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Given the findings described, a differential diagnosis between granulomatous meningoencephalitis and primary tumour or metastasis was proposed. Empirical treatment with tuberculostatic agents and corticosteroids was started. The neurological state of the patient worsened, she fell into a non-responsive coma and died in few days. The clinical autopsy performed revealed an adenoid cystic carcinoma with involvement of the central nervous system that developed leptomeningeal dissemination along the spinal cord in a fluid \u2018wash\u2019 pattern.<\/jats:p>","DOI":"10.1136\/bcr-2021-247155","type":"journal-article","created":{"date-parts":[[2021,12,31]],"date-time":"2021-12-31T05:25:36Z","timestamp":1640928336000},"page":"e247155","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Adenoid cystic carcinoma with a leptomeningeal dissemination in a \u2018wash\u2019 pattern"],"prefix":"10.1136","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4070-1181","authenticated-orcid":false,"given":"Juan Daniel","family":"Prieto Cuadra","sequence":"first","affiliation":[{"name":"Department of Pathology, Hospital Universitario Virgen de la Victoria, Malaga, Spain"},{"name":"Instituto de Investigaci\u00f3n Biom\u00e9dica de M\u00e1laga (IBIMA), 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