Kim, Chang-Ho;Cha, Seoung-Ick;Han, Chun-Duk;Kim, Yeon-Jae;Lee, Yeung-Suk;Park, Jae-Yong;Jung, Tae-Hoon
Tuberculosis and Respiratory Diseases
/
v.40
no.2
/
pp.158-164
/
1993
Background: Recently, lung abscess tends to be increased in patients with underlying disease, most of whom are unsuitable for surgery when medical treatment fails. The patients with giant lung abscesses do not frequently respond to antibiotics and often have life-threatening complications. Therefore, more intensive cares are required in these patients. We studied the results and effects of percutaneous catheter drainage in these patients. Method: We performed fluoroscopy-guided percutaneous pigtail catheter (8.3 F) drainage by Seldinger technique in 9 cases of lung abscess (in 7 cases, intractable to medical treatment for an average of 8.4 days and in 2 cases, catheter drainage immediately performed due to a large cavity that was initially 10 cm in diameter). We compared 10 cases of lung abscess as control group which had receieved conventional medical treatment alone. Results: Seven of the 9 patients in study group of percutaneous drainage and 7 of the 10 patients in control group of medical treatment alone clinically improved in the average of 1.8 and 8.7 days, respectively. The mean duration of drainage was 13.2 days. There were 3 cases of death from massive hemoptysis, asphyxia of pus, and sepsis in control group, as compared with 2 cases of death from hepatic encephalopathy and sepsis in study group. The malfunctions of catheter occurred in these 2 cases, obstruction and dislodgement. But there were no significant pleuropulmonary complications of percutaneous drainage. Conclusion: Percutaneous drainage is effective and relatively safe in the management of lung abscesses refractory to medical therapy or giant lung abscesses.
Background : In recent years, lung cancer has been one of most common cause of death in Korea. Despite many physician's high degree of pessimism about the gains made in treatment, progressive improvement in the survival of lung cancer by treatment has occurred, particulary in the early stages of the disease. However, a lot of patients refuse treatment or give up in the fight against the disease. This study was done to evaluate factors influencing the compliance to therapy and to lead in the establishment of special programs to enhance compliance in patients with lung cancer. Methods: The medical records of 903 patients, whose ECOG(Eastern Cooperative Oncology Group) performance status was 3 or less and whose medical record was relatively satisfactory, among 1141 patients diagnosed with lung cancer between January 1989 and December 1996 were reviewed retrospectively. Compliance was classified into three groups based on the degree of compliance with physicians practice guideline: (a) compliants; (b) patients who initially complied but gave up of themselves midway during the course of treatment; (c) noncompliants who refused the treatment. Results: The overall compliance rate was 63.9%, which was progressively increased from 57.3-61.3% in 1989 and 1990 to 64.2-67.5% in 1995 and 1996. Age, education level and occupation of patients bore statistically significant relationship with the compliance but sex, marital status and smoking history did not. The compliance was significantly higher in patients without symptoms than with, and was also significantly higher in patients with good performance status. The compliance was significantly high in patients with NSCLC(non-small cell lung cancer) compared to SCLC(small cell lung cancer), but after exclusion of stage I and II, among NSCLC, which had higher compliance to surgery there was no significant difference of compliance by histology. The compliance was significantly lower in advanced stage. Conclusion: To enhance the compliance, special care including education programs about therapy including complication and prognosis are necessary, especially for educationally and economically disadvantaged patients.
Park, Jun-Goo;Won, Jun-Hee;Cha, Seung-Ick;Park, Ki-Soo;Kim, Chang-Ho;Park, Jae-Yong;Jung, Tae-Hoon
Tuberculosis and Respiratory Diseases
/
v.42
no.5
/
pp.731-736
/
1995
Background: Surgical resection is the treatment of choice for localized, operable non-small cell carcinoma of the lung. Curative radiotherapy, however, is considered an alternative to surgery in patients with poor performance state, poor cardiopulmonary function, or who refuse surgery. However, the difference in prognosis after surgery and radiotherapy is not well established in the patients with stage I non-small cell lung cancer. Method: To evaluate the difference in progonsis between surgery and radiotherapy in stage I non-small cell lung cancer, a retrospective study was done with 15 patients treated with curative radiotherapy and 24 patients treated with curative surgery. Results: The overall response rate was 80%, with 33% complete response, after radiotherapy. The median survival time of the patients with radiotherapy was 14.9 months, with 2-year and 5-year survival rates of 22% and 0%, respectively. The median survival time of the patients with surgery was 37.7months, with 2-year and 5-year survival rates of 65% and 41%, respectively. Conclusion: These results suggest that surgery is better than the radiotherpy in view of survival rate and it is necessary to recommend, more strongly, curative surgery to patients with stage I non-small cell lung cancer if the patients are able to receive operation. To compare, more accurately, the difference in prognosis by the modality of therapy, large multicenter study is needed.
Background : Hemoptysis is a common clinical symptom responsible for 11% of admission to the hospital chest service. In KOREA pulmonary tuberculosis is still the most common cause of hemoptysis and the incidence of hemoptysis due to neoplasia has increased. Bronchoscopy and high resonance CT are essential for diagnosis of the cause of hemoptysis. We studied the causes, diagnostic tools and treament treatment of hemoptysis Methods : We conducted a retrospective analysis of clinical profiles, radiologic and bronchoscopy findings and treatments of hemoptysis for 220 patients who were admitted to our hospital with hemoptysis between 1994 and 1998. Results : The mean age at diagnosis was 49.3 years and male to female ratio was 2.1 : 1. The main causes were active pulmonary pulmonary tuberculosis in 72 cases(32.7%), inactive pulmonary tuberculosis with sequlae in 69 cases(31.4%) lung cancer in 43 cases(19.5%), bronchiectasis in 10 cases(4.5%), and chronic bronchitis in 10 cases(4.5%). The mean amount of hemoptysis for 24hrs was 120cc. The mean duration of bleeding was 25 days. The number of cases with a past history of pulmonary tuberculosis were 128 cases, in which 24 were relapsed tuberculosis cases, 25 chronic tuberculosis cases, 69 inactive tuberculosis cases, and 10 lung cancer cases. High resonance CT was the most useful method for structural etiologic evaluation of hemoptysis developed in patients with inactive tuberculosis, bronchiectasis and aspergilloma. Sputum study and bronchofiberscopy were the confirmative diagnostic tools for active pulmonary tuberculosis and lung cancer. The treatments of hemoptysis medical in 152 cases(71.7%), bronchial arteη embolization in 39 cases(17.8%), and operation in 9 cases(4.0%). The mean following up duration was 22.4 months. The overall outcomes of hemoptysis were controlled in 77 cases(43.5%), rebleeding in 100 cases (56.5%) and expired in 9 cases (4.0%). The outcomes of hemoptysis in pulmonary tuberculosis were controlled in 21.6%, rebleeding in 78.4%, and expire in 14.7%. Conculsion : The most common cause of hemoptysis was related with pulmonary tuberculosis. HRCT was an important diagnostic tool in AFB smear negative active pulmonary tuberculosis and inactive tuberculosis with sequelae. Early, proper management of pulmonary tuberculosis is important for prevention of hemoptysis in Korea.
Kim, Chang-Ho;Son, Ji-Woong;Kim, Gwan-Young;Kim, Jeong-Seok;Chae, Sang-Chull;Won, Jun-Hee;Kim, Yeon-Jae;Park, Jae-Yong;Jung, Tae-Hoon
Tuberculosis and Respiratory Diseases
/
v.45
no.2
/
pp.397-403
/
1998
Background: Little information is available concerning the value of bronchoscopy in patients with a lymphocytic exudative pleural effusion in which percutaneous pleural biopsy have been regarded as cornerstone in investigating the etiology. Recently, a few reports suggest that bronchoscopy may be more effective diagnostic method in patients with unexplained pleural effusion accompanied by hemoptysis or other roentgenographic abnormalities, such as mass, infiltrate, atelectasis. Method: Mter initial examinations of sputum and pleural fluid through thoracentesis in 112 patients(male 75 cases, female 37 cases, mean age 53.2 years) who were admitted for evaluation of the cause of pleural effusion, we performed bronchoscopy and closed pleural biology in most patients with undiagnosed lymphocytic exudate and compared the diagnostic yield of both invasive methods according to hemoptysis or other roentgenographic abnormalities, and investigated the sole diagnostic contribution of bronchoscopy. Results: Tuberculosis(57 cases, 51%) was the most common cause of pleural effusion. Percutaneous pleural biopsy showed more diagnostic yield than bronchoscopy regardless of presence or absence of other clinical or radiologic abnormalities. In 25 cases with unknown etiology after pleural biopsy, additional diagnostic yield by bronchoscopy was 36 % (4/11) in patients with associated features and only 7 % (1/14) with lone effusion, and, as the sole mean for diagnsosis in all patients with pleural effusion, was only 4.5%(5/12). Conclusion : In a region of high prevalence of tuberculosis as a cause of pleural effusion, percutaneous pleural biospy is more effective method when invasive method is required for confirmative diagnosis of unexplained lymphocytic exudative pleural effusion, and bronchoscopy is unlikely to aid in the diagnosis of lone pleural effusion.
Kim, Yeon-Jae;Park, Jae-Yong;Shin, Moo-Chul;Bae, Moon-Sup;Kim, Jeong-Seok;Chae, Sang-Cheol;Park, Tae-In;Kim, Chang-Ho;Jung, Tae-Hoon
Tuberculosis and Respiratory Diseases
/
v.45
no.2
/
pp.311-321
/
1998
Background: Mucoepidermoid carcinoma of the lung arises from submucosal gland of tracheobronchial tree. Histologically, the tumor is composed of mucin-secreting cells, squamous cells, and intermediated cells, which show no particular differentiating characteristics, in varying proportions. The tumor is divided into low grade and high grade depending on the proportion of cells, and the degree of the mitotic activity, cellular necrosis and nuclear pleomorphism. While favorable prognosis of low grade tumor, high grade tumor, which is very difficult to differentiate from adenosquamous carcinoma, has an aggressive clinical course. The tumor is rare, comprising 0.1 to 0.2% of primary lung cancers and 1 to 5% of bronchial adenomas. Method: A retrospective clinical study was done on 17 cases of mucoepidermoid carcinoma. The study investigated the clinical features, radiologic findings, bronchoscopic findings, histology and clinical courses. Results: Age ranged between second to seventh decade with a mean age of 42 years. Twelve out of 17 cases were male. Five out of 17 cases were smokers with a mean 11 pack-years. Common symptoms included dyspnea, cough, hemoptysis, and wheezing. Two out of 17 cases was asymptomatic. Atelectasis or mass was common radiologic finding. Plain chest radiography was normal in one patient whom the tumor was located in upper trachea. Bonchoscopy revealed exophytic mass in 12 cases and nodular infiltrations in 4 cases. One case having solitary pulmonary nodule in the right lower lung was normal on bronchoscopy. Histologically, ten out of 17 cases were low grade, and seven out of 17 cases were high grade. Among 10 patients with low grade tumor,9 patients were performed operation and have been alive without recurrence during a mean follow-up of 30 months. Two out of 7 patients with high grade tumor were performed pneumonectomy and have been alive during a follow-up of 3 and 8 months, respectively. Conclusion: Most of mucoepidermoid carcinoma is located at central airway and is presented symptoms by mucosal irirtation. Although atelectasis or mass is common radiologic finding. chest X -ray can be normal. The histologic grading and the extent of tumor are two most important factors for prognosis.
Purpose: Microsatellite instability(MSI) is frequently used as an indicator of microsatellite mutator phenotype(MMP) tumors. MSI has been observed in a percentage of non-small cell lung cancer(NSCLC). However, its role in tumorigenesis of NSCLC remains unknown. The frequency and pattern of MSI in NSCLC were evaluated and clinical parameters of MSI-positive tumors with those of MSS(microsatellite stable) tumors were compared. Materials and Methods: Twenty surgically resected NSCLCs were analyzed for 15 microsatellite markers located at chromosomes 3p and 9p. The peripheral blood lymphocytes of patients were used as the source of the normal DNA. Results: 1) Of 20 cases, 8(40%) demonstrated MSI. 2) Instability was observed more frequently in tri- and tetra-nucleotide repeats than in dinucleotide repeats. In all cases, instability appeared as a shift of individual allelic bands. 3) LDH was observed in 10(50%) of 20 tumors analyzed. 4) Of 20 cases, MSI-H tumor(showing MSI in the majority of markers) was absent. There were 5 MSI-L tumors(showing MSI in a greater than 10% of markers). 5) No significant difference was observed between MSI-L tumors and MSI-negative tumors in terms of clinicopathologic features such as pack-year history of smoking, histologic subtype, and(delete) stage of disease. There was also no significant difference in the incidence of LDH in relation to the status of MSI. Conclusion: These data strongly suggest that MSI plays different roles in lung and colon cancer. MMP pathway appears to be far less important in the tumorigenesis of NSCLC, caused mainly by cigarette smoke, with little familial tendency.
Background: DNA repair plays a crucial role in protecting the genome from cancer-causing agents. Therefore, a reduced DNA repair capacity can increase the susceptibility to cancer. The human OGG1 (hOGG1) gene encodes DNA glycosylase/apurinic lyase and excise 8-hydroxyguanine, one of the major premutagenic DNA lesions, which is produced by oxygen radical forming agents including smoking. Recently several polymorphisms in the hOGG1 gene were identified, and it is possible that these polymorphism') may affect the DNA repair capacity and thus modulate cancer susceptibility. The relationship between the codon 326 polymorphism (Ser to Cys) in the hOGG1 gene and lung cancer risk was investigated. Materials and Method: The Ser326Cys genotypes were determined using PCR-RFLP analysis in 299 primary lung cancer patients and 186 healthy controls who were frequency (case:control=3:2) matched according to age and sex. Result: The frequencies of the Ser326Cys genotypes (Ser/Ser, Ser/Cys and Cys/Cys) among cases (23.4%, 51.8%, and 24.7%, respectively) were not significantly different from those among the controls (22.6%,52.1% and 25.3%, respectively). When the analyses were stratified according to age, sex, smoking status and packyears of smoking, no significant association between this polymorphism and lung cancer risk was found. Moreover, the Ser326Cys genotype showed no apparent relationship with any of the histological types of lung cancer. Conclusion: These result suggest that the hOGG1 Ser326Cys polymorphism is not a major contributor to individual lung cancer susceptibility in Koreans.
Kim, Mi-Jeong;Han, Seung-Beom;Kwak, Jin-Ho;Kwon, Doo-Young;Kim, Min-Su;Choi, Won-Il;Jeon, Young-June;Park, Jae-Yong;Jung, Tae-Hoon
Tuberculosis and Respiratory Diseases
/
v.50
no.1
/
pp.84-93
/
2001
Backgrounds : In the absence of distant metastasis, small cell lung cancer (SCLC) patients presenting with supraclavicular lymph node (SCLN) involvement and pleural effusion can benefit from thoracic radiotherapy. But there are some debate as to the prognostic significance of both SCLN involvement and pleural effusion. The purpose of this study was to determine the prognostic significance of SCLN involvement and pleural effusion in SCLC. Methods : Two Hundred and fifteen patients with histologically confirmed small cell lung cancer, who were treated either at the Keimyung university Dongsan hospital and Kyungpook national university hospital from January 1994 to June 1998, were evaluated retrospectively. The patients were classified as having either limited or extensive stage using the Veterans Administration staging system. Results : SCLN was presented in 10.5% of patients(n=21). The median survival was 247 days for patients with SCLN(n=21) and 264 days for patients without(n=194) (p=0.52). After treatment, the median survival was 298 days for patients with SCLN(n=13) and 348 days for patients without(n=115) (p=0.52). SCLN involvement was not correlated with the presence of distant metastases. Median survival was 459 days for patients with a limited stage without SCLN(n=66), 650 days for those with a limited stage with SCLN (n=7) (p=0.96). Pleural effusion was presented in 24.7% of patients(n=52). The median survival was 198 days for patients with pleural effusion(n=52) and 275 days for patients without(n=163) (p<0.05). After treatment, the median survival was 294 days for patients with a pleural effusion(n=25) and 286 days for patients without(n=103) (p=0.39). The presence of pleural effusion was not correlated with that of distant metastases. The median survival was 395 days for patients with a limited stage without a pleural effusion(n=63), 451 days for those with a limited stage with pleural effusion(n=10) (p=0.92). Conclusionsa : In this study, SCLN involvement does not explain the poor survival rate and the relevance to extensive staged disease. Furthermore, the existence of a pleural effusion did not correlated with the presence of distant metastases. However, the presence of a pleural effusion appears to be a minor prognostic factor in our study. Therefore supraclavicular lymph node involvement and the presence of a pleural effusion in SCLC are not poor prognostic factors, which does not justify any amendment to the staging system currently used.
Jung, Chi Young;Cha, Sung Ick;Jang, Sang Soo;Lee, Sin Yeob;Lee, Jae Hee;Son, Ji Woong;Park, Jae Yong;Jung, Tae Hoon;Kim, Chang Ho
Tuberculosis and Respiratory Diseases
/
v.55
no.3
/
pp.287-296
/
2003
Background : Drowning represents the third most common cause of all accidental deaths worldwide. Although few studies of submersion injury were done in Korea, the subjects were mainly pediatric patients. The purpose of this study is to describe the clinical feature of submersion injury in adults. Methods : The medical records of 31 patients with submersion injury who were >15 years of age and admitted to Kyungpook National University Hospital from July 1990 to March 2003 were retrospectively examined. Results : The most common age-group, cause, and site of submersion accidents in adults were 15-24 years of age, inability to swim, and river followed by more than 65 years of age, drinking, and public bath respectively. The initial chest radiographics showed bilaterally and centrally predominant distribution of pulmonary edema at lung base in about 90% of patients with pulmonary edema represented by submersion injury but at only upper lung zone in 10%. Eventually, 25 patients (80.6%) survived without any neurologic deficit and 2 patients (6.5%) with significant neurologic deficit, and 4 patients (12.9%) died. Age, arterial gas oxygenation, and mental status among baseline variables showed significant difference for prognosis. Conclusions : More than 65 year of age, drinking, and occurrence in public bath were relatively important in submersion injury of adults, and the successful survival of 80.6% of patients suggests that cardiopulmonary resuscitation should be intensively done in even adults.
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