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Med Mycol Case Rep. 2013 Dec 16;3:11-3. doi: 10.1016/j.mmcr.2013.11.004. eCollection 2014.

Case report: Enteral nutritional supplement as a likely cause of false-positive galactomannan testing.

Author information

  • 1Department of Pathology, Singapore General Hospital, Singapore.
  • 2Department of Infectious Diseases, Singapore General Hospital, Singapore.
  • 3Department of Laboratory Medicine, Changi General Hospital, Singapore.

Abstract

The detection of galactomannan (GM) in the serum of in immunocompromised patients is widely used for the early diagnosis of invasive aspergillosis. We report a case of a false-positive GM test presumably caused by the enteral nutritional supplement given to a non-neutropenic patient with intestinal graft-versus-host disease after a hematopoietic stem cell transplant. Clinicians should be alert to the possibility of false-positive GM results in patients on nutritional supplements.

KEYWORDS:

False-positive; Galactomannan; Nutritional supplement; Transplant

PMID:
24567893
[PubMed]
PMCID:
PMC3930958
Free PMC Article
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