Spontaneous disappearance of a middle fossa arachnoid cyst associated with subdural hematoma

Inoue, Tatsuo; Matsushima, Toshio; Tashima, S.; Fukui, Masashi; Kanehiro, Hiromichi

doi:10.1016/0090-3019(87)90228-x

Cited by 64 publications

(18 citation statements)

References 17 publications

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“…2 These cases must be differentiated from traumatic subdural hematomas in patients with unruptured, incidental arachnoid cysts. 9 A review of data reported in the literature supports our hypothesis that middle fossa cysts are more likely to result in symptomatic rupture, whereas those rupturing in other locations tend to be asymptomatic (Tables 1 and 2). We hypothesize that more arachnoid is exposed to potential tearing motions along the lateral dural surface in middle fossa lesions than that exposed in cysts associated with deep cerebral cisterns.…”

Section: Discussionsupporting

confidence: 65%

Arachnoid cysts: spontaneous resolution distinct from traumatic rupture

Bristol¹,

Albuquerque²,

McDougall³

et al. 2007

FOC

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✓Although many arachnoid cysts are discovered incidentally and require no intervention, a small subset has been known to rupture. Note that rupture can occur either spontaneously or in association with trauma. Based on a review of the literature on ruptured arachnoid cysts, it appears that patients with middle fossa cysts are more likely to experience symptomatic traumatic rupture than those with cysts in other locations. Middle fossa cysts are more commonly associated with hemispheric subdural collections and hematomas than are any other cysts. The authors report on two representative cases illustrating the distinct presentation, imaging characteristics, and management of these cysts.

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Section: Discussionsupporting

confidence: 65%

Arachnoid cysts: spontaneous resolution distinct from traumatic rupture

Bristol¹,

Albuquerque²,

McDougall³

et al. 2007

FOC

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“…5,35,82 Furthermore, in a recent review of all reported cases of documented "spontaneous" arachnoid cyst resolution, Thomas et al found that 6 of 19 cases had a recent history of head injury, suggesting that an unrecognized tear in the cyst lining may explain at least some of these cases. 67,74 Spontaneous cyst resolution has also been documented in patients with no history of trauma or subdural hygroma, 35,51,62,80,82 although it is difficult to exclude minor trauma in this group of children. We may also speculate that rupture not only of the outer cyst lining in the subdural space, but also of the inner lining adjacent to the basal cisterns, may be especially likely to lead to cyst resolution.…”

Section: Discussionmentioning

confidence: 99%

“…1,2,48,60,73 There are reports of cysts arising de novo, 57,63,71 as well as cysts becoming larger or smaller over time, 50,65,67 and even spontaneously resolving. 19,35,67,74,80,82 We recently reported on the natural history of these lesions in children 2 and adults 1 and found a generally benign natural history.…”

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confidence: 99%

Management of subdural hygromas associated with arachnoid cysts

Maher¹,

Garton²,

Al-Holou³

et al. 2013

PED

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Object Arachnoid cysts may occasionally be associated with subdural hygromas. The management of these concurrent findings is controversial. Methods The authors reviewed their experience with arachnoid cysts and identified 8 patients with intracranial arachnoid cysts and an associated subdural hygroma. The medical records and images for these patients were also examined. Results In total, 8 patients presented with concurrent subdural hygroma and arachnoid cyst. Of these 8 patients, 6 presented with headaches and 4 had nausea and vomiting. Six patients had a history of trauma. One patient was treated surgically at the time of initial presentation, and 7 patients were managed without surgery. All patients experienced complete resolution of their presenting signs and symptoms. Conclusions Subdural hygroma may lead to symptomatic presentation for otherwise asymptomatic arachnoid cysts. The natural course of cyst-associated subdural hygromas, even when symptomatic, is generally benign, and symptom resolution can be expected in most cases. The authors suggest that symptomatic hygroma is not an absolute indication for surgical treatment and that expectant management can result in good outcomes in many cases.

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“…Ocho de los casos publicados estaban situados en la región silviana 2,9,11,[13][14][15][16]18 donde en general, asientan el 50% de todos los QA; dos se localizaban en otros puntos de la convexidad 11,17 y otros dos estaban alojados en la fosa craneal posterior 4,12 . El proceso de resolución de los quistes fue gradual en 8 casos y en un período de tiempo que osciló entre 6 meses y 10 años 2,4,9,11,[13][14][15]18 , aunque en ocasiones no existen estudios de imagen intermedios entre el diagnóstico y su resolución 10,12,16,17 .…”

Section: Tabla 1 Casos Previos De Resolución Espontánea De Quistes Arunclassified

“…El proceso de resolución de los quistes fue gradual en 8 casos y en un período de tiempo que osciló entre 6 meses y 10 años 2,4,9,11,[13][14][15]18 , aunque en ocasiones no existen estudios de imagen intermedios entre el diagnóstico y su resolución 10,12,16,17 .…”

Section: Tabla 1 Casos Previos De Resolución Espontánea De Quistes Arunclassified

Resolución espontánea de quiste aracnoideo intracraneal asintomático

2008

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Recibido:361 Neurocirugía 2008; 19: Resumen Los quistes aracnoideos son lesiones benignas, de origen congénito y de localización extraparenquimatosa, que con frecuencia se diagnostican de forma incidental en niños y adultos. Su etiología e historia natural no están perfectamente establecidas en la actualidad. La introducción de la tomografía computarizada y resonancia magnética han condicionado un incremento en el número de casos diagnosticados, muchos de ellos de forma incidental. En la literatura existen algunas referencias sobre la desaparición espontánea de quistes aracnoideos intracraneales.Presentamos el caso clínico de un quiste aracnoideo silviano que se redujo progresivamente hasta su resolución a lo largo de un período de 13 años. Revisamos los casos publicados previamente y analizamos los posibles mecanismos causante de su resolución espontánea.PALABRAS CLAVE: Fosa craneal media. Quiste aracnoideo. Resonancia magnética. Resolución espontánea. Spontaneous resolution of an asymptomatic intracranial arachnoid cyst SummaryArachnoid cysts are commonly considered to be benign, congenial, extraparenchymatous anomalies. Small cyst are common incidental findings in children and adults. The aetiology and natural history of arachnoid cysts are not fully understood. In most cases, the presence of the cysts is detected on CT-scans or MRI performed for other reasons. In the literature, there have been few documented cases of arachnoid cysts with spontaneous regression. We reports the case of a silvian arachnoid cyst, which disappeared spontaneously during the 13-year-follow-up period. We review the cases previously reported and the mechanisms underlying the resolution of the arachnoid cysts are discussed.

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Spontaneous disappearance of a middle fossa arachnoid cyst associated with subdural hematoma

Cited by 64 publications

References 17 publications

Arachnoid cysts: spontaneous resolution distinct from traumatic rupture

Arachnoid cysts: spontaneous resolution distinct from traumatic rupture

Management of subdural hygromas associated with arachnoid cysts

Resolución espontánea de quiste aracnoideo intracraneal asintomático

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