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Latent tuberculosis infection (LTBI) is characterized by the presence of immune sensitization to Mycobacterium tuberculosis (MTB) in the absence of any clinical or radiological evidence of active disease. We present a child with MIS-C related to COVID-19, with latent TB in the bone marrow, and satisfactory response to tocilizumab. It is important to pay attention in the investigation of TB cases in countries with a high prevalence of tuberculosis, especially when opting for immunusuppression.<\/jats:p>","DOI":"10.4081\/reumatismo.2021.1448","type":"journal-article","created":{"date-parts":[[2022,2,7]],"date-time":"2022-02-07T16:43:18Z","timestamp":1644252198000},"source":"Crossref","is-referenced-by-count":2,"title":["Multisystemic inflammatory syndrome related to COVID-19, with latent tuberculosis in bone marrow, and satisfactory response to tocilizumab, in a 7-year-old boy"],"prefix":"10.4081","volume":"73","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6438-446X","authenticated-orcid":false,"given":"Z.","family":"Morel","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Suarez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"E.","family":"Avalos","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Vel\u00e1zquez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F.","family":"Mart\u00ednez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"V.","family":"Lezcano","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N.","family":"Astigarraga","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C.","family":"Ghezzi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Brizuela","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G.","family":"Samudio","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2549","published-online":{"date-parts":[[2022,2,7]]},"reference":[{"key":"1157","unstructured":"OPS (Organizaci\u00f3n Panamericana de la Salud). 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Guidance: Paediatric multisystem inflammatory syndrome temporally associated with COVID-19. https:\/\/www.rcpch.ac.uk\/sites\/default\/files\/2020-05\/COVID-19-Paediatric-multisystem-%20inflammatory%20syndrome-20200501.pdf"},{"key":"1161","unstructured":"Centers for Disease Control and Prevention. Information for Healthcare Providers about Multisystem Inflammatory Syndrome in Children (MIS-C). Available from: https:\/\/www.cdc.gov\/mis\/hcp\/index.html"},{"key":"1162","doi-asserted-by":"crossref","unstructured":"Fern\u00e1ndez-Sarmiento J, De Souza D, Jabornisky R, et al. Paediatric inflammatory multisystem syndrome temporally associated with COVID-19 (PIMS-TS): a narrative review and the viewpoint of the Latin American Society of Pediatric Intensive Care (SLACIP) Sepsis Committee BMJ Paediatrics Open 2021;5:e000894.","DOI":"10.1136\/bmjpo-2020-000894"},{"key":"1163","doi-asserted-by":"crossref","unstructured":"Henderson LA, Canna SW, Friedman KG, et al. 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