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Atretic encephaloceles are found with rare occurrence in children and adults if diagnosed lately. If they contain fat and are linked to the tectal plate as in the reported case with a fatty tongue that follows the course the falx parietal sinus, they should be better classified as lipoencephalocele. Inclusion of fat tissue in and around the brain may be seen anteriorly as a part of the corpus callosum lipoma malformation or posteriorly like in this case. Embryologically, these lipoencephaloceles can be assimilated to the much more frequent myelolipomas found in the lumbar region which are the most frequent causes of tethered cord syndrome. The extra-cranial part of the lesion, can be removed to improve cosmetics. Intracranial approach is not recommended.
Benedict RILLIET
Geneva, Switzerland
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Şengöz, A., Kaya, M., Yildirim, C.H. et al. Atretic cephalocele in adults. Acta Neurochir 153, 2275–2277 (2011). https://doi.org/10.1007/s00701-011-1119-x
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DOI: https://doi.org/10.1007/s00701-011-1119-x