Date: 26 November 2013
Secondary metabolites, structure diagram: Trivial name – aflatoxin M2
Copyright: n/a
Notes:
Species: A. flavusSystematic name: Cyclopenta[c]furo[3′,2′:4,5]furo[2,3-h][1]benzopyran-1,11-dione, 2,3,6a,8,9,9a-hexahydro-9a-hydroxy-4-methoxy-Molecular formulae: C17H14O7Molecular weight: 330Chemical abstracts number: 6885-57-0Selected references: Nakazato, Mitsuo; Morozumi, Satoshi; Saito, Kazuo; Fujinuma, Kenji; Nishima, Taichiro; Kasai, Nobuhiko (Dep. Food Hyg. and Nutr., Tokyo Metrop. Res. Lab. Public Health, Tokyo 169, Japan). Eisei Kagaku, 37(2), 107-16 (English) 1991.
Images library
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The chest x-ray shows a patient who had a left lung transplanted in May 2003 for cryptogenic fibrosing alveolitis, which was diagnosed post-transplant as sarcoidosis.
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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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