provided the original work is properly cited. CC A large mediastinal mass directly compressing the pulmonary arteries and the tracheobronchial trees may be associated with severe ventilation-perfusion (V/Q) mismatch. There have been some reports in the literature of sudden collapse involving mediastinal masses, possibly caused by the mass impinging on the pulmonary artery and the contralateral ...

Left mainstem bronchus as it is transected at carma. FIGURE 1B: Left main stem bronchus open at distal end plus tracheal end closed. Insert shows teflon tube being anastomosed to distal left bronchus. The carcinogenicity of tobacco tar for the skin of mice was proved by Wynder, Graham, and Croninger in 1953.' Rockey and co-workers found that tobacco tar applied directly to the bronchial mucosa ...

There is an increasing concern about the possible adverse effects of diesel exhaust particulates on human health. In a diesel exposed occupational group composed of 120 toll collectors, a cross-sectional study was performed to evaluate the chest radiographs and 40 toll collectors were selected for computed tomography examination according to hyperinflation and linear markings. The wall thicknes...

BACKGROUND This study was proposed to evaluate a new method for autograft transplantation of liver tissue fragments (LTF) in the lung parenchyma and bronchus of dogs and to compare the results to find out if they are suitable sites for hepatocyte implantation or not. MATERIALS AND METHODS THE DOGS WERE RANDOMLY ASSIGNED INTO TWO CATEGORIES: LTF auto-transplantation to the lung parenchyma and ...

INTRODUCTION Extranodal marginal B-cell lymphoma of bronchus-associated lymphoid tissue is a rare entity accounting for less than 1% of all lymphomas. We report a case of a low-grade bronchus-associated lymphoid tissue lymphoma stage IV with transformation to an aggressive large B-cell lymphoma. CASE PRESENTATION A 59-year-old African-American man was incidentally found to have a bronchus-ass...