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Occipital encephalocele: a pathologic and anatomic analysis.
Acta Neuropathol. 1975 Aug 27; 32(3):245-55.AN

Abstract

The brain from an infant with a cystic occipital mass present at birth is examined in serial section. The occipital mass proved to be a rhombic roof ventriculocele. Within the posterior fossa, it was bound to an occipital lobe encephalocele which issued as a diverticulum of the left lateral ventricle through a microgyric cortical defect in the territory of the left posterior cerebral artery. The posterior medial aspects of both cerebral hemispheres were herniated downward into the widened tentorial gap. Craniolacunae were prominent on the inner aspect of the skull. The aqueduct and central canal of the spinal cord were widely dilated, although the lateral ventricles were collapsed. It is suggested that hydrocephalus secondary to obstruction to flow of CSF through the rhombic roof entrained a sequence of events giving rise to the rhombic roof ventriculocele and causing occlusion of the posterior cerebral artery and subsequent diverticulation of the lateral ventricle through an infarcted region of the posterior-medial hemisphere.

Authors

No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, Non-P.H.S.
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

1180005

Citation

Caviness, V S., and P Evarard. "Occipital Encephalocele: a Pathologic and Anatomic Analysis." Acta Neuropathologica, vol. 32, no. 3, 1975, pp. 245-55.
Caviness VS, Evarard P. Occipital encephalocele: a pathologic and anatomic analysis. Acta Neuropathol. 1975;32(3):245-55.
Caviness, V. S., & Evarard, P. (1975). Occipital encephalocele: a pathologic and anatomic analysis. Acta Neuropathologica, 32(3), 245-55.
Caviness VS, Evarard P. Occipital Encephalocele: a Pathologic and Anatomic Analysis. Acta Neuropathol. 1975 Aug 27;32(3):245-55. PubMed PMID: 1180005.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Occipital encephalocele: a pathologic and anatomic analysis. AU - Caviness,V S,Jr AU - Evarard,P, PY - 1975/9/6/pubmed PY - 2001/3/28/medline PY - 1975/9/6/entrez SP - 245 EP - 55 JF - Acta neuropathologica JO - Acta Neuropathol. VL - 32 IS - 3 N2 - The brain from an infant with a cystic occipital mass present at birth is examined in serial section. The occipital mass proved to be a rhombic roof ventriculocele. Within the posterior fossa, it was bound to an occipital lobe encephalocele which issued as a diverticulum of the left lateral ventricle through a microgyric cortical defect in the territory of the left posterior cerebral artery. The posterior medial aspects of both cerebral hemispheres were herniated downward into the widened tentorial gap. Craniolacunae were prominent on the inner aspect of the skull. The aqueduct and central canal of the spinal cord were widely dilated, although the lateral ventricles were collapsed. It is suggested that hydrocephalus secondary to obstruction to flow of CSF through the rhombic roof entrained a sequence of events giving rise to the rhombic roof ventriculocele and causing occlusion of the posterior cerebral artery and subsequent diverticulation of the lateral ventricle through an infarcted region of the posterior-medial hemisphere. SN - 0001-6322 UR - https://www.unboundmedicine.com/medline/citation/1180005/Occipital_encephalocele:_a_pathologic_and_anatomic_analysis_ L2 - http://www.diseaseinfosearch.org/result/2518 DB - PRIME DP - Unbound Medicine ER -