Galactomannan

From IDWiki
Revision as of 13:58, 11 August 2019 by Maintenance script (talk | contribs) (Imported from text file)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Galactomannan

Definition

  • Quantitative analysis of galactomannan levels in either bronchoalveolar lavage or blood that is used to diagnose invasive aspergillosis

Pathophysiology

  • Galactomannan is a component of the cell wall of Aspergillus species that is released when the organism is actively dividing

Interpretation

  • Bronchoalveolar lavage more sensitive than serum
  • False-positives in pip/tazo, amox/clav, Penicillium spp., Histoplasma spp.