Development of a middle fossa arachnoid cyst : A theory on its pathogenesis
The progression of congenital arachnoid cysts has seldom been documented. We report the case of a child who was diagnosed with arrested hydrocephalus at the age of 13 months. Neuroimaging studies performed when the girl was 22 months old showed the appearance of an arachnoid cyst in the right middle...
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| Veröffentlicht in: | Child's nervous system 1999-03, Vol.15 (2-3), p.94-97 |
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| container_title | Child's nervous system |
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| creator | MARTINEZ-LAGE, J. F RUIZ-MACIA, D VALENTI, J. A POZA, M |
| description | The progression of congenital arachnoid cysts has seldom been documented. We report the case of a child who was diagnosed with arrested hydrocephalus at the age of 13 months. Neuroimaging studies performed when the girl was 22 months old showed the appearance of an arachnoid cyst in the right middle fossa, while the previously enlarged ventricles seemed to have decreased in size. To the best of our knowledge, the paradoxical expansion of an arachnoid pouch following a reduction in the size of the ventricular system has not previously been documented. We advance the hypothesis that the development of some cases of arachnoid cyst might be pathogenically related to impaired CSF dynamics associated with pre-existing hydrocephalus. We also briefly review the pertinent literature on the formation and evolution of congenital cerebral arachnoid cysts. |
| doi_str_mv | 10.1007/s003810050340 |
| format | Article |
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We also briefly review the pertinent literature on the formation and evolution of congenital cerebral arachnoid cysts.</description><identifier>ISSN: 0256-7040</identifier><identifier>EISSN: 1433-0350</identifier><identifier>DOI: 10.1007/s003810050340</identifier><identifier>PMID: 10230664</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Arachnoid Cysts - diagnosis ; Arachnoid Cysts - etiology ; Arachnoid Cysts - surgery ; Biological and medical sciences ; Cerebrospinal Fluid Pressure - physiology ; Cerebrospinal Fluid Shunts - methods ; Child ; Child, Preschool ; Female ; Follow-Up Studies ; Humans ; Hydrocephalus - complications ; Hydrocephalus - therapy ; Infant ; Magnetic Resonance Imaging ; Medical sciences ; Neurology ; Peritoneum ; Recurrence ; Reoperation ; Technetium Tc 99m Exametazime ; Temporal Lobe - diagnostic imaging ; Temporal Lobe - surgery ; Tomography, Emission-Computed, Single-Photon ; Tomography, X-Ray Computed ; Treatment Outcome ; Tumors of the nervous system. 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We also briefly review the pertinent literature on the formation and evolution of congenital cerebral arachnoid cysts.</description><subject>Arachnoid Cysts - diagnosis</subject><subject>Arachnoid Cysts - etiology</subject><subject>Arachnoid Cysts - surgery</subject><subject>Biological and medical sciences</subject><subject>Cerebrospinal Fluid Pressure - physiology</subject><subject>Cerebrospinal Fluid Shunts - methods</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>Humans</subject><subject>Hydrocephalus - complications</subject><subject>Hydrocephalus - therapy</subject><subject>Infant</subject><subject>Magnetic Resonance Imaging</subject><subject>Medical sciences</subject><subject>Neurology</subject><subject>Peritoneum</subject><subject>Recurrence</subject><subject>Reoperation</subject><subject>Technetium Tc 99m Exametazime</subject><subject>Temporal Lobe - diagnostic imaging</subject><subject>Temporal Lobe - surgery</subject><subject>Tomography, Emission-Computed, Single-Photon</subject><subject>Tomography, X-Ray Computed</subject><subject>Treatment Outcome</subject><subject>Tumors of the nervous system. 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| subjects | Arachnoid Cysts - diagnosis Arachnoid Cysts - etiology Arachnoid Cysts - surgery Biological and medical sciences Cerebrospinal Fluid Pressure - physiology Cerebrospinal Fluid Shunts - methods Child Child, Preschool Female Follow-Up Studies Humans Hydrocephalus - complications Hydrocephalus - therapy Infant Magnetic Resonance Imaging Medical sciences Neurology Peritoneum Recurrence Reoperation Technetium Tc 99m Exametazime Temporal Lobe - diagnostic imaging Temporal Lobe - surgery Tomography, Emission-Computed, Single-Photon Tomography, X-Ray Computed Treatment Outcome Tumors of the nervous system. Phacomatoses Wechsler Scales |
| title | Development of a middle fossa arachnoid cyst : A theory on its pathogenesis |
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