PMC5292362_01
Peritonitis due to NVS. Abdominal CT scan with contrast. The arrow points to the hyperintensity demonstrating fluid accumulation consistent with peritonitis.
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fig1
An abdominal CT scan performed with oral and intravenous contrast showed moderate pelvic-free fluid with peritoneal enhancement and mild to moderate diffuse thickening of the adjacent ileum and terminal ileum (Figure 1).
Satellite growth of nutritional variant streptococci (NVS) around Staphylococcus aureus. Small colonies of NVS are seen in areas on the blood agar plate where S. aureus has completely lysed red blood cells (beta-hemolysis), releasing nutrients required for NVS growth.
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fig2
Growth on blood agar plates occurred only in the presence of beta-hemolytic Staphylococcus aureus (Figure 2) and the organism was identified as NVS species.