%0 Journal Article %T Systemic Bartonella henselae Infection in Immunocompetent Adult Presenting as Fever of Unknown Origin %A Thierry Zenone %J Case Reports in Medicine %D 2011 %I Hindawi Publishing Corporation %R 10.1155/2011/183937 %X Systemic clinical presentations of infection caused by Bartonella henselae are rare in immunocompetent adults. We report four cases with hepatic and/or splenic involvement, presenting as fever of unknown origin. We discuss diagnosis and treatment of this infection. Bartonella henselae serology allows an easy diagnosis of hepatosplenic involvement in cat scratch disease, a clinical picture that appears to be underrecognized. %U http://www.hindawi.com/crim/medicine/2011/183937/