{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,22]],"date-time":"2025-10-22T10:25:50Z","timestamp":1761128750839},"reference-count":19,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1999,8]]},"abstract":"<jats:p content-type=\"fine-print\">\u2713 This 63-year-old man presented with complaints of \u201chaving a feeling of falling backward\u201d over a 3-month period. Results of his general physical examination, laboratory studies, and neurological examination were unremarkable. A magnetic resonance image revealed a 1.8 \u00d7 1.4 \u00d7 1.2\u2014cm enhancing mass in the posterior third ventricle just above the corpora quadrigemina. The pineal gland was found to be diffusely enlarged at operation and separable from the posterior thalamus and was totally resected. The patient had an uneventful postoperative course but continues to be somewhat confused. The lesion consisted of a remarkable chronic inflammatory cell infiltrate permeating the pineal lobules and was composed of T and B lymphocytes, macrophages, eosinophils, and mast cells. Immunoperoxidase studies did not demonstrate Langerhans cells, and a search for microorganisms was unrevealing. There was no evidence of neoplasia; results of immunostaining for germ cell markers and other tumor-associated antigens were negative.<\/jats:p>","DOI":"10.3171\/jns.1999.91.2.0330","type":"journal-article","created":{"date-parts":[[2009,5,13]],"date-time":"2009-05-13T17:20:59Z","timestamp":1242235259000},"page":"330-334","source":"Crossref","is-referenced-by-count":4,"title":["Idiopathic pinealitis"],"prefix":"10.3171","volume":"91","author":[{"given":"Demetrios C.","family":"Nikas","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Umberto","family":"De Girolami","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amir A.","family":"Zamani","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Geraldine S.","family":"Pinkus","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lorenzo","family":"Bello","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matthias","family":"Kirsch","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter McL.","family":"Black","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"key":"b1","series-title":"Arch Histol Jpn","doi-asserted-by":"publisher","first-page":"263","DOI":"10.1679\/aohc1950.33.263","article-title":"Lymphoid tissue in the pineal region of the mouse: a histological and histometrical study.","volume":"33","author":"Abe","year":"1971"},{"key":"b2","series-title":"Acta Neurochir","doi-asserted-by":"publisher","first-page":"130","DOI":"10.1007\/BF01417679","article-title":"Surgical management of pineal region tumors.","volume":"134","author":"Bruce","year":"1995"},{"key":"b3","series-title":"Basic Appl Histochem","first-page":"81","article-title":"The pineal gland of the horse. 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