Date: 26 November 2013
Falcons: The following images were obtained by endoscopy of falcons with aspergillosis.A,B Thoracic airsac (T) with prominent blood vessels and a dead serratospiculum worm (W). The presence of these lung worms makes the airsac look milky. D Normal ovary with developing follicles.
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Gross pathology demonstrating the great pleural thickness and two cavities (upper lobe and superior segment of lower lobe) with fragments of fungal mass.
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Histopathological appearance of a fungus ball. Note a conidial head resulting from fungal exposure to the air.
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Histopathological appearance of a fungus ball caused by Scedosporium apiospermum. The presence of anneloconidia differentiates it from Aspergillus.
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Chronic necrotising aspergillosis. Hyaline hyphal and calcium oxalate crystals obtained by needle aspirate biopsy from a diabetic patient with chronic necrotizing aspergillosis caused by Aspergillus niger (Papanicolaou, x 100).
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Aspergillus niger fungus ball and acute oxalosis. Higher magnification of adjacent replicate section.
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Oxalate crystals within renal tubuli (H&E, phase contrast, x 100). This patient developed acute oxalosis.
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Lung surface. Fungus ball, severe parenchymal fibrosis and pleural thickening.
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The periphery of the fungus ball is deeply eosinophilic because of the deposition of Splendore-Hoeppli material.
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 with prominent blood vessels and a dead serratospiculum worm (W). The presence of these lung worms makes the airsac look milky. D N){kind=link}