Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0019621 (Langerhans cell histiocytosis)
 3,250 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Bronchoalveolar lavage (BAL) offers great opportunities in the study of pulmonary diseases. It is safe and noninvasive technique, with similar possibilities than other invasive diagnostic methods and allo-wind repetitions. With the obtained sample, we can assess what happens at the bronchial level as well as the alveolar structures. The introduction of new study methods has increased its profitability in several respiratory pathologies: analysis of tumoral markers in lung cancer, monoclonal antibodies in histiocytosis X, and so on. The BAL can be considered a technique of diagnosis, follow-up, prognosis and evaluation in pulmonary diseases.
 ...
PMID:[Bronchoalveolar lavage in respiratory pathology]. 148 71

Between 1985 and 1989, 395 patients with primary lung cancer were treated at the Percy military teaching hospital, Paris. Among them were 16 patients (4%) aged between 29 and 40 years (mean: 34 years) and smokers (mean cumulative tobacco consumption 24 P.A.). Six of these (37%) had lung parenchyma dystrophy with bilateral apical bullae of emphysema, 1 had a clean cavity left by a previous lung abscess and 1 had microcytic fibrosis resulting from histiocytosis X of the lungs and bones. In all cases cancer had developed in contact with bullous lesions or sequelae. Cancer was discovered during radiological mass screening in 6 cases (37.5%), on the finding of systemic or thoracic symptoms in 5 cases and because of a distant metastasis in 5 other cases. Pathological examination revealed an adenocarcinoma in 8 out of 16 patients and only one small-cell carcinoma. Nearly two-thirds of the patients had reached an advanced stage: 3 were in stage III A, 1 in stage III B and 6 in stage IV. Eight patients underwent curative surgery (7 lobectomies, 1 pneumonectomy). Survival was known with precision in 14 patients: 8 died after a mean follow-up of 15 months (range: 3 and 31 months); 3 were alive with an active cancer and 4 are still alive in complete remission after curative surgery. Six published studies totalling 387 cases are concordant in demonstrating that primary lung cancer is severe in adults below 40 years of age and that surgery is useful in such cases, even with N2 lymph node involvement.
 ...
PMID:[Primary bronchial cancer in subjects aged 40 or younger]. 166 14

To evaluate the usefulness of anti-T6 monoclonal antibody cell analysis in the assessment of diffuse lung disease, 77 bronchoalveolar lavages (BAL) were performed on 70 subjects: 18 normal smokers, 14 normal nonsmokers, 30 patients with chronic interstitial lung diseases (15 sarcoidosis, 12 idiopathic or associated pulmonary fibrosis, 3 histiocytosis X) and 8 patients with diffuse lung neoplastic disorders. The percentage of T6-positive cells was significantly higher in normal smokers than in normal nonsmokers (p less than 0.05). Positive T6 cells were absent or less than 1% in normal subjects, in patients with interstitial lung diseases and in patients with diffuse lung cancer, except in a case of desquamative interstitial pneumonitis, who had 2% of reacting cells. In contrast, such cells were always 3% or higher in the 6 BAL performed in histiocytosis X patients (p less than 0.05).
 ...
PMID:Bronchoalveolar lavage analysis with anti-T6 monoclonal antibody in the evaluation of diffuse lung diseases. 263 45

Cigarette smoking is a common cause of lung disease. It is clearly implicated in the development of chronic obstructive pulmonary disease and lung cancer. Importantly, cigarette smoking has also been implicated in the development of interstitial lung diseases such as respiratory bronchiolitis interstitial lung disease, desquamative interstitial pneumonia, pulmonary Langerhans' cell histiocytosis,and idiopathic pulmonary fibrosis. The exact role of cigarette smoking in the development of interstitial lung diseases is still being defined; the relatively low prevalence of interstitial lung disease makes epidemiologic studies difficult.
 ...
PMID:Cigarette smoking in interstitial lung disease: concepts for the internist. 1546 18

Cigarette smoke, a toxic collection of more than 4000 chemicals generated from combustion of tobacco plant leaves, is known to cause several respiratory ailments, including chronic bronchitis, emphysema and lung cancer, and is associated with an increase in respiratory infections. In addition, cigarette smoking is considered a principal aetiological factor responsible for the development of certain diffuse interstitial and bronchiolar lung diseases, namely respiratory bronchiolitis-interstitial lung disease (RB-ILD), desquamative interstitial pneumonia (DIP) and adult pulmonary Langerhans' cell histiocytosis (PLCH). Although not exclusively seen in cigarette smokers, substantial clinical and epidemiological data support a central role for smoking as the primary causative agent of most RB-ILD, DIP and PLCH. Additional evidence in support of cigarette smoke as a primary aetiological agent in RB-ILD, DIP and PLCH is the observation that smoking cessation may lead to disease improvement, while recurrence of these disorders has been observed to occur in the transplanted lung upon re-exposure to tobacco smoke. Furthermore, histopathological changes of respiratory bronchiolitis, DIP and PLCH (with or without co-existent emphysema) may be found on lung biopsy in the same individual, implicating smoking as a common inciting agent of these diverse lesions. Recent studies also suggest a role for cigarette smoking as a potential co-factor in the development of acute eosinophilic pneumonia, usual interstitial pneumonia and rheumatoid arthritis-associated interstitial lung disease. In the current review, we propose a novel classification that takes into account the complex relationship between cigarette smoking and diffuse lung diseases. Investigation on the role of smoking as a potential causative factor or modifier of these diverse diffuse lung diseases is important, as smoking cessation utilizing state-of-the-art tobacco cessation efforts should be a central part of therapy, while pharmacotherapy with corticosteroids or other immune modifying agents should be reserved for selected patients.
 ...
PMID:Cigarette smoking and diffuse lung disease. 1862 8

Pulmonary diseases associated with tobacco smoking are a complex group of disorders ranging from chronic obstructive pulmonary disease (COPD) to lung cancer. Interstitial lung diseases (ILDs) have only recently been linked to smoking. The ILDs related to smoking include respiratory bronchiolitis-associated interstitial lung disease, desquamative interstitial pneumonia, and pulmonary Langerhans cell histiocytosis. The relationship of smoking with each of these entities has been largely established on the weight of epidemiologic evidence. Although they have been retained as distinct and separate conditions in various classifications of interstitial lung diseases, these 3 entities share a number of clinical, radiologic, and pathologic features suggesting that they represent a spectrum of patterns of interstitial lung disease occurring in predisposed individuals who smoke. Evaluation of histologic features, particularly in surgical lung biopsy samples, is important in making the distinction between these disorders. However, even after tissue biopsy, it may sometimes be difficult to clearly separate these entities. The importance of making the distinction between them lies in the different clinical management strategies used. Further experimental evidence, including genetic information, may be important in improving our understanding of these diseases.
 ...
PMID:Smoking-related interstitial lung disease. 1899 11

Langerhans cell sarcoma, a neoplastic proliferation of Langerhans cells with malignant cytologic features, is a very rare disease. Only a few cases have been documented in the English-language literature. Special methods, like immunohistochemistry and/or ultrastructural examination, are indispensable for appropriate diagnosis. Correct diagnosis is difficult. In fact, the disease is often misdiagnosed. We present the case of a 47 year-old man with a large mass in the middle lobe of the lung, infiltrating anterior mediastinum, with multiple pulmonary round lesions and enlargement of local lymph nodes, and with bronchoesophageal fistula. Clinical examination indicated the possibility of advanced primary lung cancer. However, the first histological diagnosis was Langerhans cell histiocytosis. In spite of treatment, the progression of pulmonary lesions was observed. Therefore, upper- and middle-lobectomy was performed. The diagnosis of Langerhans histiocytosis was confirmed microscopically again. Nevertheless, the patient's condition deteriorated progressively and he was admitted to the National Tuberculosis and Lung Diseases Research Institute in order to establish a final diagnosis. Revision of earlier resected specimens, as well as an immunohistochemical and ultrastructural examination of samples, taken once again from a bronchial tumor, led to the establishment of a diagnosis of a unique form of Langerhans cell sarcoma with rare pulmonary manifestation.
 ...
PMID:[Langerhans cell sarcoma with pulmonary manifestation, mediastinum involvement and bronchoesophageal fistula. A rare location and difficulties in histopathological diagnosis]. 1959 Nov 8

A 38-year-old woman with a long-term history of smoking presented to the lung cancer clinic with weight loss and recurrent lower respiratory tract infections. A diagnosis of Langerhans cell histiocytosis was made by specimen samples taken from video-assisted thoracoscopic surgery. She was advised to stop smoking, which she adhered to. She was followed up in the respiratory clinic with pulmonary function tests every 6 months, which were all normal. Follow-up chest x-ray showed complete resolution of the multifocal interstitial infiltrates, and with smoking cessation, the patient has sustained an excellent quality of life.
 ...
PMID:Rapid resolution of pulmonary Langerhans cell histiocytosis. 2374 31

The smoking-related interstitial lung diseases (ILDs) comprise several diseases that often coexist. In this review, the high-resolution computed tomography (CT) features and pathologic correlates of the traditional smoking-related ILDs (respiratory bronchiolitis-associated ILD, desquamative interstitial pneumonia, and pulmonary Langerhans cell histiocytosis) and those ILDs with less clearly defined relationships to smoking are described. The degree to which these entities coexist and overlap is explored on high-resolution CT scans. Emerging evidence about the link between smoking and lung fibrosis (from lung cancer-screening trials with CT), and smoking as a factor in ageing of the lung, is also discussed.
...
PMID:High-resolution computed tomography features of smoking-related interstitial lung disease. 2448 Jan 44

Cigarette smoking is a major risk factor for pulmonary Langerhans cell histiocytosis (pLCH) and lung cancer. Resolution of pLCH may occur spontaneously, after smoking cessation or other interventions. However, despite clinicoradiological resolution, residual pulmonary Langerhans cells may be present and may lead to recurrent disease. We report the first case of pLCH with a complete histological resolution.
...
PMID:Complete pathological resolution of pulmonary Langerhans cell histiocytosis. 2547 73


1 2 Next >>