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Query: UMLS:C0242379 (lung cancer)
 71,905 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Thoracoscopy has become an important tool in the diagnosis and management of intrathoracic disease. Between April 1991 and October 1992, 93 patients underwent thoracoscopy. Lung resection was performed on nineteen patients for diagnoses of interstitial lung disease and on seven patients for pulmonary nodules. Eleven patients underwent therapeutic lung resection for management of pneumothorax or air leaks. Sixteen patients underwent thoracoscopy for pleural disease. This was to diagnose mesothelioma (2), to lyse benign adhesions (2), to drain empyema (2), and to evacuate loculated pleural effusion (10) thoracoscopically. Nine patients underwent thoracoscopic staging for lung cancer. Thirteen patients underwent thoracoscopic staging for esophageal cancer as part of a prospective trial. Other indications for thoracoscopy included pericardiectomy (6), sympathectomy (2), and resection of mediastinal mass (4). Thoracoscopy is an excellent option for patients at high risk from standard thoracotomy and may allow procedures to be performed which would prevent the need for open thoracotomy, resulting in shorter hospital stay and less postoperative pain.
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PMID:Efficacy and safety of thoracoscopy for diagnosis and treatment of intrathoracic disease: the University of Maryland experience. 804 59

In this lecture, importance of growth factors in reproductive functions and cancer growth are discussed. Among many kinds of growth factors, epidermal growth factor (EGF) and transforming growth factor (TGF)alpha are mentioned; both of these are called as EGF family because these share a common receptor (EGF receptor) and show similar biological activities. It is known that growth factors are important in reproductive fields. They play vital roles in the follicle development and the endometrial proliferation in response to estrogen. We studied the expression and role of EGF and TGF alpha in human fallopian tube. Immunohistochemical and RT-PCR studies revealed the menstrual stages specific synthesis and expression of EGF and TGF alpha in tubal epithelial cells. They were abundant at the late follicular and luteal stages, were little at the early follicular stage, suggesting that these growth factors are expressed in response to estrogen. We, next, examined the role of these factors in early embryo development using mouse embryos. Embryo development was significantly improved when embryos were co-cultured with human tubal epithelial cells. However, the favorable effects of the tubal epithelial cells were almost completely abolished by the addition of anti-EGF and -TGF alpha neutralizing antibodies. These facts suggest that EGF and EGF alpha expressed in human epithelial cells promote embryo development in a paracrine manner. Autocrine mechanisms by growth factors are known to be important on cancer cell growth. Among many kinds of autocrine mechanisms TGF alpha/EGF receptor autocrine mechanism is the most commonly expressed in many kinds of cancers such as lung cancer, esophageal cancer, pancreas cancer and liver cancer.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Growth factors in gynecology]. 808 8

In eastern Austria, mortality from cancer of the mouth and pharynx, larynx, esophagus and lung between 1960 and 1989 developed differently by site and gender. In males, a decrease in lung cancer contrasted with an increase in mouth/pharynx cancer, while rates for cancer of the larynx and esophagus changed only slightly. At all sites, similar double-wave shaped cohort effects were discernible, with a period of decreasing risk separating two periods of increasing risks. The extents of these cohort effects, especially in the later rise of mouth/pharynx neoplasms, shaped the respective mortality curves. In females, lung cancer was found to increase over the whole period, while mouth/pharynx cancer increased during the last decade with risks increasing from cohort to cohort. Larynx rates became somewhat greater during the last two decades. Esophageal cancer demonstrated a steady decrease. For tobacco-related cancers, deglutitional sites were affected in a growing proportion. The combined topical effects of tobacco and alcohol suggest an increasing influence of the co-factor alcohol upon the occurrence of upper aerodigestive cancers in eastern Austria.
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PMID:Mortality from cancer of the head and neck, lung and esophagus in eastern Austria between 1960 and 1989. 817 68

It is well known that vocal cord paralysis is sometimes the only sign of an otherwise symptom-free malignant tumor. We report 69 cases of vocal cord paralysis caused by malignant tumor experienced at our clinic over the past 18 years. They consisted of 28 cases of thyroid cancer, 21 lung cancer, 14 esophageal cancer, 3 mediastinal tumors and 3 tumors of miscellaneous origin: 41 cases were male and 28 female. In the 65 patients with unilateral paralysis, the left side was affected in 45 and the right in 20. The remaining 4 patients had bilateral paralysis. There was a marked sex difference in the origin of malignant tumors; the incidence of lung cancer was higher in males with paralysis on the left side, while that of thyroid cancer was higher in females. Ultrasonography (US) of the neck, chest X-ray, CT scan of the chest and contrast esophagography should be performed for the detection of malignant tumors in cases with left paralysis, while US of the neck and chest X-ray appear to be sufficient in cases of right paralysis.
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PMID:Statistical analysis of malignant tumors detected as the cause of vocal cord paralysis. 820 15

We treated 10 cases of thoracic malignancy accompanied with cardiovascular disease. Among thoracic malignancy, 7 cases were lung cancer and 3 were esophageal cancer. Accompanied cardiovascular diseases were ischemic heart disease (2 cases), valvular disease (3 cases), WPW syndrome (1 case), aortic aneurysm (4 cases). The mean age was 66, ranged from 51 to 79. The simultaneous occurrence of the two lesions were observed in 6 cases and thoracic malignancy was diagnosed after a varying interval of time following surgery of cardiovascular disease in 4 cases. In cases of thoracic malignancy accompanied with heart disease, the treatment of heart disease should precede the operation of malignant disease to reduce the risk of surgery. For the patient with esophageal cancer, posterior mediastinal esophagostomy should be applied who may have heart surgery in future. In cases of coexisting malignancy and aortic aneurysm, the priority of treatment should be determined considering the size of aneurysm. If the transverse diameter of aneurysm is larger than 7 cm, there is a high risk of rupture, so surgery for the aneurysm precedes operation of malignant diseases. It is desirable to avoid concomitant operation of malignancy and cardiovascular disease.
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PMID:[Treatment of thoracic malignancy accompanied with cardiovascular disease]. 823 Sep 1

This retrospective follow-up study evaluates the mortality experience of 123,232 male hourly workers employed at a motor vehicle manufacturing company in 1973. Company computerized personnel records were used to identify subjects and to obtain their employment history. Follow-up through December 31, 1985 was conducted using company, state, and national data sources. The mortality rates of the cohort were compared with the rates of the United States (U.S.) general population of white or black men, adjusting for age and calendar time, and using the standardized mortality ratio (SMR) as the measure of association. The overall mortality rate of cohort members is lower than the U.S. rate by 11% among whites (11,060 observed/12,427 expected deaths; SMR = 89) and by 24% among blacks (3,744/4,926 deaths; SMR = 76). These low mortality rates reflect deficits of diseases other than cancer. Cancer SMRs are 99 for whites and 90 for blacks. There are slight excesses of stomach cancer (SMR = 113) and of lung cancer (SMR = 108) among whites and of cancer of the large intestine and rectum (SMR = 114) and of the lymphopoietic tissue (SMR = 111) among blacks. Both whites and blacks have a large deficit of buccal cancer and pharynx cancer, and blacks also have a deficit of esophagus cancer. The cohort's overall deficit of deaths is due largely to the favorable mortality experience of active workers. In contrast, white subjects who have left active employment have an 11% mortality excess, and inactive black subjects have a mortality rate that is similar to the general population rate. The increased mortality among inactive whites is not limited to any one particular disease category. This pattern may reflect illness-related employment termination and generalized confounding by socioeconomic status, although the study does not rule out a relationship between workplace exposures and specific diseases.
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PMID:Mortality patterns among men in the motor vehicle manufacturing industry. 825 65

Photodynamic therapy utilizing Photofrin has proven to be an effective modality that can be used in the treatment of a wide variety of solid tumors and luminal cancers. An argon pumped dye laser or excimer dye laser was used to deliver 630 nm light via quartz fibers passed through the biopsy channel subsequent to i.v. injection of photosensitizer. In this study, 64 patients with superficial cancers were treated in this manner but only 58 patients, including 21 with roentgenographically occult lung cancer, 8 with stage I lung cancer, 5 with esophageal cancer, 12 with gastric cancer, 8 with cervical cancer and 4 with bladder cancer were evaluable. Complete remission was obtained in 48 out of 58 cases (82.8%). There was no serious complication except skin photosensitivity, which was seen in 13 patients. We conclude that photodynamic therapy is efficacious in the treatment of superficial cancers where complete remission may be achieved.
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PMID:Photodynamic therapy for cancers: a clinical trial of porfimer sodium in Japan. 827 25

This report describes the development of the first known national surgical database designed for the practicing community cardiothoracic surgeon. Acceptance by members of The Society of Thoracic Surgeons has been gratifying. The number of patients on the system has grown from 116,109 at the end of 1991 to an anticipated 350,000 to 450,000 by the end of 1993. At the time of this report, 842 surgeons were participating, and more than 1,200 will be on the system by the end of 1993. A risk stratification system has been incorporated into the software, which predicts each patient's risk based on the individual surgeon's past experience. Trend analyses demonstrate a substantial increase in the number of patients at increased risk for perioperative death for coronary artery bypass operations over the past 5 years, while observed mortality has remained relatively constant. Programs are available for adult and congenital heart disease, lung cancer, and esophageal cancer, and modules for mediastinal tumors, pleural disorders, and benign pulmonary disease will soon be added. We anticipate that growth will continue as the need for practice profile data increases because of reimbursement issues.
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PMID:The Society of Thoracic Surgeons National Database status report. 827 77

Many surgical studies show a significant stratification of survival following resection of esophageal cancer based upon accurate pathologic staging. However, investigators are moving away from single modality therapy toward multimodality trials for the treatment of this disease. This presents a problem in staging of patients before therapy is begun. Chemotherapy and/or radiation therapy may alter the local tumor characteristics and nodal metastases, thus confounding evaluation of treatment results. Although CT scanning and transesophageal ultrasound help in assessing nodal status, they have not reached the precision necessary for study purposes. Pretherapy nodal staging using video-assisted exploration may provide the same level of accuracy as mediastinoscopy does for lung cancer.
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PMID:Laparoscopy/thoracoscopy for staging: II. Pretherapy nodal evaluation in carcinoma of the esophagus. 835 87

Twelve human monoclonal antibodies (HuMAb) were established by the fusion of (mouse x human) heteromyeloma cells with B-lymphoblastoid cells derived from the regional lymph nodes of three patients with squamous cell carcinoma of the lung. They were tested for reactivity to two kinds of proteins (purified protein derivatives and bovine serum albumin) by ELISA, Sq-19 (squamous cell carcinoma) culture cells by indirect membrane immunofluorescence tests, and Sq-19 tumor xenograft by immunohistological study. Among them, one HuMAb 904F (IgM, lambda) was selected. In indirect membrane immunofluorescence tests, this 904F antibody reacted with various kinds of cell lines, e.g. lung cancer, esophageal cancer, endometrial cancer, and stomach cancer. It did not react with malignant hematopoietic and diploid fibroblast cell lines. Immunohistologically, it stained the tumor nests of squamous cell carcinoma, adenocarcinoma, and large cell carcinoma of the lung. It also stained those of esophagus and colon, but not those of small cell carcinoma of lung, or stomach. On frozen-section specimens of normal tissues from various organs, it showed only limited areas of positive staining. Limited positive findings were observed at a reticular zone of the adrenal gland, at the esophagus as weak staining, and at islets of the pancreas as very weak staining. Western blotting analysis demonstrated that it recognized a 54 kDa trypsin-sensitive molecule which is expressed on the surface of tumor cells. These results suggest the 904F monoclonal antibody detects a novel tumor-associated antigen which is recognized by the human immune system.
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PMID:A novel human monoclonal antibody directed to a tumor-associated antigen. 839 67


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