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Volume 20, Number 5—May 2014
Research

Streptococcus mitis Strains Causing Severe Clinical Disease in Cancer Patients

Samuel A. ShelburneComments to Author , Pranoti Sahasrabhojane, Miguel Saldana, Hui Yao, Xiaoping Su, Nicola Horstmann, Erika Thompson, and Anthony R. Flores
Author affiliations: MD Anderson Cancer Center, Houston, Texas, USA (S.A. Shelburne, P. Sahasrabhojane, M. Saldana, H. Yao, X. Su, N. Horstmann, E. Thompson); Baylor College of Medicine, Houston, Texas, USA (A.R. Flores)

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Table 2

Association between clinical syndrome and infecting species for 118 patients with viridans group streptococci bacteremia

Clinical syndrome Viridans group streptococci*
mitis oralis infantis/australis Sanguinis Anginosus Salivarius/Vestibularis
Primary bacteremia with neutropenia 58 6 3 3 0 2
Primary bacteremia without neutropenia 1 2 0 3 0 0
Gastrointestinal focus 1 2 0 1 3 1
Skin/soft tissue focus 2 1 0 1 0 0
Infective endocarditis 0 2 0 0 0 0
Polymicrobial bacteremia 6 8 0 4 0 0
Clinically minor bacteremia 0 1 1 5 0 2

*mitis, oralis,infantis, and australis refer to viridans group streptococci species; Sanguinis, Anginosus, Salivarius, and Vestibularis refer to viridans streptococci groups (Figure 1) (29).

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Page updated: April 16, 2014
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