title: Case report: Enteral nutritional supplement as a likely cause of false-positive galactomannan testing.
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.
authors.affiliation: Department of Pathology, Singapore General Hospital, Singapore.
authors.forename: Tong-Yong
authors.initials: TY
authors.lastname: Ng
authors.affiliation: Department of Infectious Diseases, Singapore General Hospital, Singapore.
authors.forename: Mei-Ling
authors.initials: ML
authors.lastname: Kang
authors.affiliation: Department of Infectious Diseases, Singapore General Hospital, Singapore.
authors.forename: Ban-Hock
authors.initials: BH
authors.lastname: Tan
authors.affiliation: Department of Laboratory Medicine, Changi General Hospital, Singapore.
authors.forename: Cecilia Cheng-Lai
authors.initials: CC
authors.lastname: Ngan
keywords: False-positive; Galactomannan; Nutritional supplement; Transplant