{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T16:08:06Z","timestamp":1773850086445,"version":"3.50.1"},"reference-count":37,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2024,12,2]],"date-time":"2024-12-02T00:00:00Z","timestamp":1733097600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2024,12,2]],"date-time":"2024-12-02T00:00:00Z","timestamp":1733097600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Ital J Pediatr"],"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Background<\/jats:title>\n                <jats:p>Nocardiosis is an opportunistic infection that has a low prevalence rate, its clinical manifestations are atypical and can be easily misdiagnosed as other diseases. The correct diagnosis and treatment are frequently delayed by various factors. In this case report, we present a pediatric patient with Neuromyelitis Optica Spectrum Disorders who developed Nocardia farcinica pneumonia complicated by pneumocystis jiroveci infection.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Case presentation<\/jats:title>\n                <jats:p>An 8-year-old girl with chest pain and cough was admitted to the hospital. She suffered from Neuromyelitis Optica Spectrum Disorders and had been taking methylprednisolone and tacrolimus orally for 3 years. She was admitted to the hospital for tests and was diagnosed with acute pneumonia. Despite empiric antibiotic treatment, her condition gradually worsened. Respiratory distress developed, and she needed to use a ventilator for breathing. The symptoms she exhibited led us to suspect the presence of a tumor. Etiological tests later confirmed the co-infection of Nocardia farcinica and Pneumocystis jiroveci. After treatment, the child\u2019s lung infection eventually resolved.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>The Nocardia bacteria and Pneumocystis jiroveci are widely distributed in the environment, possess the capability of systemic dissemination, and exhibit significant resistance to specific treatments. Invasive sampling is frequently necessary for confirming their presence. Timely and accurate diagnosis as well as treatment play a crucial role in patient survival.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s13052-024-01827-2","type":"journal-article","created":{"date-parts":[[2024,12,2]],"date-time":"2024-12-02T01:23:36Z","timestamp":1733102616000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Nocardia farcinica pneumonia complicated by pneumocystis jiroveci infection in children with Neuromyelitis Optica Spectrum Disorders: a case report and literature review"],"prefix":"10.1186","volume":"50","author":[{"given":"LingLing","family":"Liu","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuan","family":"Huang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"SaiNan","family":"Shu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hua","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Feng","family":"Fang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xinglou","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,12,2]]},"reference":[{"issue":"6","key":"1827_CR1","doi-asserted-by":"publisher","first-page":"514","DOI":"10.1159\/000508717","volume":"29","author":"SD Duggal","year":"2020","unstructured":"Duggal SD, Chugh TD. 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