{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,5]],"date-time":"2026-11-05T22:18:58Z","timestamp":1793917138776,"version":"4.8.0"},"reference-count":39,"publisher":"Akademiai Kiado Zrt.","issue":"4","content-domain":{"domain":["akjournals.com"],"crossmark-restriction":true},"short-container-title":["AMicr"],"published-print":{"date-parts":[[2022,12,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:italic>Nocardia<\/jats:italic> species are rare causative agents of psoas abscess, more frequently occurring as part of disseminated infection. Only sporadic cases have been reported so far, with <jats:italic>Nocardia asteroides<\/jats:italic> and <jats:italic>Nocardia farcinica<\/jats:italic> being the most common causative agents<jats:italic>. Nocardia elegans<\/jats:italic> is an opportunistic pathogen, accounting for only 0.3\u20130.6% of infections caused by <jats:italic>Nocardia<\/jats:italic> species, usually affecting the respiratory tract.<\/jats:p><jats:p>In this study, a previously healthy 74-year-old man was admitted to the University Hospital of Heraklion with fever and intense pain radiating from the lumbar region to the groin and the left thigh, increasing with movement. Imaging findings revealed a large abscess in the left iliopsoas. Blood and pus aspirate cultures yielded a pure culture of <jats:italic>Nocardia<\/jats:italic> that was identified by 16S rRNA sequence as <jats:italic>N.\u00a0elegans<\/jats:italic>. The patient was successfully treated with drainage of the abscess along with administration of ceftriaxone, linezolid and trimethoprim-sulfamethoxazole. To our knowledge, this is the first report\u00a0of iliopsoas abscess caused by <jats:italic>N. elegans<\/jats:italic>. Early, accurate diagnosis and timely treatment with drainage of the abscess and long-term administration of antimicrobial agents optimize the outcome.<\/jats:p>","DOI":"10.1556\/030.2022.01868","type":"journal-article","created":{"date-parts":[[2022,10,3]],"date-time":"2022-10-03T11:59:41Z","timestamp":1664798381000},"page":"351-357","update-policy":"https:\/\/doi.org\/10.1556\/policypage.crossmark.crossref.2","source":"Crossref","is-referenced-by-count":6,"title":["Nocardia elegans primary iliopsoas abscess: A case report and literature review"],"prefix":"10.1556","volume":"69","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0945-1732","authenticated-orcid":true,"given":"Sofia","family":"Maraki","sequence":"first","affiliation":[{"name":"Department of Clinical Microbiology and Microbial Pathogenesis, University Hospital of Heraklion, 71500 Heaklion, Crete, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Viktoria Eirini","family":"Mavromanolaki","sequence":"additional","affiliation":[{"name":"University of Crete Medical School, 70013 Heraklion, Crete, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Efstathios E.","family":"Detorakis","sequence":"additional","affiliation":[{"name":"Department of Radiology, Section of Computed Tomography and Magnetic Resonance Imaging, University Hospital of Heraklion, 71500 Heraklion, Crete, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dimitra","family":"Stafylaki","sequence":"additional","affiliation":[{"name":"Department of Clinical Microbiology and Microbial Pathogenesis, University Hospital of Heraklion, 71500 Heaklion, Crete, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Panagiotis","family":"Moraitis","sequence":"additional","affiliation":[{"name":"Department of Clinical Microbiology and Microbial Pathogenesis, University Hospital of Heraklion, 71500 Heaklion, Crete, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Effie","family":"Scoulica","sequence":"additional","affiliation":[{"name":"Laboratory of Clinical Microbiology and Molecular Microbiology, School of Medicine, University of Crete, 70013 Heraklion, Crete, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"425","reference":[{"key":"B1","series-title":"Clin Microbiol Rev","first-page":"259","article-title":"Clinical and laboratory features of the Nocardia spp. based on current molecular taxonomy","volume":"19","author":"Brown-ElliottBA","year":"2006","unstructured":"Brown-ElliottBA, BrownJM, ConvillePS, WallaceRJ,Jr. Clinical and laboratory features of the Nocardia spp. based on current molecular taxonomy. 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