Background : The aim of this study was to analyze the clinical manifestations and efficacy of treatment regimens in order to determine the adequate combination of anti-tuberculotic agents and duration of treatment for tuberculous lymphadenitis. Methods : We made a review of 373 patients with tuberculous lymphadenitis, who were admitted to four medical college hospitals in Taegu Korea from 1989 to 1998, and their diagnoses were confirmed histologically and bacteriologically. Results : The incidence of tuberculous lymphadenitis was 71.3% in women and 57.7% were between the ages of 20 and 39 years. The most common symptom was painless swelling. The most commonly involved lymph nodes were unilateral superficial cervical lymph node groups. Tuberculous lymphadenitis was accompanied with active pulmonary tuberculosis, commonly. The sensitivity of fine needle aspiration(FNA) in tuberculous lymphadenitis was 79.6%, and 92.2% of the patients had a strong positive reaction to the tuberculin skin test. The most commonly prescribed anti-tuberculotic regimen was the combination of INH, RMP, EMB, and PZA(62.6 %). Eighty percent of patient were treated for 9-12 months. There was no significantly difference in the recurrence rate of tuberculous lymphadenitis between the combinations of anti-tuberculotic agent, including INH and RMP, and between the durations of treatment, for a period of 6 months of more. Conclusion : The combination of FNA cytologic examination and tuberculin skin test may be helpful in the diagnosis of tuberculous lymphadenitis. We propose that the combination of anti-tuberculotic agents, INH, RMP, EMB, and PZA, be prescribed to patients for 6 to 9 months.
Background : Pulmonary Langerhans cell histiocytosis forms part of a spectrum of diseases that are characterized by a monoclonal proliferation and infiltration of organs by Langerhans cells. Several organ systems may be involved in Langerhans cell histiocytosis, including the lungs, bone, skin, pituitary gland, liver, lymph nodes and thyroid. Pulmonary histiocytosis X represents 2.8% of interstitial lung disease. Here we present the clinical, radiological, therapeutic aspects of pulmonary histiocytosis X. Method : Fourteen cases of biopsy-proven pulmonary histiocytosis X patients who were diagnosed in Seoul National University Hospital during the period from January 1990 to December 1998 were analyzed retrospectively. Result : There were 12 men and 2 women in this study. The initial presenting symptoms were dyspnea, cough, chest pain, which was associated with the pneumothorax, and chest radiography abnormalities. Only 8 patients (57%) were smokers. There were 5 patients with extra-pulmonary histiocytosis (pituitary, bone, skin). Eight patients had received the chemotherapy. There were no mortalities and only one patient experienced an aggravation of symptom during the follow-up period. Conclusion : In contrast to previous reports from other countries, the patients with pulmonary histiocytosis X in this study presented with several different clinical characteristics, such as a male predominance, relatively low smoker's rate, and a better prognosis.
Background: The aims of this study were to assess the etiologies, survival and prognostic factors of patients with chronic cor pulmonale visited Pusan National University Hospital. Methods : This study included 103 patients with chronic cor pulmonale. There were 67 men and 36 women. The diagnosis of chronic cor pulmonale was primarily based on the presence of underlying lung disorder and echocardiographic finding of enlarged or hypertrophied right ventricle. Other clinical data including patients' symptoms and signs, findings of arterial blood gas analysis, hematologic and biochemical laboratory and pulmonary function test were assessed. Results: The most common underlying lung disorder was pulmonary tuberculosis(59.2%) and chronic obstructive pulmonary disease was the next(28.2%). The survival rate was 57% in one year, 45% in two years, and 34% in three years. The prognostic factors were maximal voluntary ventilation(MVV), forced vital capaoity(FVC), $FEV_1$ serum Na, vital capacity(VC), serum albumin and peak expiratory flow(PEF) in univariate analysis. And in multivariate analysis, serum albumin(p=0.0144) and VC(p=0.0078) were statistically significant. Conclusion: Pulmonary tuberculosis was the most important underlying lung disorder in chronic cor pulmonale. The survival rate was 57% in one year, 45% in two years, and 34% in three years. Serum albumin (p=0.0144) and VC(p=0.0078) were statistically significant prognostic factors.
Song, Suk Ho;Hahn, Hye Sook;Kyung, Sun Young;Hwang, Jun Kyu;An, Chang Hyeok;Lim, Young Hee;Park, Gye Young;Park, Jeong Woong;Jeong, Seong Hwan
Tuberculosis and Respiratory Diseases
/
v.52
no.4
/
pp.330-337
/
2002
Background : A pulmonary tuberculoma is one of the most common causes of a solitary pulmonary lesion. Treating a tuberculoma is still controversial and there are few reports on antituberculosis chemotherapy. In this study, the clinical findings and changes in the size of tuberculomas on a radiograph after completing antituberculosis chemotherapy was investigated. Methods : The medical records, an chest radiographs of 18 pulmonary tuberculoma patients who were admitted to the Gachon medical school, Ghil medical center between April 1998 and August 2001, were reviewed. The symptomatic changes were recorded and the size of the tuberculomas following treatment were compared. To compare the size, the long distance of each tuberculoma on the chest radiographs were measured and the additional radiological findings of calcification, satellite nodules and cavities were investigated. Results : Fifteen patients were men and 3 were women. The median age was 46 (24-74). Among these 18 patients, 14 patients had clinical symptoms. The other 4 patients were diagnosed incidentally as during a routine chest radiograph. The mean size of the tuberculomas on the initial plain chest film was $4.3{\pm}2.3cm$(range : 1.7-10 cm) and after 6 months treatment, it had decreased to $1.68{\pm}2.00cm$(range : 1.5-6.5 cm) (P<0.05). At least 6 months of antituberculosis chemotherapy resulted in the findings of a tuberculoma with a disappearance in 9, a decreased size in 4, and no change in 5 on the chest radiograph. Calcifications were found in 3 patients on the initial chest film and the chest CT and all calcified tuberculomas had disappeared after treatment. Conclusion : Although a pulmonary tuberculoma can remain as an inactive lesion for a long time, if it is confirmed by pathological or bacteriological methods, antituberculosis chemotherapy will be beneficial despite the presence of calcification.
Yoon, Ji Yeol;Lim, Chae Man;Lee, Sang Do;Kim, Woo Sung;Kim, Dong Soon;Kim, Won Dong;Kim, Hyun Kuk;Woo, Young Dae;Park, Mi Yeoun;Koh, Younsuck
Tuberculosis and Respiratory Diseases
/
v.52
no.4
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pp.367-375
/
2002
Background : Murine typhus is a flea-borne, worldwide Rickettsial disease caused by Rickettsia typhi. Its symptoms are typically mild but sometimes can be fatal. The major clinical features include fever, rash, and headache. Recently, we experienced 6 cases of ARDS associated with a Rickettsia typhi infection. This study was aimed to analyze the attributing factors for fatal murine typhus and to review the characteristics of the patients who showed acute respiratory distress syndrome as the initial presentation. Methods : The medical records of 15 patients diagnosed as murine typhus were reviewed. The diagnosis was made by single titers of 1:512 or higher, or a 4-fold rise with compatible clinical features. Acute Respiratory Distress Syndrome (ARDS) was defined according to the American-European Consensus Conference. The Characteristics between the ARDS group and the non-ARDS group of murine typhus were compared. Results : Six patients developed ARDS as their initial presentation. Two of them were women and three of them had lived urban area. None of Them a showed skin rash. One of them expired during treatment. The time lapse until the commencement of the specific treatment, the lower serum albumin level, the higher serum total bilirubin level, the higher APACHE III score and the higher MOD score were significantly associated with the ARDS group compared to the non-ARDS group. Conclusion : Murine typhus should be considered as one of the etiologies for the ARDS of unknown cause, particularly in an endemic regions. ARDS caused by Murine typhus generally has a good prognosis.
Background : To evaluate the efficacy and safety of gemcitabine and cisplatin chemotherapy in advanced non-small cell lung cancer (NSCLC). Materials and Methods : Forty patients (21 men, 19 women ; age range, 37 to 73 years; median, 63 years) with unresectable stage IIIB to IV NSCLC were evaluated. Patients received cisplatin $60mg/m^2$ (Day 1), gemcitabine $1200mg/m^2$ (Day 1 and 8) every 21 days. Eighteen patients had stage IIIB disease and 22 had stage IV. There were 28 patients of adenocarcinoma (70.0%), 11 of squamous cell carcinoma (27.5%), and one of large cell carcinoma (2.5%). Results : Of 40 patients, no patients showed complete response while 15(37.5%) showed partial response, 7(17.5%) had stable diseases, 18(45%) had progressive diseases. During a total of 195 courses of chemotherapy, grade 3 or more granulocytopenia and thrombocytopenia occured in 12.5% and 2.5% of patients respectively. Non-hematologic toxicity was mild and easily controlled. There was one case of treatment-related death by pneumomia. The median survival was 55 weeks (95% CI, 34~75weeks), and the time to progression was 19 weeks (95% CI, 16~23weeks). One year survival rate was 55% and 2 year survival rate was 10%. Conclusion : The efficacy of cisplatin and gemcitabine combination chemotherapy was acceptable in the treatment of advanced NSCLC.
Purpose : Aneurysms of sinus valsalva are rare anormalies thought to be primarily congenital in origin, progressing into death by acute heart failure in cases of rupture. Surgical correction is the only method of treatment. With these clinical implications, we reviewed the clinical characteristics and surgical results of patients with ruptured sinus of valsalva aneurysm. Methods : Between January 1991 and February 2004, 17 patients with ruptured sinus of valsalva aneurysm were retrospectively reviewed for their clinical symptoms, physical findings, past history, coexistent cardiac anormalies, surgical results, and mid-term prognosis. Results : The 17 patients included 13 men and four women, with a mean age of 30 years(10-59 years). Preoperatively accompanying cardiac anormalies were ventricular septal defect(VSD, eight cases of doubly committed juxta-arterial VSD) and aortic insufficiency(11 cases). During operations, patterns of fistulous tracts were found to be right colonary sinus-right ventricle in 13 patients, right coronary sinus-right atrium in one, noncoronary sinus - right ventricle in two, noncoronary sinus - right atrium in one, and VSD was noticed in 14 patients(all were doubly committed juxta-arterial in type). The defects were closed with a patch in 13 patients, without a patch in four, with concommitant aortic valve replacement in four and with aortic valvuloplasty in two. There were no mortalities during operations or the mid-term follow-up periods($40{\pm}49$ months). Conclusion : Because, at least in Orientals, VSD(especially doubly committed juxta-arterial) was accompanied in large numbers of patients with aneurysms of sinus valsalva, preoperative evaluations of this congenital heart disease should be made very careful. And we may need to revise the algorithm of treatment policy in small sized doubly committed juxta-arterial VSD.
Purpose : Recent development of diffusion tensor imaging enables the evaluation of the microstructural characteristics of the brain white matter. However, optimal imaging parameters for diffusion tensor imaging, particularly concerning the number of diffusion gradient direction, have not been studied thoroughly yet. The purpose of this study was to evaluate the influence of the number of diffusion gradient direction on the fiber tracking of the white matter. Materials and methods : 13 healthy volunteers (ten men and three women, mean age 30 years, age range 23-37 years) were included in this study. Diffusion tensor imaging was performed with different numbers of diffusion gradient direction as 6, 15, and 32, keeping the other imaging parameters constant. The imaging field ranged from 1 cm below the pons to 2-3 cm above the lateral ventricle, parallel to the anterior commissure-posterior commissure line. FA (fractional anisotropy) maps were created via image postprocessing, and then FA and its standard deviation were calculated in the genu and the splenium of the corpus callosum on each of FA maps. Fiber tracking of the corticospinal tract in the brain was performed and the number of the reconstructed fibers of the tract was measured. FA, standard deviation of FA and the number of the reconstructed fibers were compared statistically between the different diffusion gradient directions. Results : FA is not statistically significantly different between the different diffusion gradient directions. By increasing the number of diffusion gradient direction, standard deviation of FA decreased significantly, and the number of the reconstructed fibers increased significantly. Conclusion : The higher number of diffusion gradient direction provided better quality of fiber tracking.
Kim, Shin-Kee;Lee, Chang-Hee;Kim, Kyeong-Ah;Choi, Jae-Woong;Lee, Jong-Mee;Park, Cheol-Min
Investigative Magnetic Resonance Imaging
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v.12
no.2
/
pp.115-122
/
2008
Purpose : To evaluate the correlation between the radiological non-invasive hepatic fibrosis index (RNHFI), as determined by SPIO-enhanced MRI, and the laboratory non-invasive hepatic fibrosis index. Materials and Methods : Patients (99 total: 61 men and 38 women; mean age: 58 years) who underwent SPIO-enhanced MRI (1.5T) during 5 years included. These patients were subdivided into a liver cirrhosis group (LCG) and a non-liver cirrhosis group (non-LCG). Using PACS view, we measured the RNHFI (mean standard deviation of hepatic signal intensity (SD), noise-corrected coefficient of variation (CV)) of three ROIs in the liver parenchyma by SPIO-enhanced MRI. The laboratory non-invasive hepatic fibrosis index (AST-platelet ratio index (APRI)) of all patients was calculated from the laboratory data. We compared the RNHFI and APRI of LCG with those of non-LC group using Student's t-test. A bivariate correlation was performed to investigate the relationship between the RNHFI and APRI in the LCG. Results : For the LCG, mean values of SD and CV by SPIO-enhanced MRI were $10.3{\pm}3.7$ and $0.19{\pm}0.08$, respectively. For the non-LCG, mean values of SD and CV were $6.5{\pm}1.6$ and $0.08{\pm}0.05$, respectively. The mean APRI of the LCG and the non- LCG were $2.04{\pm}1.7$ and $0.32{\pm}0.32$, respectively. The RNHFI and APRI were significantly different between both groups (p<0.05). For the LCG, the bivariate correlation between SD and APRI revealed a statistically significant positive correlation (r=0.5, p<0.001). In both groups, there was no statistically significant correlation between CV and APRI. Conclusion: A measurement of SD can be a simple and useful method for the evaluation of hepatic fibrosis.
Kim, Eun Jung;Shin, Pyung Gyun;Jang, Kab Yeul;Kong, Won Sik;Han, Young Sook;Yoo, Young Bok
Journal of Mushroom
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v.12
no.2
/
pp.96-106
/
2014
The primary objective of the present study is the characterization of the somatic hybrids of dikaryon-monokaryon (di-mono) crosses in mushroom breeding. We employed this technique for developing superior strains from Pleurotus ostreatus strains with 48 intraspecific hybrids of 12 combinations between six P. ostreatus strains and one P. florida strain. The results on the experiments of hybridization rate, nuclear DNA patterns, and colors and morphology of fruit-bodies, are presented. In di-mono crosses, somatic hybrids among Pleurotus strains showed 100% of crossability as seen in those between P. ostreatus and P. florida strains indicating that the nuclei of a dikaryon is inferred to be migrated to a recipient. 87.5% of the somatic hybrids among Pleurotus strains were similar to the donor dikaryons, and 12.5% of the somatic hybrids presented DNA patterns of both parents. In 16.6% of di-mono crosses between P. ostreatus and P. florida, the nuclear DNA patterns of all hybrids showed the same or similar patterns compared to the donor dikaryons. 70.9% of the hybrids between P. ostreatus and P. ostreatus were similar to the donor dikaryons and 12.5% of them presented the DNA patterns of both parents. 79.2% of fruiting body morphology of the hybrids among Pleurotus strains were similar to the dikaryons and 20.8% of them were similar to both parents. Interestingly, the morphology of all dikaryons were dissimilar each other. All hybrid strains between dikaryon P. florida and monokaryon P. ostreatus showed the fruiting body of which colors were similar to those of the dikaryon, while the hybrids between dikaryon P. ostreatus and monokaryon P. florida were showed the combined colors of both parents. Therefore, the fruiting body color of P. florida tends to be generally dominant. In conclusion, the present study provides a way to find out and suggest superior hybrid strains using the nuclear DNA patterns of hybrids between Pleurotus strains as well as the characteristics of their fruiting bodies. The advantages of the di-mono crossing are needs to be fully utilized in mushroom breeding because it is an ideal way to develop the superior strains of Pleurotus.
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