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Seven months later, the tumour recurred as gliosarcoma, a rare variant of glioblastoma multiforme containing distinct gliomatous and sarcomatous components. In spite of treatment, the tumour progressed and eventually invaded into the right orbit. He subsequently developed a proptotic, blind, painful eye and was treated with retrobulbar chlorpromazine injection, which provided immediate symptomatic relief.<\/jats:p>","DOI":"10.1136\/bcr-2019-233394","type":"journal-article","created":{"date-parts":[[2020,6,10]],"date-time":"2020-06-10T06:05:13Z","timestamp":1591769113000},"page":"e233394","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":3,"title":["Retrobulbar chlorpromazine injection in a child with gliosarcoma invasion into the orbits"],"prefix":"10.1136","volume":"13","author":[{"given":"Franklin","family":"Jeng","sequence":"first","affiliation":[{"name":"Ophthalmology, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1612-3956","authenticated-orcid":false,"given":"Andrew","family":"Reynolds","sequence":"additional","affiliation":[{"name":"Ophthalmology, Ross Eye Institute, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2020,6,9]]},"reference":[{"key":"2025082800594603000_13.6.e233394.1","doi-asserted-by":"crossref","first-page":"75","DOI":"10.1016\/j.bjan.2012.12.009","article-title":"Treatment of patients with painful blind eye using stellate ganglion block","volume":"66","author":"Xavier","year":"2016","journal-title":"Braz J 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