Date: 26 November 2013
Pulmonary aspergillosis (K&E) (parrot C). Tissue from an individually housed and recently purchased, 6 month old African grey parrot found dead in the cage. Necropsy examination revealed focal necrosis of the left lung. This section stained by haematoxylin and eosin reveals septate fungal hyphae within the lung parenchyma. Similar hyphae were located in the walls and lumen of parabronchi, and within the walls of pulmonary blood vessels.
Copyright:
© Dr. Michael Day, University of Bristol
Notes: n/a
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Mr RM is 80 and an ex-coal miner.He developed pneumoconiosis from exposure to coal dust. He also developed rheumatoid arthritis and the combination of this disease and pneumoconiosis is called Caplan’s syndrome.
His chest Xray in early 2015 shows extensive bilateral pulmonary shadowing with solid looking nodules superimposed on abnormal lung fields, contraction of his left lung with an elevated diaphragm and a large left upper lobe aspergilloma, displaying a classic air crescent. His CT scan from mid 2014 demonstrates a large aspergilloma in a cavity on the left, with marked pleural thickening around it, which is partially ‘calcified’ towards its base. Inferiorly on other images,remarkable pleural thickening and fibrotic irregular and spiculated nodules are seen, most partially calcified.
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 (parrot C). Tissue from an individually housed and recently purchased, 6 month old African grey parrot found dead in the cage. Necropsy examination revealed focal necrosis of the left lung. This section stained by haemat){kind=link}