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This case emphasises the benefits of broad differential diagnoses that include multiple concurrent disease processes when confronted with unusual presentations. It highlights the need for interdisciplinary efforts and personalised approaches when managing patients with multiple primary malignancies.<\/jats:p>","DOI":"10.1136\/bcr-2024-260434","type":"journal-article","created":{"date-parts":[[2024,10,2]],"date-time":"2024-10-02T07:45:15Z","timestamp":1727855115000},"page":"e260434","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Synchronous presentation of recurrent intracranial solitary fibrous tumour and chronic myeloid leukaemia: a diagnostic challenge"],"prefix":"10.1136","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8072-2756","authenticated-orcid":false,"given":"Vikram","family":"Aggarwal","sequence":"first","affiliation":[{"name":"Internal Medicine, UT Southwestern Medical Center, Dallas, Texas, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Khush","family":"Kharidia","sequence":"additional","affiliation":[{"name":"UT Southwestern Medical Center, Dallas, Texas, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Han Wool","family":"Kim","sequence":"additional","affiliation":[{"name":"UT Southwestern Medical Center, Dallas, Texas, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eric","family":"Steen","sequence":"additional","affiliation":[{"name":"UT Southwestern Medical Center, Dallas, Texas, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2024,10,2]]},"reference":[{"key":"2025082708281891000_17.10.e260434.1","doi-asserted-by":"crossref","DOI":"10.1155\/2020\/2468320","article-title":"Hemangiopericytoma: Incidence, Treatment, and Prognosis Analysis Based on SEER Database","volume":"2020","author":"Wang","year":"2020","journal-title":"Biomed Res Int"},{"key":"2025082708281891000_17.10.e260434.2","doi-asserted-by":"crossref","unstructured":"STOUT AP . 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