Date: 26 November 2013
Secondary metabolites, structure diagram: Trivial name – Itaconic acid
Copyright: n/a
Notes:
Species: A. terreusSystematic name: 2-methylidenebutanedioic acidMolecular formulae: C5H6O4Molecular weight: 130.099Chemical abstracts number: 811Selected references: LARSEN H, EIMHJELLEN KE. The mechanism of itaconic acid formation by Aspergillus terreus. 1. The effect of acidity. Biochem J. 1955 May;60(1):135-9. EIMHJELLEN KE, LARSEN H. The mechanism of itaconic acid formation by Aspergillus terreus. 2. The effect of substrates and inhibitors. Biochem J. 1955 May;60(1):139-47.
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4 Total obstruction of the sinuses due to inflamed mucosa. (Patient 04)
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1 Axial computed tomography (CT) scans of the frontal sinus.
A: due to the long lasting pressure of mucus, the bone of the anterior wall of frontal sinus is thinned out and elevated anteriorly, forming a bulge. B: same situation as depicted in fig A: the posterior bony wall of frontal sinus is thinned out and extremely elevated posteriorly towards the frontal lobe of the brain. As depicted on the scan, a thin bony layer covering the dura could be recognized intraoperatively
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2 Same patient as 1 and 3, frontal CT
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D. 6 months later, tenacious yellow secretions in L basal bronchial division
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C. After suction the material was seen to extend distally – obstructing the right basal stem bronchus
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B. After suction the material was seen to extend distally – obstructing the right basal stem bronchus
