PMC6610226_01
Gram stain of blood culture showing gram positive rods (arrow).
gr1.jpg
PMC6610226_01_gr1.jpg
fig0005
Her blood cultures grew gram positive rods (Fig. 1), rapidly identified via matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF) as L. monocytogenes, and her antimicrobial regimen was switched to ampicillin and gentamicin.
Gram stain of brain abscess fluid showing gram positive rods (arrow).
gr2.jpg
PMC6610226_01_gr2.jpg
fig0010
The Gram stain was positive for gram positive rods and the bacterial culture also grew L. monocytogenes (Fig. 2).