Klebsiella granulomatis (Granuloma inguinale, Donovanosis)

Klebsiella granulomatis (Granuloma inguinale, Donovanosis) is a topic covered in the Johns Hopkins ABX Guide.

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MICROBIOLOGY

  • Klebsiella granulomatis (formerly known as Calymmatobacterium granulomatis) is a member of the family Enterobacteriaceae.
    • Reclassification is based upon nucleotide relatedness to other Klebsiella spp. especially to K. rhinoscleromatis, another tropical infection (nasal).
      • Pleomorphic, intracellular (macrophages > neutrophils), Gram-negative bacillus surrounded by a well-defined bipolar staining capsule (seen with Wright, Giemsa or Leishman stain)
      • Organism has safety-pin appearance with stain under microscopy.
  • Organism difficult to demonstrate microbiologically because it does not grow on any standard microbiological laboratory media.
  • Culture achieved in the research settings using peripheral blood mononuclear cells cultivated with fetal calf serum after exposure to vancomycin and metronidazole for decontamination.
    • Culture also has been successful on cyclohexamide-treated Hep-2 cell monolayers in RPMI 1640 medium, supplemented with fetal calf serum, penicillin, and vancomycin.

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Last updated: April 5, 2017

Citation

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TY - ELEC T1 - Klebsiella granulomatis (Granuloma inguinale, Donovanosis) ID - 540301 A1 - Hynes,Noreen,M.D., M.P.H., D.T.M.&H. Y1 - 2017/04/05/ BT - Johns Hopkins ABX Guide UR - https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540301/all/Klebsiella_granulomatis__Granuloma_inguinale__Donovanosis_ PB - The Johns Hopkins University DB - Pediatrics Central DP - Unbound Medicine ER -