Case Presentation: Raoultella ornithinolytica, a close relative of the genus Klebsiella, is a rare, Gram-negative bacterium known to cause biliary, pulmonary, and urinary tract infections in elderly or immunocompromised hosts. This case illustrates an unexpected discovery of Raoutella ornithinolytica bacteremia in a 20-year-old immunocompetent male with an underlying congenital condition called Caroli disease.A 20-year-old male [...]