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Postmortem examination showed marked pleural thickening and adhesion, especially on the left side. On the left side, there were dense adhesions between the aorta, pericardium, and mediastinal structures. A portion of the aorta and pericardium were excised with both lungs. Dissection showed a hole just beneath the brown vegetation on the lateral wall of the left main bronchus that opened into the aorta (Fig 1 and 2). A probe demonstrated a fistula between the left main bronchus and the aorta (Fig 3). Serial cuts through the fistula showed granulomas with caseous necrosis. Auramine-rhodamine stain of the specimen showed typical bacilli under the fluorescent microscope. Sections of both lungs showed anthracotic deposits and chronic inflammatory reactions with scattered granulomas, some with caseous necrosis. Auramine-rhodamine stain of these areas also showed acid-fast bacilli. The aorta was otherwise normal. http://www.fml-eye-drops.com/ (more…)

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  • Broncho-aortic Fistula Secondary to Pulmonary Tuberculosis

    Feb 16, 2015 Author: Walter Mcneil | Filed under: Tuberculosis

    Broncho-aortic Fistula Secondary to Pulmonary TuberculosisMassive hemoptysis, defined as expectoration of more than 500 ml of blood within 24 hours, is usually due to tuberculosis, bronchiectasis, or pulmonary abscess. Investigation of these cases include a routine chest x-ray film, bronchoscopy, bronchography, sputum cytology, angiographic techniques, and, recently, computerized axial tomographic scanning. Fistulous connection between the tracheobronchial tree and the aorta occurs very rarely and has been reported secondary to aortic aneurysmal or graft erosion of the tracheobronchial wall. We report a case of broncho-aortic fistula secondary to pulmonary tuberculosis without primary involvement of the aorta. www.patanol-eyedrops.com (more…)

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