[Liver abscess syndrome with lung involvement secondary to hypermucoviscosity Klebsiella pneumoniae].

Klebsiella pneumoniae liver abscess syndrome (KLAS) is an emerging infection characterized by primary monomicrobial liver abscess, bacteremia and metastatic complications. KLAS is endemic in Taiwan but additional cases has also been described in other world regions. It’s caused by strains of K. pneumonia serotype K1, rmpA, magA positive, displaying hypermucoviscosity. We present the case of a previously healthy 69 years old patient who developed fever, liver abscess,septic shock, bacteremia, and pneumonia. In cultures grew hypermucoviscous phenotype of K. pneumonia characterized by positive “string test”. The patient responded favourably to antibiotic therapy with ceftriaxone, meropenem, amykacin and percutaneous drainage of the abscess. Increased awareness about this globally emerging infection by physicians could allow earlier detection and optimal treatment.