{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,7]],"date-time":"2026-01-07T18:52:57Z","timestamp":1767811977579,"version":"3.49.0"},"reference-count":15,"publisher":"BMJ","issue":"1","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2025,12,11]]},"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:p>\n                    Disseminated\n                    <jats:italic>Mycobacterium kansasii<\/jats:italic>\n                    infection and Kikuchi-Fujimoto disease (KFD) are rare and diagnostically challenging conditions, especially when they occur together. They present with similar symptoms such as lymphadenopathy, prolonged fever and weight loss, which often lead to misdiagnoses. This case report describes the uncommon co-occurrence of disseminated\n                    <jats:italic>M. kansasii<\/jats:italic>\n                    infection and KFD in a young female patient who experienced a prolonged, intermittent high-grade fever, weight loss and lymphadenopathy. A lymph node biopsy showed features typical of KFD, while mycobacterial culture detected\n                    <jats:italic>M. kansasii<\/jats:italic>\n                    . She responded well to tailored non-tuberculous mycobacterial therapy, with clinical and radiological improvement. This case underscores the need to consider concurrent infections in patients presenting with KFD-like symptoms. It also contributes to the small body of literature on the co-occurrence of these two conditions.\n                  <\/jats:p>","DOI":"10.1136\/bcr-2025-268631","type":"journal-article","created":{"date-parts":[[2026,1,7]],"date-time":"2026-01-07T12:45:37Z","timestamp":1767789937000},"page":"e268631","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Co-occurrence of disseminated\n                    <i>Mycobacterium kansasii<\/i>\n                    infection and Kikuchi-Fujimoto disease in an immunocompetent patient"],"prefix":"10.1136","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-6450-982X","authenticated-orcid":false,"given":"Vignesh Kumar","family":"Kathiresan","sequence":"first","affiliation":[{"name":"Pulmonary Medicine, Christian Medical College Vellore, Ranipet, Tamil Nadu, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"V S Aswith Chowdary","family":"Jonnalagadda","sequence":"additional","affiliation":[{"name":"Pulmonary Medicine, Christian Medical College Vellore, Ranipet, Tamil Nadu, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Barney Thomas","family":"Isaac","sequence":"additional","affiliation":[{"name":"Pulmonary Medicine, Christian Medical College Vellore, Ranipet, Tamil Nadu, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elanthenral","family":"Sigamani","sequence":"additional","affiliation":[{"name":"Pathology, Christian Medical College Vellore, Ranipet, Tamil Nadu, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2026,1,7]]},"reference":[{"key":"2026010704453113000_19.1.e268631.1","doi-asserted-by":"publisher","DOI":"10.1097\/00000478-199403000-00001"},{"key":"2026010704453113000_19.1.e268631.2","doi-asserted-by":"publisher","DOI":"10.1309\/YF081L4TKYWVYVPQ"},{"key":"2026010704453113000_19.1.e268631.3","article-title":"The Association of Mycobacterium tuberculosis with Kikuchi Syndrome: A Case Report and Literature Review","volume":"15","author":"Tewoldemedhin","year":"2023","journal-title":"Cureus"},{"key":"2026010704453113000_19.1.e268631.4","article-title":"Kikuchi-fujimoto disease: a case report and literature review","volume":"2012","author":"Veer","year":"2012","journal-title":"Case Rep Otolaryngol"},{"key":"2026010704453113000_19.1.e268631.5","first-page":"292","article-title":"An ultrastructural study of subacute necrotizing lymphadenitis","volume":"107","author":"Imamura","year":"1982","journal-title":"Am J Pathol"},{"key":"2026010704453113000_19.1.e268631.6","doi-asserted-by":"publisher","DOI":"10.1034\/j.1399-0039.1999.540305.x"},{"key":"2026010704453113000_19.1.e268631.7","doi-asserted-by":"crossref","first-page":"299","DOI":"10.1016\/j.jmii.2019.08.016","article-title":"Distribution of lymphadenopathy in patients with Kikuchi disease","volume":"54","author":"Chen","year":"2021","journal-title":"Journal of Microbiology, Immunology and Infection"},{"key":"2026010704453113000_19.1.e268631.8","doi-asserted-by":"crossref","first-page":"147","DOI":"10.4103\/0974-777X.145234","article-title":"Kikuchi-fujimoto disease: clinical and laboratory characteristics and outcome","volume":"6","author":"Rakesh","year":"2014","journal-title":"J Glob Infect Dis"},{"key":"2026010704453113000_19.1.e268631.9","doi-asserted-by":"crossref","first-page":"1341","DOI":"10.5858\/arpa.2018-0219-RA","article-title":"Kikuchi-Fujimoto Disease: A Review","volume":"142","author":"Perry","year":"2018","journal-title":"Arch Pathol Lab Med"},{"key":"2026010704453113000_19.1.e268631.10","doi-asserted-by":"crossref","first-page":"3664","DOI":"10.12998\/wjcc.v11.i16.3664","article-title":"Kikuchi-Fujimoto disease: A comprehensive review","volume":"11","author":"Mahajan","year":"2023","journal-title":"World J Clin Cases"},{"key":"2026010704453113000_19.1.e268631.11","doi-asserted-by":"crossref","unstructured":"Nayak HK , Mohanty PK , Mallick S , et al . Diagnostic dilemma: Kikuchi\u2019s disease or tuberculosis? BMJ Case Rep 2013. doi:10.1136\/bcr-2012-008026","DOI":"10.1136\/bcr-2012-008026"},{"key":"2026010704453113000_19.1.e268631.12","doi-asserted-by":"crossref","first-page":"260","DOI":"10.1055\/s-0037-1608923","article-title":"Kikuchi\u2013Fujimoto\u2019s Disease in a Pediatric Patient with Mycobacterium tuberculosis Infection","volume":"14","author":"Alali","year":"2019","journal-title":"J Pediatr Infect Dis"},{"key":"2026010704453113000_19.1.e268631.13","first-page":"537","article-title":"Mycobacterium szulgai lymphadenitis mimicking Kikuchi\u2019s disease in Thailand","volume":"32","author":"Maek-a-nantawat","year":"2001","journal-title":"Southeast Asian J Trop Med Public Health"},{"key":"2026010704453113000_19.1.e268631.14","doi-asserted-by":"publisher","DOI":"10.3346\/jkms.2010.25.2.304"},{"key":"2026010704453113000_19.1.e268631.15","first-page":"987","article-title":"Kikuchi-Fujimoto Diseasae: An Important Differential of Tuberculous Lymphadenitis","volume":"30","author":"Sultan","year":"2020","journal-title":"J Coll Physicians Surg Pak"}],"container-title":["BMJ Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bcr-2025-268631","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,1,7]],"date-time":"2026-01-07T12:45:38Z","timestamp":1767789938000},"score":1,"resource":{"primary":{"URL":"https:\/\/casereports.bmj.com\/lookup\/doi\/10.1136\/bcr-2025-268631"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,1]]},"references-count":15,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2026,1,7]]},"published-print":{"date-parts":[[2026,1]]}},"alternative-id":["10.1136\/bcr-2025-268631"],"URL":"https:\/\/doi.org\/10.1136\/bcr-2025-268631","relation":{},"ISSN":["1757-790X"],"issn-type":[{"value":"1757-790X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,1]]}}}