{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,1]],"date-time":"2025-11-01T17:16:25Z","timestamp":1762017385278},"reference-count":18,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2005,6]]},"abstract":"<jats:p content-type=\"fine-print\">\u2713 The authors present two cases in which enlarged Virchow\u2014Robin spaces were located in the basal ganglia and the thalamomesencephalic region. The incidence of such huge cystic lesions is extremely rare. The expanding nature of these lesions, demonstrated by the patients' progressive symptoms due to compression of the adjacent brain parenchyma and obstructive hydrocephalus, mimicked that of brain tumors. The two patients were successfully treated by neuroendoscopic cystocisternostomy or ventriculocystostomy. To the authors' knowledge there have been only two published reports on expanding Virchow\u2014Robin spaces that produced a compressive effect or consequent hydrocephalus and were directly fenestrated using neuroendoscopic techniques. Neuroendoscopy appears to offer an effective surgical option in the treatment of symptomatic Virchow\u2014Robin spaces.<\/jats:p>","DOI":"10.3171\/jns.2005.102.6.1142","type":"journal-article","created":{"date-parts":[[2009,5,13]],"date-time":"2009-05-13T18:04:03Z","timestamp":1242237843000},"page":"1142-1146","source":"Crossref","is-referenced-by-count":25,"title":["Enlarged perivascular spaces mimicking multicystic brain tumors"],"prefix":"10.3171","volume":"102","author":[{"given":"Jochen","family":"Rohlfs","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Riegel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Munzir","family":"Khalil","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joanna","family":"Iwinska-Zelder","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hans-Dieter","family":"Mennel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Helmut","family":"Bertalanffy","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dieter","family":"Hellwig","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"key":"b1","series-title":"J Neurosurg","first-page":"541","article-title":"Frameless navigation and endoscopy.","volume":"95","author":"Alberti","year":"2001"},{"key":"b2","series-title":"J Neurosurg","doi-asserted-by":"publisher","first-page":"723","DOI":"10.3171\/jns.2002.97.3.0723","article-title":"Increased perivascular spaces mimicking frontal lobe tumor.","volume":"97","author":"Davis","year":"2002"},{"key":"b3","series-title":"Neuropathol Appl Neurobiol","doi-asserted-by":"publisher","first-page":"309","DOI":"10.1111\/j.1365-2990.1987.tb00070.x","article-title":"Expanding cerebral lacunae in a hypertensive patient with normal pressure hydrocephalus.","volume":"13","author":"Derouesn\u00e9","year":"1987"},{"key":"b4","series-title":"Neurology","doi-asserted-by":"publisher","first-page":"1242","DOI":"10.1212\/WNL.56.9.1242","article-title":"Unusually prominent perivascular spaces.","volume":"56","author":"Eichhorn","year":"2001"},{"key":"b5","series-title":"AJR","doi-asserted-by":"publisher","first-page":"157","DOI":"10.2214\/ajr.156.1.1898553","article-title":"Focal high signal on MR scans of the midbrain caused by enlarged perivascular spaces: MR pathologic correlation.","volume":"156","author":"Elster","year":"1991"},{"key":"b6","series-title":"AJNR","first-page":"929","article-title":"Large Virchow-Robin spaces: MR-clinical correlation.","volume":"10","author":"Heier","year":"1989"},{"key":"b7","series-title":"Acta Neurochir Suppl","doi-asserted-by":"publisher","first-page":"59","DOI":"10.1007\/978-3-7091-9419-5_13","article-title":"Stereotactic endoscopic interventions in cystic brain lesions.","volume":"64","author":"Hellwig","year":"1995"},{"key":"b8","series-title":"Neurol Res","doi-asserted-by":"publisher","first-page":"67","DOI":"10.1080\/01616412.1999.11740895","article-title":"Application of new electrosurgical devices and probes in endoscopic neurosurgery.","volume":"21","author":"Hellwig","year":"1999"},{"key":"b9","series-title":"J Neurol Neurosurg Psychiatry","doi-asserted-by":"publisher","first-page":"200","DOI":"10.1136\/jnnp.61.2.200","article-title":"A special form of cerebral lacunae: expanding lacunae.","volume":"61","author":"Homeyer","year":"1996"},{"key":"b10","series-title":"J Neurol Neurosurg Psychiatry","doi-asserted-by":"publisher","first-page":"393","DOI":"10.1136\/jnnp.74.3.393-a","article-title":"Expanding cerebral cysts (lacunae): a treatable cause of progressive midbrain syndrome.","volume":"74","author":"Longatti","year":"2003"},{"key":"b11","series-title":"J Neurosurg","doi-asserted-by":"publisher","first-page":"669","DOI":"10.3171\/jns.1999.91.4.0669","article-title":"Expanding lacunae causing triventricular hydrocephalus. 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