Table 1. Summary of cases with Clostridium septicum infection of Hepatic Metastases Age Reference (yr)/ Primary cancer/ location Gender Comorbid conditions Ischemic heart disease, Saleh et al [current Metastatic 53/M report] adenocarcinoma of colon cardiomyopathy, s/p hemicolectomy and chemotherapy. Liver metastases treated by alcohol injection Clinical presentation Drainage procedure Antibiotics Outcome [Follow-up] Piperacillin- Fever, cough, hypotension, high CRP and LFTs. Multiple Percutaneous liver abscesses on CT scan. drainage of Positive abscess culture, liver abscess Negative blood cultures tazobactam, followed by Survived [7 oral months] amoxicillinclavulanic acid Fever, painful, Kurtz et al [12] hepatomegaly and high Metastatic colon 50/F cancer including s/p chemotherapy liver metastases CRP. Abdominal CT showed multiple liver abscesses. Positive blood and liver Percutaneous drainage of liver abscess Piperacillintazaobatam followed by Died imipenem abscess cultures Fever, nausea, abdominal Broad pain, pleuritic chest pain, Urban et al [13] 68/M Metastatic hypotension, leukocytosis, adenocarcinoma of abdominal distension. Liver colon with liver and S/P chemotherapy lung metastases abscesses with air-fluid level and spectrum Percutaneous intravenous drainage of antibiotics liver abscess followed by suppression scan. Positive blood cultures [8] 52/F days] oral penicillin pneumoperitoneum on CT D’Orsi et al Survived [37 Metastatic hepatic S/P hepatic arterial Fever, chills, hypotension, Cefalexin, Adenocarcinoma of infusion of chemotherapy Liver abscess on plain clindamycin gastrointestinal for liver metastases radiographs. Positive blood primary complicated by hepatic cultures. None and gentamicin Died [6 weeks after initial presentation] artery thrombosis followed by oral chloramphenic ol Fever, abdominal pain, anemia, elevated LFTs and Adenocarcinoma of Khan et al [3] 59/M colon with liver Hypertension metastases renal failure. Liver abscesses confirmed by CT and US. Positive blood and Percutaneous drainage of Not specified Survived [NA] liver abscess abscess cultures. Fever, chills, abdominal Lee et al [7] 33/F Choriocarcinoma S/P dilatation and with liver curettage for vaginal metastases bleeding tenderness, leukocytosis, Cefamezine, anemia and elevated Alk Drainage gentamicin Survived [2 phos. Liver abscesses on CT attempted and years] scan and US. Positive blood metronidazole cultures. Fever, tachycardia, tachypnea, abdominal pain, Metastatic breast Thel et al[6] 39/F cancer (stage IV) S/P chemotherapy and including liver BMT metastases blood diarrhea and Percutaneous neutropenia. Abdominal CT drainage of showed two liver abscesses. liver abscess Positive blood cultures. Ceftazidime followed by Survived [2 imipenem and months] clindamycin Negative abscess cultures Fever, abdominal pain, Kahn et al[10] diarrhea, confusion, pleural Adenocarcinoma of 44/M colon with liver metastases NA effusion. Positive blood cultures. Polymicrobial infection of liver metastases. Surgical Penicillin G, drainage of clindamycin, abscess metronidazole Died of aspiration pneumonia 2 months later Fever, abdominal pain and Kolbeinsson et al[9] Adenocarcinoma of 57/M colon with liver tenderness, leukocytosis, Perforates sigmoid cancer metastases hypotension. Positive blood cultures. Polymicrobial liver Surgical drainage Penicillin G, Died due to gentamicin, relapse of clindamycin infection Not specified Survived [NA] abscess cultures. Sarmiento et al[14] Adenocarcinoma of 57/M Colon with hepatic metastasis Perforated transverse colon cancer Febrile, septic, abdominal pain and tenderness. Positive blood cultures. Surgical drainage Abbreviations Alk phos, alkaline phosphatase; BMT, bone marrow transplant; CRP, C - reactive protein; CT, computed tomography; F, female; LFTs, liver function tests; M, male; NA, not available; S/P, status post; US, ultrasound.