Invasive pulmonary aspergillosis due to Aspergillus terreus: value of DNA, galactomannan and (1->3) -beta-D-glucan detection in serum samples as an adjunct to diagnosis

Mokaddas, E.; Burhamah, M.H.A.; Ahmad, S.; Khan, Z.U.

Journal of Medical Microbiology 59(Part 12): 1519-1523


ISSN/ISBN: 1473-5644
PMID: 20724511
DOI: 10.1099/jmm.0.023630-0
Accession: 053962305

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A case of invasive pulmonary aspergillosis caused by Aspergillus terreus is described. The diagnosis was based on demonstration of branched septate hyphae in a sputum specimen and isolation of the fungus in culture. The diagnosis was further supported by detection of A. terreus-specific DNA, galactomannan (GM) and (1→3)-β-D-glucan (BDG) in consecutive serum specimens. The patient was treated for about 10 weeks with voriconazole. The decreasing levels of GM and BDG in serum samples were accompanied by symptomatic and radiological improvement. The report highlights the value of surrogate markers in the diagnosis and for monitoring the course of invasive aspergillosis during therapy.