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Subtorcular occipital encephaloceles. Anatomical considerations relevant to operative management.
J Neurosurg. 1989 Sep; 71(3):375-81.JN

Abstract

Three cases of occipital encephalocele, one with associated myelomeningocele, are presented. All received preoperative evaluation with magnetic resonance imaging. Such studies provide optimal demonstration of the cerebral and hindbrain anatomy to guide operative treatment and formulate prognosis. Review of available radiographic, operative, and pathological information suggests that most, if not all, occipital encephaloceles are associated with an anomaly of the hindbrain, and the usual anomaly is a rhombic roof encephalocele. In such cases, the site of cranial herniation is caudal to the torcula, regardless of the presence or absence of occipital lobe tissue within the sac. Experimental and clinical analysis suggests that occipital encephaloceles most likely arise from abnormalities in the development of the skull base.

Authors+Show Affiliations

Division of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston.No affiliation info availableNo affiliation info available

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

2769389

Citation

Chapman, P H., et al. "Subtorcular Occipital Encephaloceles. Anatomical Considerations Relevant to Operative Management." Journal of Neurosurgery, vol. 71, no. 3, 1989, pp. 375-81.
Chapman PH, Swearingen B, Caviness VS. Subtorcular occipital encephaloceles. Anatomical considerations relevant to operative management. J Neurosurg. 1989;71(3):375-81.
Chapman, P. H., Swearingen, B., & Caviness, V. S. (1989). Subtorcular occipital encephaloceles. Anatomical considerations relevant to operative management. Journal of Neurosurgery, 71(3), 375-81.
Chapman PH, Swearingen B, Caviness VS. Subtorcular Occipital Encephaloceles. Anatomical Considerations Relevant to Operative Management. J Neurosurg. 1989;71(3):375-81. PubMed PMID: 2769389.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Subtorcular occipital encephaloceles. Anatomical considerations relevant to operative management. AU - Chapman,P H, AU - Swearingen,B, AU - Caviness,V S, PY - 1989/9/1/pubmed PY - 1989/9/1/medline PY - 1989/9/1/entrez SP - 375 EP - 81 JF - Journal of neurosurgery JO - J. Neurosurg. VL - 71 IS - 3 N2 - Three cases of occipital encephalocele, one with associated myelomeningocele, are presented. All received preoperative evaluation with magnetic resonance imaging. Such studies provide optimal demonstration of the cerebral and hindbrain anatomy to guide operative treatment and formulate prognosis. Review of available radiographic, operative, and pathological information suggests that most, if not all, occipital encephaloceles are associated with an anomaly of the hindbrain, and the usual anomaly is a rhombic roof encephalocele. In such cases, the site of cranial herniation is caudal to the torcula, regardless of the presence or absence of occipital lobe tissue within the sac. Experimental and clinical analysis suggests that occipital encephaloceles most likely arise from abnormalities in the development of the skull base. SN - 0022-3085 UR - https://www.unboundmedicine.com/medline/citation/2769389/Subtorcular_occipital_encephaloceles__Anatomical_considerations_relevant_to_operative_management_ L2 - https://thejns.org/doi/10.3171/jns.1989.71.3.0375 DB - PRIME DP - Unbound Medicine ER -