulsions comprised 432 cases, i.e., 4 times as many as complex febrile convulsions (118 cases). The causes of febrile illness included acute pharyngotonsillitis (357 cases, 64.9%), pneumonia (55 cases, 10.0%), acute gastroenteritis (37 cases, 6.7%), and otitis media (20 cases, 3.6%). We did not find any significant difference between simple and complex febrile convulsions in most clinical parameters such as gender, age, family history of febrile convulsions, and cause of febrile illness. Regarding subtypes of complex febrile convulsions, repeated convulsions were the most frequent (72.0%), followed by prolonged convulsions (16.9%) and focal convulsions (5.1%). Conclusion : We have reported here the clinical features of complex febrile convulsions. Although the results did not show any significant difference between simple and complex febrile convulsions in most clinical parameters such as gender, age, family history of febrile convulsion, and cause of febrile illness, further studies are essential to delineate complex febrile convulsions.
The synergistic effect of conjugated linoleic acid (CLA) and $\gamma$-oryzanol (OZ) on the reduction of visceral and body fats was investigated in mice. Female ICR mice, 10 weeks of age, were acclimated for one week and then randomly divided into 5 treatment groups by body weights: Control (70 ${\mu}l$ olive oil + 30 ${\mu}l$ CLA), CLA-OZ 1 (70 ${\mu}l$ olive oil + 30 ${\mu}l$ CLA + OZ 0.5 mg), CLA-OZ 2 (70 ${\mu}l$ olive oil + 30 ${\mu}l$ CLA + OZ 1.0 mg), OZ (100 ${\mu}l$ olive oil + OZ 1.0 mg), and Olive oil (100 ${\mu}l$ olive oil). Samples were daily intubated, p.o., for 4 weeks. Food and water were ad libitum. Four weeks later, mice were sacrificed by neck dislocation, followed by measuring whole body weight, empty carcass weight (ECW), which is weight without organs and visceral fats, visceral fats, body fats and protein content. Mice treated with CLA (control) sample maintained significantly, p<0.05, lower whole body weight, ECW, visceral and body fats, relative to mice treated with olive oil sample, indicating that CLA reduces the visceral and body fats. The CLA-OZ 1 treatment significantly reduced, p<0.05, visceral and body fats as compared to OZ treatment, but not significantly different from control treatment.Meanwhile, CLA-OZ 2-treated mice maintained significantly, p<0.05, lower visceral and body fats than control and OZ-treated mice. Protein contents in mice were not affected by any other treatments. These results suggest that OZ enhanced the reduction of visceral and body fats in mice by CLA.
Kim, Seog Heon;Cheong, Hae-Kwan;Jung, Cheoll;Lee, Seonju;Ko, Joon Tae;Kim, Moon Kyu;Jeoung, Eun Young;Bae, Sun Ho
Pediatric Infection and Vaccine
/
v.10
no.2
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pp.193-199
/
2003
Purpose : This study was performed to investigate the epidemiologic feature of aseptic meningitis in Pohang city for 6 years from 1997 to 2002. Methods : We reviewed the clinical records of 1,839(1,138 male and 701 female) aseptic meningitis patients who had been admitted to 3 general hospitals in Pohang city from 1997 to 2002. Results : 1,750 cases(1,078 male and 672 female) were selected as aseptic meningitis by reviewing clinical records. The ratio of male to female was 1.6 : 1. Aseptic meningitis occured in children of all age groups, and the prevalent age group was different by year. The most common developed month was June(31.3%), and 84.2% of cases were focused from May to August. The time from the initial manifestation to hospital admission was $4.19{\pm}2.96$ (median 3 days). Conclusion : We were performed to investigate the epidemiologic feature of clinical records of Aseptic meningitis pediatric patients who had been admitted and treated to 3 General hospitals in Pohang city from 1997 to 2002. We have to keep up Our study for consideration of the basic of Aseptic meningitis epidemiology and long term control is necessary to prevention the impact of Aseptic meningitis because Aseptic meningitis pediatric patients were continuously recorded by Epidemiological annual report in Pohang city.
Kim, Jon Soo;Choi, Jun Seok;Choi, Doo Young;You, Chur Woo
Clinical and Experimental Pediatrics
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v.51
no.8
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pp.827-833
/
2008
Purpose : Early identification of iron deficiency in young children is essential to prevent damaging long-term consequences. It is often difficult for the pediatrician to know which indices should be used when diagnosing these conditions especially in hospitalized young children. This study investigated the clinical significances of reticulocyte hemoglobin content in young children with acute infection. Methods : We studied 69 young children aged from 6 to 24 months admitted with acute infection in a single center. Venous blood was drawn to determine hemoglobin (Hb), mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH), hemoglobin content (CH), reticulocyte hemoglobin content (CHr), and red blood cell distribution width (RDW) using ADVIA 120 (Bayer Diagnostics, NY, USA). For evaluating iron status, iron, total iron binding capacity, ferritin and transferrin saturation (Tfsat) were determined. Iron deficiency was defined as Tfsat less than 20%, and iron deficiency anemia as Tfsat less than 20% and Hb level less than 11 g/dL. Results : In all, 47 were iron deficient; 17 of these had iron deficiency anemia. CHr was the only significant predictor of iron deficiency (likelihood ratio test=71.25; odds ratio=0.67; P<0.05). Plasma ferritin level had no predictive value (P=0.519). Subjects with CHr less than 27.4 pg had lower Hb level, MCH, CH, Tfsat, and iron levels than those with CHr 27.4 pg or more (P<0.05 for all). Conclusion : CHr level was a sensitive screening tool and the strongest predictor of iron deficiency in hospitalized infants with acute infection; it was cost saving and avoiding additional sampling. However its reference range should be established.
A total of 22 Leptospiua inlermgans field isolates from the ~ a t s captured in 5 provinces of Korea in 1996, and 6 antigenically closely related relerence serovars of lai, yeonchon, birkini. gem, mwogolo. and canicola were analysed. When the antigenic characteristics were analysed by reactivity with 7 monoclonal antibodies prepared with sh.ains belongng to serogroup Icterohaemorrhagiae. all 22 isolates showed the same reaction pattern with that of serovar lai. Large restriction fragment patterns obtained after cleavage of geno~nic DNAs with infrequently cuttimg restriction enzymes were analyzed by pulsed-field pel electrophoresis(PFGE). Identification of leptospira strains by PFGE with Nor I, Asc I or Iise I digests correlated with their antigenically typed serovars, silh a few exceptions. PFGE of isolates, except for JR89, digested wjth Nor I showed identical pattern w~th serovar lai, showing 13 Cragments between 940 kb and 63 kb. When PFGE pallerns of JR89 were compared with those of serovar lai, Not I digest showed additional two hands of 1000 kb and 460 kb, while Asc I digest showed 650 kb fragment and Fse I digest did not show the fragment of 280 kb. Whereas serovar yeonchon. which was isolated in Korea and identified as a new serovar previously. could be differentiated from serovar lai in antigenic reactivities with monoclonal antibodres. it showed the similar PFGE pattern with serovar lai includin~ reference and field isolates. It was suggested that Korean leptospiral field isolates are closely related in DNA level.
In this study to evaluate the involvement of EGFR, HER-2/neu and ALCAM (CD166) oncogene products in canine mammary neoplastic lesions, sections of archived paraffin-embedded samples of 49 mammary tumors were analyzed immunohistochemically using antibodies against human EGFR and HER-2/neu and ALCAM. These 49 tumors were divided into 2 groups: 22 benign (19 adenoma, 3 benign mixed tumors) and 27 malignant tumors (2 simple adenocarcinomas, 5 complex adenocarcinomas, 3 solid carcinoma, 5 sclerosing carcinoma, 8 malignant mixed tumors and 4 malignant myoepithelioma). As a result of immunostaining, 31.8% (7/22) of the benign tumors and 29.6% (8/27) of the malignant tumors expressed the HER-2/neu oncogene product, EGFR expression was detected in 27.3% (6/22) of benign tumors and in 22.2% (6/27) of the malignant tumors. ALCAM expression was detected in 40.9% (9/22) of benign tumors and in 7.4% (2/27) of the malignant tumors. These results suggest that some of the biological and morphological characteristics of the tumor are associated with canine mammary gland tumors, as also reported for human breast cancer, the possibility of using anti-HER-2/neu antibodies in the treatment of canine mammary tumors.
For the improvement of nursery condition and the study of eco-physiological characteristics of Pinus koraiensis(2-2) seedlings, the primary productivity was investigated and the growth characteristics and their correlationship were analyzed from May to September in 1987. Seedlings used in this study were grown at the nursery of Experimental Forestry of Kyung Hee Univ. The installation of experimental plots were divided into control plot (100%), 63%, 37% and 19% relative light intensity, and each relative light intensity plots were split into $15{\times}15/m^2$, $12{\times}12/m^2$, $9{\times}9/m^2$ and $6{\times}6/m^2$ plnting density by randomized black design method. To take into account the edge effect of plant population, material were selected from each plot by random sampling at 30 days interval. Each sampled material was divided into leaf and stem drived in a drying oven at the temperature of $85^{\circ}C$ until it had constant weight and weighed. and leaf area was surveyed. Growth analysis for RGR and NAR was done by Blackman method and correlation coefficient were investigated between RGR and NAR by analyzing the dry matter production and growth characteristics of the material, cultivated on the experimental nursery under the condition of different treatment the obtained result were as follows : 1. The increasing rate of dry matter was similar at early stage of growth, but not at late stage. 2. Leaf area growth was the maximum value at 63% relative light intensity and the minimum at 19% RLI 3. The value of RGR was the highest on June under $6{\times}6/m^2$ planting density in 63% relative light intensity, the lowest on September under $12{\times}12/m^2$ of 19% relative light intensity. 4. The change NAR decreased in early stage of growth, while it increased on August and September, The value of RGR on June under $6{\times}6/m^2$ planting density in 100 light intensity was the highest, and on September under $12{\times}12/m^2$ planting density in 19% relative light intensity was the lowest. 5. Regression and correlation between RGR and NAR showed significantly positive.
The purpose of this study was to investigate if there were a significant differences in mandibular position between cephalometric measurements from a centric occlusion tracing compared to those of a acquired centric relation by stabilization splint on malocclusion patient with TMD. 60 malocclusion patients, who had TMD and CO-CR discrepancy beyond normal range, were selected and subdivided into Class I, II, III by Angle's classification and also subdivided into clockwise, straight downward, and counterclockwise group by Jarabak's posterior facial height/anterior facial height ratio. Lateral cephaolmetric radiographs with the mandible in centric occlusion were taken and measured, and for each Patient the stabilization splint with mutually protected occlusal scheme was applied for minimum 3months. After each patient's CO-CR discrepancy was in normal range, lateral cephalometric radiographs were retaken and measured. The comparison of the difference between CO-CR cephalometric measurements in all sample, Class I, II, III groups, and Clockwise, Straight downward, Counterclockwise groups were studied. The finding of this study can be summarized as follows: 1 In all sample, the value of cephalometric measurements was significantly different between CO-CR. The mandible rotated to down and posterior position and the vertical change was greater than the horizontal change (overjet-1.3mm increase, overbite-1.9mm decrease). 2. In Class II malocclusion group, most of the mean difference value between CO-CR is higher than that of the other groups and more measurements was statically significant. 3. In clockwise and counterclockwise group, some of the mean difference value is higher than that of straight downward group and more measurements was statically significant. 4. There ware no measurements that explain centric relation measurements from the type of malocclusion, facial pattern and centric occlusion measurements. Henceforth, it is strongly recommended that stabilization splint therapy for orthodontic treatment on TMD patient should be excuted upon overall facial types prior to orthodontic diagnosis and treatment planning.
Background : As the pleural inflammation progresses, exudative pleural fluid becomes loculated rapidly with pleural thickening. Complete drainage is important to prevent pleural fibrosis, entrapment and depression of lung function. Intrapleural urokinase instillation therapy has been advocated as a method to facilitate drainage of gelatinous pleural fluid and to allow enzymatic debriment of pleural surface. This study was designed to investigate the predictors of effectiveness of intrapleural urokinase in the treatment of loculated pleural effusion. Method : Thirty-five patients received a single radiographically guided pig-tail catheter ranging in size from 10 to 12 French. Twenty-two patients had tuberculous pleural effusions, and 13 had non-tuberculous postpneumonic empyemas. A total of 240,000 units of urokinase was dissolved in 240 ml of normal saline and the aliquots of 80mL was instilled into the pleural cavity via pig-tail catheter per every 8hr. Effectiveness of intrapleural urokinase instillation therapy was assessed by biochemical markers, ultrasonography, and technical details. A greater than 50% improvement on follow-up chest radiographs was defined as success group. Result : Twenty-seven of 35 (77.1%) patients had successful outcome to urokinase instillation therapy. Duration of symptoms before admission was shorter in success group ($11.8{\pm}6.9day$) than in failure group ($26.62{\pm}16.5day$) (P<0.05). Amount of drained fluid during urokinase therapy was larger in success group ($917.1{\pm}392.7ml$) than in failure group ($613.8{\pm}259.7ml$) (P<0.05). Pleural fluid glucose was higher in success group ($89.7{\pm}35.9mg/dl$) than in failure group ($41.2{\pm}47.1mg/dl$) (P<0.05). Pleural fluid LDH was lower in success group ($878.4{\pm}654.3IU/L$) than in failure group ($2711.1{\pm}973.1IU/L$) (P<0.05). Honeycomb septated pattern on chest ultrasonography was observed in six of eight failure group, but none of success group (P<0.05). Conclusion : Longer duration of symptoms before admission, smaller amount of drained fluid during urokinase therapy, lower glucose value, higher LDH value in pleural fluid examination, and honeycomb septation pattern on chest ultrasonograph were predictors for failure group of intrapleural urokinase instillation therapy.
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