title: A very rare case of primary meningococcal arthritis in an adult male.
abstract: We report here a very rare case of primary meningococcal arthritis of the knee joint without clinical features associated with meningococcemia, meningitis, or meningococcal complications. The patient suffered from diabetes mellitus and had experienced two episodes of joint trauma. Intravenous infusion of ampicillin/sulbactam for 18 consecutive days was successful.
authors.affiliation: Department of Medical Laboratory, Kitasato University Hospital 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan ; Kitasato Institute for Life Sciences and Laboratory for Antimicrobial Agents, Kitasato University 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan.
authors.forename: Shin
authors.initials: S
authors.lastname: Nihonyanagi
authors.affiliation: Kitasato Institute for Life Sciences and Graduate School of Infection Control Sciences, Kitasato University 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan.
authors.forename: Keisuke
authors.initials: K
authors.lastname: Sunakawa
authors.affiliation: Kitasato Institute for Life Sciences and Laboratory for Antimicrobial Agents, Kitasato University 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan.
authors.forename: Longzhu
authors.initials: L
authors.lastname: Cui
authors.affiliation: Department of Endocrinology and Metabolism, Kitasato University School of Medicine 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan.
authors.forename: Tsuguto
authors.initials: T
authors.lastname: Masaki
authors.affiliation: Department of Rheumatology and Infectious Diseases, Kitasato University School of Medicine 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan.
authors.forename: Tatsuhiko
authors.initials: T
authors.lastname: Wada
authors.affiliation: Department of Rheumatology and Infectious Diseases, Kitasato University School of Medicine 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan.
authors.forename: Takayuki
authors.initials: T
authors.lastname: Hoshiyama
authors.affiliation: Kitasato Institute for Life Sciences and Laboratory for Antimicrobial Agents, Kitasato University 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan ; Department of Microbiology, Kitasato University School of Allied Health Sciences 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan.
authors.forename: Masaki
authors.initials: M
authors.lastname: Nakamura
authors.affiliation: Department of Infection Control and Prevention, Kitasato University Hospital 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan.
authors.forename: Yoko
authors.initials: Y
authors.lastname: Takayama
authors.affiliation: Department of Medical Laboratory, Kitasato University Hospital 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan ; Department of Laboratory Medicine, Kitasato University Hospital 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan.
authors.forename: Yuhsaku
authors.initials: Y
authors.lastname: Kanoh
authors.affiliation: Department of Endocrinology and Metabolism, Kitasato University School of Medicine 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan.
authors.forename: Akifumi
authors.initials: A
authors.lastname: Ogawa
authors.affiliation: Department of Endocrinology and Metabolism, Kitasato University School of Medicine 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan.
authors.forename: Masayoshi
authors.initials: M
authors.lastname: Shichiri
authors.affiliation: Kitasato Institute for Life Sciences and Laboratory for Antimicrobial Agents, Kitasato University 1-15-1 Kitasato, Sagamihara, Kanagawa, 252-0373, Japan.
authors.forename: Hideaki
authors.initials: H
authors.lastname: Hanaki
keywords: Arthritis; Neisseria meningitidis; diabetes; joint trauma; meningococcus