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Magnetic resonance imaging (MRI) of the brain revealed a large, well demarcated, inhomogeneous and contrast enhancing mass in the lateral ventricles with marked mass effect. Due to a poor clinical prognosis, the cat was euthanized. Histological examination identified the mass as a bilateral cholesterol granuloma in the choroid plexus of the lateral ventricles.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Although plexus cholesterol granulomas are rarely seen in cats, they should be considered as a differential diagnosis in elderly patients with neurological signs such as behavioral changes.<\/jats:p><\/jats:sec>","DOI":"10.1186\/s12917-022-03358-6","type":"journal-article","created":{"date-parts":[[2022,6,27]],"date-time":"2022-06-27T06:03:13Z","timestamp":1656309793000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Cholesterol granuloma in the choroid plexus of a cat"],"prefix":"10.1186","volume":"18","author":[{"given":"Rouven","family":"Wannemacher","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anna","family":"Knebel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Holger A.","family":"Volk","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6064-7728","authenticated-orcid":false,"given":"Florian","family":"Hansmann","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2022,6,27]]},"reference":[{"issue":"5","key":"3358_CR1","doi-asserted-by":"publisher","first-page":"384","DOI":"10.1111\/j.1740-8261.2005.00069.x","volume":"46","author":"GB Cherubini","year":"2005","unstructured":"Cherubini GB, Mantis P, Martinez TA, Lamb CR, Cappello R. 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