{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,28]],"date-time":"2025-08-28T12:34:09Z","timestamp":1756384449270,"version":"3.44.0"},"reference-count":5,"publisher":"BMJ","issue":"9","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2020,9,9]]},"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:p>Primary leptomeningeal lymphomatosis is a rare disease with only a few hundred cases reported. We present a patient with a relatively short history of 25 days of headache followed by diplopia who was found to have primary leptomeningeal T-cell lymphoma without evidence of systemic lymphoma. The patient responded well to chemotherapy along with intrathecal medication and cranial irradiation and returned to a completely normal state of health. Not all chronic meningitis is due to infection or self-limiting inflammatory causes. It is important to consider lymphoma as a differential even in the absence of constitutional features such as loss of weight, appetite, night sweats, lymphadenopathy or hepatosplenomegaly. T-cell lymphoma with only Central Nervous system (CNS) involvement is a rare cause of chronic meningitis, which is eminently amenable to treatment and is fatal if missed.<\/jats:p>","DOI":"10.1136\/bcr-2020-236491","type":"journal-article","created":{"date-parts":[[2020,9,21]],"date-time":"2020-09-21T17:30:49Z","timestamp":1600709449000},"page":"e236491","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":5,"title":["Primary leptomeningeal T-cell lymphoblastic lymphoma: a rare cause of chronic meningitis"],"prefix":"10.1136","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0128-7037","authenticated-orcid":false,"given":"Arunmozhimaran","family":"Elavarasi","sequence":"first","affiliation":[{"name":"Neurology, All India Institute of Medical Sciences, New Delhi, Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rohit","family":"Bhatia","sequence":"additional","affiliation":[{"name":"Neurology, All India Institute of Medical Sciences, New Delhi, Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sudheer","family":"Arava","sequence":"additional","affiliation":[{"name":"Pathology, All India Institute of Medical Sciences, New Delhi, Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lalit","family":"Kumar","sequence":"additional","affiliation":[{"name":"Medical Oncology, All India Institute of Medical Sciences, New Delhi, Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2020,9,21]]},"reference":[{"key":"2025082703252448000_13.9.e236491.1","doi-asserted-by":"crossref","first-page":"e19","DOI":"10.3129\/i09-063","article-title":"Primary leptomeningeal lymphoma masquerading as pseudotumor cerebri","volume":"44","author":"Manusow","year":"2009","journal-title":"Can J Ophthalmol"},{"key":"2025082703252448000_13.9.e236491.2","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.41.1.95"},{"key":"2025082703252448000_13.9.e236491.3","doi-asserted-by":"publisher","DOI":"10.1212\/01.wnl.0000435302.02895.f3"},{"key":"2025082703252448000_13.9.e236491.4","doi-asserted-by":"crossref","first-page":"1125","DOI":"10.1002\/1097-0142(19830315)51:6<1125::AID-CNCR2820510625>3.0.CO;2-U","article-title":"Primary leptomeningeal presentation of T-cell lymphoma. Report of a patient and review of the literature","volume":"51","author":"Marsh","year":"1983","journal-title":"Cancer"},{"key":"2025082703252448000_13.9.e236491.5","doi-asserted-by":"crossref","first-page":"e11","DOI":"10.1111\/j.1600-0404.2011.01630.x","article-title":"Isolated leptomeningeal infiltration of a primary CNS B-cell lymphoma diagnosed by flow cytometry and confirmed by necropsy","volume":"126","author":"Broussalis","year":"2012","journal-title":"Acta Neurol Scand"}],"container-title":["BMJ Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bcr-2020-236491","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,27]],"date-time":"2025-08-27T10:25:31Z","timestamp":1756290331000},"score":1,"resource":{"primary":{"URL":"https:\/\/casereports.bmj.com\/lookup\/doi\/10.1136\/bcr-2020-236491"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,9]]},"references-count":5,"journal-issue":{"issue":"9","published-online":{"date-parts":[[2020,9,21]]},"published-print":{"date-parts":[[2020,9]]}},"alternative-id":["10.1136\/bcr-2020-236491"],"URL":"https:\/\/doi.org\/10.1136\/bcr-2020-236491","relation":{},"ISSN":["1757-790X"],"issn-type":[{"type":"electronic","value":"1757-790X"}],"subject":[],"published":{"date-parts":[[2020,9]]}}}