Postnatal Posterior Fossa Arachnoid Cyst: A Developmental Etiology to Be Considered

Abstract: Intracranial arachnoid cyst is the most common cystic congenital anomaly in the brain. In this study, we discuss a pregnancy that had serial fetal ultrasound scans throughout the pregnancy and a fetal anomaly scan at 24 weeks of gestation that was normal. The child was born healthy with normal development, but 12 months onward the head began to enlarge. The magnetic resonance imaging of the brain showed a large posterior fossa arachnoid cyst with hydrocephalus. We discuss the postulation to explain this pathogenesis of the cyst. This case highlights that not all symptomatic arachnoid cysts are congenital despite the manifestation being as early as infancy.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Postnatal Posterior Fossa Arachnoid Cyst: A Developmental Etiology to Be Considered ; volume:17 ; number:04 ; year:2022 ; pages:676-679
Asian journal of neurosurgery ; 17, Heft 04 (2022), 676-679

Contributor
Ramachandran, Thiynesvaran
Valayatham, Vijayan
Ganesan, Dharmendra

DOI
10.1055/s-0042-1757223
URN
urn:nbn:de:101:1-2023020910055172812720
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
14.08.2025, 10:54 AM CEST

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Associated

  • Ramachandran, Thiynesvaran
  • Valayatham, Vijayan
  • Ganesan, Dharmendra

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