Congenital Cysts of the Brain: Arachnoid Malformations

Robinson, R. G.

doi:10.1159/000391818

Cited by 201 publications

(89 citation statements)

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“…Many institutions, such as ours, have favored initial cyst fenestration, usually into the basal cisterns. 4,7,8,11,13,14,16,21,23,25,28 Other centers have advocated the placement of CP shunts as a primary treatment for these cysts. 3,27 The clinical presentation of patients with arachnoid cysts, especially during the first few years of life, may offer considerable insight into the relationship between these lesions and underlying aberrancies in CSF flow.…”

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confidence: 99%

Pathogenesis and treatment of intracranial arachnoid cysts in pediatric patients younger than 2 years of age

Zada

Krieger²,

McNatt³

et al. 2007

FOC

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Object Arachnoid cysts can cause a variety of clinical signs and symptoms in infants. The authors sought to determine whether the clinical presentation of pediatric patients younger than 2 years old and harboring arachnoid cysts influenced the type of intervention that would be required. Methods A retrospective chart review was conducted for all patients younger than 2 years of age who had undergone craniotomy for fenestration of an arachnoid cyst at the Childrens Hospital Los Angeles between 1995 and 2006. Forty-two patients were included in the study. The mean age was 10.4 months. The median follow-up time was 33 months. Clinical presentations were as follows: macrocephaly without ventriculomegaly (21 patients, 50%), hydrocephalus (six patients, 14%), and other symptoms (15 patients, 36%). After fenestration of the arachnoid cyst, 12 of 21 patients (57%) presenting with nonspecific macrocephaly required placement of a cystoperitoneal or ventriculoperitoneal shunt, compared with 1 of 15 patients (7%) presenting with other symptoms (p value = 0.0039). Five of six patients with hydrocephalus (83%) were shunt dependent following fenestration. Overall, 18 of 42 patients (43%) were shunt dependent after fenestration. Ten of these patients (55%) required revisions during the follow-up period. Conclusions Patients younger than 2 years of age and harboring an arachnoid cyst commonly present with macrocephaly. These patients are more likely to require shunts than are those presenting with other findings, such as seizu

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confidence: 99%

Pathogenesis and treatment of intracranial arachnoid cysts in pediatric patients younger than 2 years of age

Zada

Krieger²,

McNatt³

et al. 2007

FOC

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“…6,7,22,29 Patients with arachnoid cysts may also present with hemorrhagic events, especially following head trauma. 1,19,20,23 Younger patients (Ͻ 2 years of age) are more likely to present with nonspecific macrocephaly than other symptoms or signs. 7,15,17 In the current study, one half of all patients presented with macrocephaly without underlying ventriculomegaly.…”

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confidence: 99%

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2007

Neurosurgical FOCUS

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“…They are thought to arise primarily from congenital splitting of arachnoid membranes during development or secondarily due to trauma or inflammation. 2,3,15 However, the precise etiology of these cysts remains to be elucidated. Intraparenchymal hemorrhage has been reported as a very rare complication of open fenestration of an arachnoid cyst in the literature.…”

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Hemorrhagic infarction following open fenestration of a large intracranial arachnoid cyst in a pediatric patient

Auschwitz

DeCuypere

Khan

et al. 2015

PED

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Intracranial arachnoid cysts are a rare condition thought to be congenital in nature. Treatment of intracranial arachnoid cysts remains controversial based on their variable presentation. Treatment options include CSF shunting, endoscopic fenestration, or craniotomy and open fenestration for larger cysts. The complications of these procedures can include hydrocephalus, subdural hematomas, hygromas, and—more rarely—intraparenchymal hemorrhage. The authors found very few reports of hemorrhagic infarction as a complication of arachnoid cyst fenestration in the literature. The authors report a case of an 18-year-old female patient who suffered an ipsilateral hemorrhagic infarction after craniotomy for open fenestration of an arachnoid cyst.

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Congenital Cysts of the Brain: Arachnoid Malformations

Cited by 201 publications

References 0 publications

Pathogenesis and treatment of intracranial arachnoid cysts in pediatric patients younger than 2 years of age

Pathogenesis and treatment of intracranial arachnoid cysts in pediatric patients younger than 2 years of age

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Hemorrhagic infarction following open fenestration of a large intracranial arachnoid cyst in a pediatric patient

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