Date: 26 November 2013
Secondary metabolites, structure diagram: Trivial name – aflatoxin M1
Copyright: n/a
Notes:
Species: A. flavus, A. parasiticusSystematic name: Cyclopenta[c]furo[3′,2′:4,5]furo[2,3-h][1]benzopyran-1,11-dione, 2,3,6a,9a-tetrahydro-9a-hydroxy-4-methoxy-, (6aR-cis)-Molecular formulae: C17H12O7Molecular weight: 328.28Chemical abstracts number: 6795-23-9Selected 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.Toxicity: Slightly less toxic than aflatoxin B1 with an oral LD50 for the one day-old duckling 0.46 mg/kg body-weight. Significantly less carcinogenic than aflatoxin B1.
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Nodules and areas of atelectasis are seen at both bases. He later died.
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It is clearly a relatively small cavitary lesion, and the patient was almost asymptomatic. This response was a ‘stable’ response. The patient was included in the report Denning DW, Lee JY, Hostetler JS, Pappas P, Kauffman CA, Dewsnup DH, Galgiani JN, Graybill JR, Sugar AM, Catanzaro A, Gallis H, Perfect JR, Dockery B, Dismukes WE, Stevens DA, NIAID Mycoses Study Group multicenter trial of oral itraconazole therapy of invasive aspergillosis. Am J Med 1994; 97: 135-144.
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Well demarcated pulmonary infarction is well seen in this close-up of the lung at autopsy in a patient with histologically confirmed invasive aspergillosis. Angio invasion is characteristic of invasive aspergillosis, is associated with a worse prognosis, but is not always seen.
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This 83 year old man presented with weight loss to a lung cancer clinic in mid 2003.
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