Journal Information
Vol. 3. Issue 4.
Pages 317-321 (January 1992)
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Vol. 3. Issue 4.
Pages 317-321 (January 1992)
Extraventricular choroid cysts
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J. Vaquero, S. Coca, J.C. Gómez-Angulo, C. Piqueras, M.V. Huertas, S. Ramón y Cajal
Departments of Neurosurgery and Pathology. Puerta de Hierro Clínic, Autonomous University, and Department of Pathology, Air Force Hospital, Madrid, Spain
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Summary

Intraparenchymatous cerebral cysts covered by choroid epithelium are extremely uncommon malformative lesions. We present three cases of extraventricular choroid cysts which became symptomatic in patients at 38, 60 and 65 years of age. The identification, at least in two of these cases, of venous structures fIoating inside the cystic cavity suggests a mechanism of secretion and reabsortion of CSF, the alteration of which could lead to the growth of the cyst. At present, immunohistochemical study of epithelium that covers the socalled neuroepithelial cysts of the brain can achieve a better knowledge of these malformative lesions and to help in the selection of the best therapeutic approach for each case.

Key words:
Choroid cysts
Neuroepithelial cysts
Ependymal cysts
Cerebrospinal fluid
Resumen

Los quistes coroideos intracerebrales representan lesiones malformativas extraordinariamente infrecuentes. En el presente trabajo se presentan tres casos de quistes coroideos extraventriculares que se hicieron sintomáticos a las edades de 38, 60 Y 65 años. La identificación, al menos en dos de los casos, de estructuras venosas fIotando en la cavidad quística, sugiere la existencia de un mecanismo de formación y reabsorción de LCR, cuya alteración podría dar lugar al crecimiento del quiste. En el momento actual, el estudio inmunohistoquímico del epitelio que recubre los llamados quistes neuroepiteliales cerebrales, puede llevar a un mejor conocimiento de estas lesiones malformativas y contribuir a la selección del tratamiento más adecuado para cada uno de los casos.

Palabras clave:
Quistes coroideos
Quistes neuroepiteliales
Quistes ependimarios
Líquido cefalorraquídeo

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