title: A case of retropharyngeal abscess caused by penicillin-resistant Streptococcus pneumoniae.
abstract: We report here a case of a 1-year-old girl with retropharyngeal abscess caused by penicillin-resistant Streptococcus pneumoniae (PRSP). Computed tomography disclosed a retropharyngeal mass lesion (4 cm x 3 cm in diameter), and the diagnosis was confirmed by needle aspiration of the retropharyngeal space, which yielded PRSP. To our knowledge, this is the first report of a young subject in whom retropharyngeal abscess was caused by this organism. Retropharyngeal abscess is most common in children younger than 3 or 4 years of age, during which period a high carriage rate of PRSP is also shown. This patient was successfully treated with panipenem/betamipron.
authors.affiliation: Department of Pediatrics, Kobe City General Hospital, Japan. kenichiro_kobayashi@medical.general.hp.city.kobe.jp
authors.forename: K-I
authors.initials: KI
authors.lastname: Kobayashi
authors.forename: T
authors.initials: T
authors.lastname: Haruta
authors.forename: M
authors.initials: M
authors.lastname: Kubota
authors.forename: T
authors.initials: T
authors.lastname: Nishio
mesh_terms: D000038:Abscess / Q000188:drug therapy / Q000382:microbiology*; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D001707:Biopsy, Needle; D004359:Drug Therapy, Combination / Q000627:therapeutic use; D005260:Female; D006801:Humans; D007223:Infant; D007769:Lactams; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology; D010614:Pharynx / Q000382:microbiology; D011008:Pneumococcal Infections / Q000175:diagnosis* / Q000188:drug therapy; D013296:Streptococcus pneumoniae / Q000187:drug effects / Q000302:isolation & purification*; D013845:Thienamycins / Q000627:therapeutic use; D015091:beta-Alanine / Q000031:analogs & derivatives / Q000627:therapeutic use; D047090:beta-Lactams
chemical_list: D000900:Anti-Bacterial Agents; D007769:Lactams; D010406:Penicillins; D013845:Thienamycins; D047090:beta-Lactams; D015091:beta-Alanine; C075316:panipenem-betamipron; C107057:fropenem