{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T05:04:56Z","timestamp":1768453496925,"version":"3.49.0"},"reference-count":14,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["PED"],"published-print":{"date-parts":[[2012,9]]},"abstract":"<jats:p>Hydatid cysts of the posterior fossa are extremely rare. Intracranial hydatid cysts are more common in children and occur more frequently in the supratentorial space. A 7-year-old boy was admitted to the emergency department because of intense headache, nausea, vomiting, and progressive drowsiness that developed within the period of a week. On radiological examination a round, 2.5 \u00d7 2.5-cm cystic lesion appeared in the ambient cistern and caused hydrocephalus as a result of extrinsic aqueductal stenosis. The cyst was successfully removed using the puncture, aspiration, irrigation, and resection technique via an infratentorial-supracerebellar approach with the patient in the sitting position.<\/jats:p>\n<jats:p>The authors here described an unusual case of a hydatid cyst in the left ambient cistern with hydrocephalus due to extrinsic aqueductal stenosis, which seems to be the first such case in the literature. Hydatid cyst may be considered in the differential diagnosis of arachnoid cysts of the quadrigeminal cistern to determine which surgical procedure to perform and to avoid unexpected complications.<\/jats:p>","DOI":"10.3171\/2012.6.peds11562","type":"journal-article","created":{"date-parts":[[2012,7,14]],"date-time":"2012-07-14T04:59:20Z","timestamp":1342241960000},"page":"186-188","source":"Crossref","is-referenced-by-count":10,"title":["Hydatid cyst of the ambient cistern radiologically mimicking an arachnoid cyst"],"prefix":"10.3171","volume":"10","author":[{"given":"Ahmet Metin","family":"\u015eanl\u0131","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Erhan","family":"T\u00fcrko\u011flu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hayri","family":"Kertmen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bora","family":"G\u00fcrer","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"key":"b1-peds11562","series-title":"J Neurosurg Pediatr","doi-asserted-by":"publisher","first-page":"489","DOI":"10.3171\/2010.8.PEDS08491","article-title":"Neuroendoscopic treatment of arachnoid cysts of the quadrigeminal cistern: a series of 14 cases. 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Study of 17 cases","volume":"42","author":"Kaya","year":"1975"},{"key":"b7-peds11562","series-title":"J Int Med Res","doi-asserted-by":"publisher","first-page":"198","DOI":"10.1177\/147323000803600125","article-title":"Giant hydatid cyst in the posterior fossa of a child: a case report","volume":"36","author":"Kayaoglu","year":"2008"},{"key":"b8-peds11562","series-title":"Neurosurgery","doi-asserted-by":"publisher","first-page":"515","DOI":"10.1227\/00006123-199110000-00005","article-title":"Cerebral hydatidosis in childhood: a retrospective survey with emphasis on long-term follow-up","volume":"29","author":"Lunardi","year":"1991"},{"key":"b9-peds11562","series-title":"Pediatr Neurosurg","doi-asserted-by":"publisher","first-page":"72","DOI":"10.1159\/000050394","article-title":"Long-term follow-up and results of thirty pediatric intracranial hydatid cysts: half a century of experience in the Department of Neurosurgery of the School of Medicine at the University of Istanbul (1952\u20132001)","volume":"35","author":"Onal","year":"2001"},{"key":"b10-peds11562","series-title":"Neurosurgery","first-page":"787","article-title":"Hydatid cyst of the fourth ventricle","volume":"14","author":"Rahimizadeh","year":"1984"},{"key":"b11-peds11562","series-title":"Neurosurgery","first-page":"1014","article-title":"Hydatid cysts of the posterior fossa","volume":"17","author":"Schijman","year":"1985"},{"key":"b12-peds11562","series-title":"Childs Nerv Syst","doi-asserted-by":"publisher","first-page":"670","DOI":"10.1007\/s00381-002-0667-z","article-title":"Hydatidosis of central nervous system and its coverings in the pediatric and adolescent age groups in Turkey during the last century: a critical review of 137 cases","volume":"18","author":"Turgut","year":"2002"},{"key":"b13-peds11562","series-title":"Neurosurg Rev","doi-asserted-by":"publisher","first-page":"200","DOI":"10.1007\/s101430100168","article-title":"Intracranial hydatidosis in Turkey: its clinical presentation, diagnostic studies, surgical management, and outcome. 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