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Lieu, A., Mah, J., Peirano, G., Somayaji, R. and Church, D. (2022) Microbiological Characterization of Actinotignum schaalii Strains Causing Invasive Infections during a Multiyear Period in a Large Canadian Health Care Region. Microbiology Spectrum, 10, e03442-22.
https://doi.org/10.1128/spectrum.03442-22

has been cited by the following article:

• TITLE: Acute Suppurative Abscess Caused by Actinotignum schaalii

  AUTHORS: Edward Ager, Maha Soliman, Jude Abadie

  KEYWORDS: Neck Abscess, Bruker MALDI-TOF, Gram Positive Coccobacillus, Facultative Anaerobe, Actinotignum schaalii, Actinobaculum schaalii

  JOURNAL NAME: Case Reports in Clinical Medicine, Vol.15 No.8, August 14, 2026

  ABSTRACT: Actinotignum schaalii is a pathogen that has been generally associated with urinary tract infections. Here we report a finding of A. schaalii found in a specimen from the drainage of a neck abscess in a 49-year-old male who was initially seen for a post-surgical follow-up visit for a surgical procedure on his foot. A gram-positive bacteria was isolated from drainage taken from the neck abscess and then characterized by Bruker MALDI-TOF mass spectrometry. As is consistent with other reports, this fastidious bacteria was an unexpected finding and was likely a causative pathogen that could have been missed using traditional microbiology laboratory testing procedures not incorporating the Bruker MALDI-TOF.