{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,6]],"date-time":"2026-04-06T10:12:42Z","timestamp":1775470362693,"version":"3.50.1"},"reference-count":16,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2024,1,1]],"date-time":"2024-01-01T00:00:00Z","timestamp":1704067200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["SAGE Open Medical Case Reports"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:p> Five cases of non-neuronal granular cell tumours of the oral cavity are documented in the literature. Additionally, one case of a non-neuronal granular cell tumour with features of malignancy was described. A malignant granular cell tumour is a rare neoplasm and counterpart of a benign granular cell tumour. The cell of origin of the granular cell tumour was reported from the Schwann cell. Some granular cells originated from non-neural components and were negative for immunohistochemistry S100. Immunohistochemistry is required to confirm further and categorize ulcero-proliferative and erythematous polypoidal oral cavity lesions. These lesions can mimic squamous cell carcinoma, mucoepidermoid carcinoma and pyogenic granuloma in morphology. We are presenting a rare case of malignant granular cell tumour of non-neuronal origin on the floor of the mouth. To our knowledge, it is the first case of a malignant non-neuronal granular cell tumour. <\/jats:p>","DOI":"10.1177\/2050313x241302255","type":"journal-article","created":{"date-parts":[[2024,11,28]],"date-time":"2024-11-28T17:28:14Z","timestamp":1732814894000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Malignant granular cell tumour of floor of mouth (non-neural in origin) \u2013 A rare case report and review of literature"],"prefix":"10.1177","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8514-422X","authenticated-orcid":false,"given":"Anju","family":"Khairwa","sequence":"first","affiliation":[{"name":"Department of Pathology, University College of Medical Sciences, New Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nadeem","family":"Tanveer","sequence":"additional","affiliation":[{"name":"Department of Pathology, University College of Medical Sciences, New Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2024,11,28]]},"reference":[{"key":"bibr1-2050313X241302255","volume-title":"StatPearls","author":"Neelon D","year":"2023"},{"key":"bibr2-2050313X241302255","doi-asserted-by":"publisher","DOI":"10.1016\/j.anndiagpath.2010.01.005"},{"key":"bibr3-2050313X241302255","doi-asserted-by":"publisher","DOI":"10.1111\/cup.12926"},{"key":"bibr4-2050313X241302255","doi-asserted-by":"publisher","DOI":"10.1097\/01.pas.0000157294.55796.d3"},{"key":"bibr5-2050313X241302255","volume-title":"World Health Organization classification of tumours. 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