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He was started on broad-spectrum antibiotics and underwent irrigation and synovectomy of the left knee. Aspirate and blood cultures grew <jats:italic>Streptococcus agalactiae<\/jats:italic>. Transthoracic echocardiogram showed no vegetations; however, an MRI of lumbar spine showed L2\u2013L3 and L4\u2013L5 osteomyelitis. He was treated with intravenous ceftriaxone for 3 weeks and then oral levofloxacin for 3 weeks, for a total 6 week course of antibiotics.<\/jats:p>","DOI":"10.1136\/bcr-2022-249337","type":"journal-article","created":{"date-parts":[[2022,4,19]],"date-time":"2022-04-19T12:05:15Z","timestamp":1650369915000},"page":"e249337","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Lumbar osteomyelitis and knee septic arthritis caused by <i>Streptococcus agalactiae<\/i> bacteraemia"],"prefix":"10.1136","volume":"15","author":[{"given":"Lauren","family":"Gaffaney","sequence":"first","affiliation":[{"name":"Department of Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maxwell","family":"McKee-Proctor","sequence":"additional","affiliation":[{"name":"Department of Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7188-9738","authenticated-orcid":false,"given":"Ho-Man","family":"Yeung","sequence":"additional","affiliation":[{"name":"Department of Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2022,4,19]]},"reference":[{"key":"2025082713175976000_15.4.e249337.1","unstructured":"Hanna M , Noor A . 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