{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,1]],"date-time":"2025-11-01T05:31:31Z","timestamp":1761975091446},"reference-count":19,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2000,3]]},"abstract":"<jats:p content-type=\"fine-print\">\u2713 The authors report on a series of patients who underwent lumbar drainage of cerebrospinal fluid (CSF) for treatment of posterior fossa pseudomeningoceles and who subsequently developed an acute posterior fossa syndrome. These patients were found to have similar radiological findings demonstrating acute mass effect secondary to movement of CSF from the pseudomeningocele into the cerebellar parenchyma. Discontinuation of lumbar drainage resulted in symptomatic and radiological improvement in all patients. From these cases the authors infer that not all pseudomeningoceles communicate directly with the subarachnoid space. A readily recognizable appearance on magnetic resonance imaging that is useful in diagnosing this reversible complication of treatment for posterior fossa pseudomeningocele is also illustrated.<\/jats:p>","DOI":"10.3171\/jns.2000.92.3.0469","type":"journal-article","created":{"date-parts":[[2009,5,13]],"date-time":"2009-05-13T17:32:51Z","timestamp":1242235971000},"page":"469-474","source":"Crossref","is-referenced-by-count":26,"title":["Acute posterior fossa syndrome following lumbar drainage for treatment of suboccipital pseudomeningocele"],"prefix":"10.3171","volume":"92","author":[{"given":"Geoffrey T.","family":"Manley","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William","family":"Dillon","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"key":"b1","series-title":"J Neurosurg","doi-asserted-by":"publisher","first-page":"44","DOI":"10.3171\/jns.1974.41.1.0044","article-title":"Aseptic meningitis following posterior fossa surgery in children.","volume":"41","author":"Carmel","year":"1974"},{"key":"b2","series-title":"J Neurosurg","doi-asserted-by":"publisher","first-page":"568","DOI":"10.3171\/jns.1993.78.4.0568","article-title":"Tonsillar herniation: the rule rather than the exception after lumoperitoneal shunting in the pediatric populaton.","volume":"78","author":"Chumas","year":"1993"},{"key":"b3","series-title":"Pediatr Neurosurg","doi-asserted-by":"publisher","first-page":"19","DOI":"10.1159\/000120761","article-title":"The surgical and natural morbidity of aggressive resection for posterior fossa tumors in childhood.","volume":"20","author":"Cochrane","year":"1994"},{"key":"b4","series-title":"Neurosurgery","doi-asserted-by":"publisher","first-page":"402","DOI":"10.1227\/00006123-199403000-00003","article-title":"An analysis of factors determining the need for ventriculoperitoneal shunts after posterior fossa tumor surgery in children.","volume":"34","author":"Culley","year":"1994"},{"key":"b5","series-title":"Surg Gynecol Obstet","first-page":"129","article-title":"Experiences with cerebellar astrocytomas. 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