Table 2.

Published cases of S. anginosus bacteremia leading to abscess formation

Ref.	Gender	Age (years)	Underlying diseases	Invasive pathway	Organ with abscess	Number of abscesses	Treatment of abscess	Outcome
Prashanth Rawla et al. [23]	Male	62	Hypertension, dyslipidemia, hypothyroidism,colon cancer	Cancer destroyed the integrity of the blood-mucosal barrier and led to the S. anginosus bacteremia	Liver	Single	Empirical antibiotics (vancomycin, metronidazole, piperacillin-tazobactam). Positive blood culture (ceftriaxone)	Improved
Umair Masood et al. [24]	Male	62	Hypertension, diabetes mellitus, colorectal cancer	Cancer destroyed the colonic mucosa, and the pathogens invaded the circulation	Liver	Multiple	Empirical antibiotics (vancomycin, piperacillin-tazobactam). Positive blood culture (ceftriaxone)	Improved
Marina Gorelik et al. [25]	Female	63	Hypertension, diabetes mellitus, ileal stromal tumors	Cancer destroyed the colonic mucosa, and the pathogens invaded the circulation	Liver	Multiple	Ceftriaxone, metronidazole, percutaneous drainage	Improved
Miguel E. Cervera-Hernandez et al. [26]	Female	45	Hypertension, asthma, morbid obesity status	Laparoscopic sleeve gastrectomy destroyed the colonic mucosa, and the pathogens invaded the circulation	Spleen	Single	Empirical antibiotics (piperacillin-tazobactam). Positive blood culture (meropenem, linezolid, ceftriaxone, metronidazole), percutaneous drainage	Improved
Daniel C Baumgart [27]	Male	41	Ulcerative colitis, fulminant pancolitis	Inflammatory bowel disease caused bacterial translocation of the gut, resulting in bacteremia	Endocardium		Empirical antibiotics (gentamicin, vancomycin), surgery	Improved
J Campos et al. [28]	Male	53	Hepatocarcinoma	Oropharyngeal infection	Peritonsillar abscess with adrenal and bone extending to the right posterior neck space and to the mediastinum		Piperacillin-tazobactam, imipenem, linezolid, fluconazole	Died
Huseyin Agah Terzi et al. [29]	Male	32	Poor oral hygiene, dental caries, impairment of mucosal integrity	Poor oral hygiene caused abscess and bacteremia	Abdominal cavity	Multiple	Ceftriaxone, metronidazole	Improved
Jia Dong et al. [30]	Female	41	Pneumonia		Mediastinum		Ciprofloxacin, clindamycin, moxifloxacin, etimicin, oseltamivir phosphate, linezolid	Died
Norikazu Arakura et al. [31]	Male	63	Acute obstructive suppurative cholangitis		Round ligament of the liver		Meropenem trihydrate, levofloxacin, surgical operation	Improved