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Correspondence |

Spontaneous Citrobacter freundii Infection in an Immunocompetent Patient

Jason G. Whalen, MD; Thaddeus W. Mully, MD; Joseph C. English III, MD
Arch Dermatol. 2007;143(1):115-126. doi:10.1001/archderm.143.1.124.
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Lipsky  BAHook  EW  IIISmith  AAPlorde  JJ Citrobacter infections in humans: experience at the Seattle Veterans Administration Medical Center and a review of the literature. Rev Infect Dis 1980;2746- 760
PubMed Link to Article[[XSLOpenURL/10.1093/clinids/2.5.746]]
Nada  TBaba  HKawamura  KOhkura  TTorii  KOhta  M A small outbreak of third generation cephem-resistant Citrobacter freundii infection on a surgical ward. Jpn J Infect Dis 2004;57181- 182
Reich  HLWilliams Fadeyi  DNaik  NSHonig  PJYan  AC Nonpseudomonal ecthyma gangrenosum. J Am Acad Dermatol 2004;50S114- S117
PubMed Link to Article[[XSLOpenURL/10.1016/j.jaad.2003.09.019]]
Majtan  VHostacka  ABartkova  GMarkovic  JKarolcek  J Toxic exoproducts of Citrobacter freundiiJ Hyg Epidemiol Microbiol Immunol 1985;29427- 434
Barlow  MHall  BG Origin and evolution of the AmpC beta-lactamases of Citrobacter freundiiAntimicrob Agents Chemother 2002;461190- 1198
PubMed Link to Article[[XSLOpenURL/10.1128/AAC.46.5.1190-1198.2002]]
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Figure 1. The lesion shows a rimmed, erythematous plaque with ulceration and central caseation.

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Figure 2. Hematoxylin-eosin staining reveals a diffuse neutrophilic infiltrate in the dermis and subcutaneous layer as well as minimal karyorrhexis and fibrin deposition in small blood vessel walls (original magnification ×200).

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