Pyogenic liver abscess causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Yamuna Kondapally, M.B.B.S[2]

Causes

• Common causes of pyogenic liver abscess include:

Pyogenic liver abscess

Causes

Hepatobiliary

Portal

Arterial

Traumatic

Cryptogenic

Benign

Malignant

Benign

Malignant

• Endocarditis • Vascular sepsis • Dental infection • ENT infection

Benign

Malignant

• Lithiasis • Cholicystitis • Biliary enteric anastomosis • Percutaneous biliary procedures • Endoscopic biliary procedures

• Gall bladder • Common bile duct • Head of pancreas • Ampulla

• Appendicitis • Diverticulitis • Pelvic suppuration • Anorectal suppuration • Pancreatic abscess • Postoperative sepsis • Intestinal perforation • Inflammatory bowel disease

• Gastric cancer • Colon cancer

• Open or closed abdominal trauma

• Percutaneous ethanol injection or radiofrequency • Chemoembolization

• The causative organisms of pyogenic liver abscess include:

Pyogenic liver abscess

Bacteria

Gram-positive aerobes

Gram-negative enterics

Anaerobic organisms

Acid fast bacilli

Streptococcus sp Staphylococcus aureus / Staphylococcus epidermidis Actinomyces sp Enterococcus sp Streptococcus milleri

Escherichia coli Salmonella typhi Yersinia enterocolitica K.pneumonia Pseudomonas sp Proteus sp Eikenella corrodens Others

Bacteroids sp Fusobacterium Anaerobic/ Microaerophilic streptococci Other anaerobes

Mycobacterium tuberculosis