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The patient presented to the hospital twice during the investigation and was treated for a lower respiratory tract infection. The MRI report showed an interventricular mass lesion extending to the right ventricular free wall with angiosarcoma being high up in the differential diagnosis. Going through the heart team discussion, the decision was to go for a transcatheter biopsy. The biopsy showed B-cell lymphoma. The treatment started and interestingly with satisfactory results.<\/jats:p>","DOI":"10.1136\/bcr-2023-257882","type":"journal-article","created":{"date-parts":[[2024,3,15]],"date-time":"2024-03-15T11:00:29Z","timestamp":1710500429000},"page":"e257882","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Interesting case of regional left ventricular hypertrophy"],"prefix":"10.1136","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7229-1666","authenticated-orcid":false,"given":"Ahmad","family":"Elsaid","sequence":"first","affiliation":[{"name":"Cardiology, Tameside and Glossop Integrated Care NHS Foundation Trust, Ashton-under-Lyne, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robin","family":"Egdell","sequence":"additional","affiliation":[{"name":"East Cheshire NHS Trust, Macclesfield, Cheshire East, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vikram","family":"Singh","sequence":"additional","affiliation":[{"name":"East Cheshire NHS Trust, Macclesfield, Cheshire East, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stuart","family":"Russell","sequence":"additional","affiliation":[{"name":"East Cheshire NHS Trust, Macclesfield, Cheshire East, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2024,3,15]]},"reference":[{"key":"2025082706520608000_17.3.e257882.1","doi-asserted-by":"crossref","first-page":"37","DOI":"10.2459\/JCM.0000000000000059","article-title":"Incidence rate of primary cardiac tumors: a 14-year population study","volume":"17","author":"Cresti","year":"2016","journal-title":"J Cardiovasc Med (Hagerstown)"},{"key":"2025082706520608000_17.3.e257882.2","doi-asserted-by":"crossref","first-page":"178","DOI":"10.1016\/j.ijsu.2020.02.039","article-title":"Cardiac tumors prevalence and mortality: a systematic review and meta-analysis","volume":"76","author":"Rahouma","year":"2020","journal-title":"Int J Surg"},{"key":"2025082706520608000_17.3.e257882.3","doi-asserted-by":"crossref","first-page":"408","DOI":"10.1016\/j.tcm.2021.08.010","article-title":"The role of cardiac CT and MRI in the diagnosis and management of primary cardiac lymphoma: a comprehensive review","volume":"32","author":"Asadian","year":"2022","journal-title":"Trends Cardiovasc Med"},{"key":"2025082706520608000_17.3.e257882.4","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2003.09.065"},{"key":"2025082706520608000_17.3.e257882.5","unstructured":"Obinutuzumab for untreated advanced follicular lymphoma. n.d. 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