Pan et al. Journal of Medical Case Reports 2011, 5:377 http://www.jmedicalcasereports.com/content/5/1/377 Authors’ contributions WP collected the patient data and was a major contributor in writing the manuscript. ZZ and MD performed CT-guided lung biopsy and the histological examination of the lung. All authors read and approved the final manuscript. Competing interests The authors declare that they have no competing interests. Received: 14 April 2010 Accepted: 15 August 2011 Published: 15 August 2011 References 1. Ralston E, Palleroni NJ, Doudoroff M: Pseudomonas pickettii, a new species of clinical origin related to Pseudomonas solanacearum. Int J Syst Bacteriol 1973, 23:15-19. 2. Yabuuchi E, Kosako Y, Yano I, Hotta H, Nishiuchi Y: Transfer of two Burkholderia and an Alcaligenes species to Ralstonia gen. nov.: proposal of Ralstonia pickettii (Ralston, Palleroni and Doudoroff 1973) comb. nov., Ralstonia solanacearum (Smith 1896) comb.nov. and Ralstonia eutropha (Davis 1969) comb.nov. Microbiol Immunol 1995, 39:897-904. 3. Ryan MP, Pembroke JT, Adley CC: Ralstonia pickettii: a persistent Gram- negative nosocomial infectious organism. J Hosp Infect 2006, 62:278-284. 4. Moreira BM, Leobons MB, Pellegrino FL, Santos M, Teixeira LM, de Andrade Marques E, Sampaio JL, Pessoa-Silva CL: Ralstonia pickettii and Burkholderia cepacia complex bloodstream infections related to infusion of contaminated water for injection. J Hosp Infect 2005, 60:51-55. 5. Labarca JA, Sader HS, Peterson CL, Carson LA, Holt SC, Arduino MJ, Meylan M, Mascola L, Jarvis WR: A multistate nosocomial outbreak of Ralstonia pickettii colonization associated with an intrinsically contaminated respiratory care solution. Clin Infect Dis 1999, 29:1281-1286. 6. McNeil MM, Solomon SL, Anderson RL, Davis BJ, Spengler RF, Reisberg BE, Thornsberry C, Martone WJ: Nosocomial Pseudomonas pickettii colonization associated with a contaminated respiratory therapy solution in a special care nursey. J Clin Microbiol 1985, 22:903-907. 7. Yoneyama A, Yano H, Hitomi S, Okuzumi K, Suzuki R, Kimura S: Ralstonia pickettii colonization of patients in an obstetric ward caused by a contaminated irrigation system. J Hosp Infect 2000, 46:79-80. 8. Wills TS, Lopez J, Billington AR: Empyema Caused by Ralstonia pickettii in a Hemodialysis Patient. Clin Microbiol Newsletter 2007, 29:55-56. 9. Clinical and Laboratory Standards Institute: Performance Standards for Antimicrobial Susceptibility Testing; Eighteenth Informational Supplement Wayne, PA; 2007, (ISBN 1-56238-625-5). 10. Kismet E, Atay AA, Demirkaya E, Aydin HI, Aydogan H, Koseoglu V, Gokcay E: Two cases of Ralstonia pickettii bacteremias in a pediatric oncology unit requiring removal of the Port-A-Caths. J Pediatr Hematol Oncol 2005, 27:37-38. 11. Kimura AC, Calvet H, Higa JI, Pitt H, Frank C, Padilla G, Arduino M, Vugia DJ: Outbreak of Ralstonia pickettii Bacteremia in a Neonatal Intensive Care Unit. Pediatr Infect Dis J 2005, 24:1099-1103. 12. Girlich D, Naas T, Nordmann P: OXA-60, a chromosomal, inducible, and imipenem-hydrolyzing class D β-lactamase from Ralstonia pickettii. Antimicrob Agents Chemother 2004, 48:4217-4225. 13. Nordmann P, Poirel L, Kubina M, Casetta A, Naas T: Biochemical-genetic characterization and distribution of OXA-22, a chromosomal and inducible class D β-lactamase from Ralstonia (Pseudomonas) pickettii. Antimicrob Agents Chemother 2000, 44:2201-2204. 14. Sader HS, Jones RN: Antimicrobial susceptibility of uncommonly isolated non-enteric gram-negative bacilli. Int J Antimicrob Agents 2005, 25:95-109. 15. Gales AC, Jones RN, Andrade SS, Sader HS: Antimicrobial susceptibility patterns of unusual nonfermentative gram-negative bacilli isolated from Latin American: report from the SENTRY Antimicrobial Surveillance Program (1997-2002). Mem Inst Oswaldo Cruz, Rio de Janeiro 2005, 100:671-677. doi:10.1186/1752-1947-5-377 Cite this article as: Pan et al.: Lobar pneumonia caused by Ralstonia pickettii in a sixty-five-year-old Han Chinese man: a case report. Journal of Medical Case Reports 2011 5:377. Page 4 of 4 Submit your next manuscript to BioMed Central and take full advantage of: • Convenient online submission • Thorough peer review • No space constraints or color ﬁgure charges • Immediate publication on acceptance • Inclusion in PubMed, CAS, Scopus and Google Scholar • Research which is freely available for redistribution Submit your manuscript at www.biomedcentral.com/submit